US Pat. No. 9,414,472

FILAMENT MISWIRE PROTECTION IN AN ELECTRONIC DIMMING BALLAST

LUTRON ELECTRONICS CO., I...

1. An electronic ballast for driving a plurality of gas discharge lamps, each gas discharge lamp having a respective filament,
the electronic ballast comprising:
a filament winding magnetically coupled to an inductor and operable to supply an AC filament voltage to each of the filaments;
a filament miswire protection element coupled to the filament winding and connectable to the filaments such that the same
AC filament voltage is established across a first of the filaments regardless of whether the filaments are wired in series
or in parallel.

US Pat. No. 9,392,675

DIGITAL LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION VIA EXISTING POWER WIRING

Lutron Electronics Co., I...

1. A load control system comprising:
a power device adapted to receive power from an AC power source via a power wiring; and
a controller adapted to be coupled in series electrical connection on the power wiring between the AC power source and the
power device, the controller operable to produce a phase-control voltage that is adapted to be received by the power device,
the controller comprising a controllably conductive device adapted to be coupled in series electrical connection between the
AC power source and the power device for generating the phase-control voltage, and the controller operable to transmit a forward
digital message to the power device by encoding digital information in timing edges of the phase-control voltage;

wherein the power device is operable to transmit a reverse digital message to the controller via the power wiring by adjusting
a magnitude of a controller voltage generated across the controller prior to when the controller renders the controllably
conductive device conductive during half-cycles of the AC power source;

wherein the controller is operable to render the controllably conductive device conductive to generate a timing edge at a
predetermined reference edge time during a first half cycle of a data pattern of the reverse digital message; and

wherein the power device is operable to determine a beginning of a window time period that exists during a second half-cycle
of the data pattern after a zero-crossing of the second half-cycle, wherein a beginning of the window time period is approximately
one half-cycle duration after the predetermined referenced edge time, the power device operable to adjust the magnitude of
the controller voltage during the window time period to transmit a bit of the reverse digital message.

US Pat. No. 9,155,172

LOAD CONTROL DEVICE HAVING AN ELECTRICALLY ISOLATED ANTENNA

LUTRON ELECTRONICS CO., I...

1. A load control device operable to control the amount of power delivered to a load from an AC power source, the load control
device comprising:
a printed circuit board comprising a first layer comprising a first trace and a second layer comprising a second trace, the
first and second traces being positioned parallel to one another;

an enclosure containing the printed circuit board;
a communication circuit electrically coupled to the first trace; and
a wire monopole antenna electrically coupled to the second trace, the wire monopole antenna being adjustable into one or more
positions, a first position of the one or more positions including the wire monopole antenna extending freely from the enclosure,
the first position increasing a range of reception of the wire monopole antenna relative to the wire monopole antenna not
extending freely from the enclosure;

wherein the first trace is oriented to form a capacitive coupling with respect to the second trace, such that the antenna
is capacitively coupled to the communication circuit.

US Pat. No. 9,148,932

DIMMER SWITCH HAVING AN ALTERNATE FADE RATE WHEN USING IN CONJUNCTION WITH A THREE-WAY SWITCH

LUTRON ELECTRONICS CO., I...

1. A dimmer switch for controlling an amount of power delivered from an alternating current (AC) power source to a lighting
load, the dimmer switch adapted to be coupled to a standard three-way switch that is coupled to one of the source and the
load, the dimmer switch comprising:
a controllably conductive device adapted to be coupled in series electrical connection between the source and the load, the
controllably conductive device having a control input;

an actuator operable to receive a user input via an actuation of the actuator;
a controller operatively coupled to the actuator and the control input of the controllably conductive device for controlling
the power delivered to the lighting load, wherein the controller is operable to turn off the lighting load at a first turn-off
rate in response to the user input via the actuation of the actuator; and

an external-control terminal adapted to receive an external control signal from the three-way switch, the controller operatively
coupled to the external-control terminal for receipt of the external control signal, wherein the controller is operable to
turn off the lighting load in response to the external control signal at a second turn-off rate that is faster than the first
turn-off rate.

US Pat. No. 9,143,051

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first
and second main terminals through which a load current is conducted to energize the electrical load and a gate terminal through
which a gate current is conducted to render the thyristor conductive;

a gate coupling circuit electrically coupled to conduct the gate current through the gate terminal of the thyristor;
a control circuit electrically coupled to control the gate coupling circuit, the control circuit configured to determine a
zero-crossing time of a present half-cycle of the AC power source in response to a voltage developed across the thyristor;
and

a power supply electrically coupled to conduct a charging current through the electrical load to generate a supply voltage;
wherein the control circuit is configured to control the gate coupling circuit to be conductive to conduct the gate current
through the gate terminal of the thyristor to render the thyristor conductive after a first, variable amount of time has elapsed
since the zero-crossing time of the present half-cycle, the control circuit configured to maintain the thyristor conductive
independent of the magnitude of the load current conducted through the thyristor during the present half-cycle, the control
circuit further configured to prevent the gate coupling circuit from conducting the gate current through the gate terminal
of the thyristor after a second, fixed amount of time has elapsed since the zero-crossing time of the present half-cycle to
allow the thyristor to become non-conductive, the second, fixed amount of time being less than a length of the present half-cycle,
the control circuit configured to vary the first, variable amount of time in accordance with a determinate amount of power
to be delivered to the electrical load in order to cause the amount of power delivered to the electrical load to be the determinate
amount.

US Pat. No. 9,157,898

ULTRASONIC RECEIVING CIRCUIT

LUTRON ELECTRONICS CO., I...

1. An ultrasonic occupancy sensor for detecting presence or absence of an occupant in a space, the occupancy sensor comprising:
an ultrasonic transmitting circuit comprising an ultrasonic transmitting element for transmitting ultrasonic waves;
an ultrasonic receiving circuit comprising an ultrasonic receiving element for receiving ultrasonic waves and generating an
ultrasonic input signal, a synchronous rectifier for generating a rectified signal from the input signal, and a filter circuit
for filtering the rectified signal to generate a filtered signal, the synchronous rectifier comprising at least one amplifier
circuit and at least one analog switch coupled to an output of the amplifier circuit for forming the rectified signal; and

a controller operable to drive the ultrasonic transmitting circuit with a drive signal to control an ultrasonic transmission
frequency of the transmitted ultrasonic waves, the controller operable to render the analog switch conductive and non-conductive
in phase with the drive signal to form the rectified signal, the controller further operable to receive the filtered signal
and to determine that the space is occupied in response to the filtered signal.

US Pat. No. 9,155,162

TWO-WIRE DIMMER WITH IMPROVED ZERO-CROSS DETECTION

LUTRON ELECTRONICS CO., I...

1. A lighting control device comprising:
a controllably conductive device configured to supply an AC line voltage to a load in response to a control signal, wherein
the controllably conductive device is non-conductive for a first duration of time and is conductive for a second duration
of time, wherein the first duration of time and the second duration of time are within the same half-cycle of the AC line
voltage;

a signal generation circuit configured to generate a fill signal;
a combiner circuit for combining a signal from the controllably conductive device during the first duration of time and the
fill signal during the second duration of time; and

a filter circuit configured to receive the combined signal from the combiner circuit, wherein the signal generation circuit
is configured to shape the fill signal such that delay associated with filtering the signal from the controllably conductive
device during the first duration of time and the fill signal during the second duration of time is consistent with delay associated
with filtering the AC line voltage.

US Pat. No. 9,572,229

WIRELESS SENSOR HAVING A CONTROLLABLE PHOTOSENSITIVE CIRCUIT

Lutron Electronics Co., I...

1. A wireless sensor for measuring a light intensity, the sensor comprising:
a photosensitive circuit configured to generate a light intensity control signal in response to the light intensity;
a wireless transmitter configured to transmit wireless signals;
a controller coupled to the photosensitive circuit and the wireless transmitter, the controller configured to transmit a wireless
signal in response to the light intensity control signal; and

a battery for powering the photosensitive circuit, the wireless transmitter, and the controller;
wherein the controller is configured to disable the photosensitive circuit so that the photosensitive circuit does not draw
current from the battery.

US Pat. No. 9,169,690

WINDOW TREATMENT HAVING BACKLIGHTING

LUTRON ELECTRONICS CO., I...

1. A window treatment system configured to selectively cover a window that separates an exterior space from an interior space,
the window treatment system comprising:
a headrail that is elongate along a first direction and is configured to be coupled to a structure adjacent the window within
the interior space;

a covering material having a top end and a bottom end that is spaced from the top end along a second direction that is perpendicular
to the first direction, the top end of the covering material being operatively attached to the headrail such that the covering
material is movable along the second direction between a raised position and a lowered position, the covering material further
having a first side and a second side that is opposite the first side and faces the window when the headrail is coupled to
the structure;

a light source that is configured to illuminate at least a portion of the second side of the covering material;
a light sensor that is configured to detect an ambient light level on the second side of the covering material; and
a control circuit that is operatively coupled to the light sensor and the light source, the control circuit configured to,
when an ambient light level on the first side of the covering material exceeds the detected ambient light level on the second
side of the covering material such that visualization through the covering material from the exterior space into the interior
space is permitted, cause the light source to illuminate the at least a portion of the second side of the covering material
so as to impede visualization through the covering material from the exterior space into the interior space.

US Pat. No. 9,148,937

RADIO-FREQUENCY LIGHTING CONTROL SYSTEM WITH OCCUPANCY SENSING

LUTRON ELECTRONICS CO., I...

11. A load control system for controlling the amount of power delivered from an AC power source to a lighting load provided
in a space, the load control system comprising:
a load control device adapted to be coupled in series electrical connection between the AC power source and the lighting load
for controlling the amount of power delivered to the lighting load to control the intensity of the lighting load, the load
control device operable to receive wireless control signals and to control the intensity of the lighting load in response
to the wireless control signals; and

an occupancy sensor operable to detect an occupancy condition in the space and to transmit a first wireless control signal
to the load control device in response to detecting the occupancy condition, the load control device operable to adjust the
intensity of the lighting load to a first intensity in response to the first wireless control signal, the occupancy sensor
further operable to transmit a second wireless control signal to the load control device in response to detecting a continued
occupancy condition in the space;

wherein the load control device adjusts the intensity of the lighting load to a second intensity less than the first intensity
in response to determining that no wireless control signals have been received from the occupancy sensor for the length of
a predetermined timeout period; and

the occupancy sensor further comprising an occupancy timer, on the expiration of the occupancy timer, the occupancy sensor
transmitting a vacant wireless control signal to the load control device, the load control device storing an occupancy/vacancy
status of the occupancy sensor in a memory location of a memory of the load control device.

US Pat. No. 9,105,164

REMOTE CONTROL HAVING INDICIA AND A LOCATOR BUMP

LUTRON ELECTRONICS CO., I...

1. A remote control comprising:
a first planar actuator having a first planar icon and a locator bump located within a periphery of the icon; and
a second planar actuator having a second planar icon that is similarly shaped to the first icon;
wherein the first icon is about 5% bigger than the second icon, such that the icons appear to be the same size to the human
eye.

US Pat. No. 9,220,157

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first
and second main terminals through which current can be conducted to energize the electrical load and a gate terminal through
which current can be conducted to render the thyristor conductive between the first and second main terminals;

a gate coupling circuit electrically coupled to the gate terminal of the thyristor to conduct current through the gate terminal;
a control circuit configured to control the thyristor to turn the electrical load on and off, the control circuit further
configured, when the electrical load is on, to control the gate coupling circuit to conduct a pulse of current through the
gate terminal of the thyristor at a first time during a present half-cycle of the AC power source to render the thyristor
conductive, and to control the gate coupling circuit to allow the gate coupling circuit to conduct at least one other pulse
of current through the gate terminal of the thyristor after the first time during the present half-cycle; and

a power supply configured to conduct current through the electrical load when the thyristor is non-conductive to produce a
supply voltage across an energy storage capacitor to power the control circuit;

wherein, when the electrical load is on, the control circuit is configured to prevent the gate coupling circuit from conducting
pulses of current through the gate terminal of the thyristor before the first time of the present half-cycle to maintain the
thyristor non-conductive until the magnitude of the supply voltage exceeds a predetermined threshold.

US Pat. No. 9,141,093

LOAD CONTROL SYSTEM HAVING AN ENERGY SAVINGS MODE

LUTRON ELECTRONICS CO., L...

1. A load control system for a building having a heating and cooling system and a window located in a space of the building,
the load control system comprising:
a motorized window treatment comprising a window treatment fabric for covering the window, the motorized window treatment
configured to move the fabric;

a controller configured to determine whether the heating and cooling system is heating or cooling the space, the motorized
window treatment responsive to the controller;

wherein, when a calculated position of the sun relative to the window defined by a solar elevation angle (?S) above the horizon and a solar azimuth angle (?S) with respect to true north, the position calculated based on the building latitude and longitude and present date and time,
indicates that the window is receiving direct sunlight, the motorized window treatment moves the fabric towards a closed position
when the heating and cooling system is cooling the space, and adjusts the fabric to limit a sunlight penetration depth in
the space to a maximum penetration depth when the heating and cooling system is heating the space.

US Pat. No. 9,287,690

GLASS FACEPLATE FOR KEYPAD OF A LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A glass faceplate assembly for a wall box control device, said glass faceplate assembly comprising:
a flat glass plate having at least one opening therein for receiving at least one control button and a plastic carrier plate
attached to said flat glass plate for supporting said flat glass plate and having at least one opening therein aligned with
the at least one opening in the flat glass plate;

an adapter plate, said carrier plate being removably attached to said adapter plate, the adapter plate configured to be fastened
to a base of the wall box control device; and

a tethering connector connecting said carrier plate and said adapter plate, whereby said carrier plate is safely secured to
said adapter plate by said tethering connector when said carrier plate is moved away from said adapter plate to expose said
adapter plate;

said carrier plate having a releasable fastener for allowing said carrier plate to be attached to and detached from said adapter
plate; and

wherein said carrier plate contains a peripheral wall around at least a portion of a periphery of said carrier plate and an
edge surface around a periphery of said adapter plate which is dimensioned to nest with respect to said wall of said carrier
plate when said carrier plate is mounted to said adapter plate.

US Pat. No. 9,232,607

GAS DISCHARGE LAMP BALLAST WITH RECONFIGURABLE FILAMENT VOLTAGE

LUTRON ELECTRONICS CO., I...

1. A method of reconfiguring an alternating current filament voltage for use by an electronic dimming ballast, the method
comprising:
supplying a first filament voltage to a filament of a lamp installed with the electronic dimming ballast;
receiving a signal indicative of supplying a second filament voltage to the filament that is different from the first filament
voltage, wherein the signal includes an integer value pertaining to a particular type of the lamp installed with the electronic
dimming ballast; and

supplying the second filament voltage to the filament.

US Pat. No. 9,045,939

BATTERY-POWERED MOTORIZED WINDOW TREATMENT HAVING A SERVICE POSITION

LUTRON ELECTRONICS CO., I...

21. A battery-powered motorized window treatment configured to be mounted to a surface for covering at least a portion of
an opening, the motorized window treatment comprising:
a covering material;
a motor drive unit configured to be disposed near a top of the opening for controlling the covering material between a fully-opened
and a fully-closed position;

an enclosure configured to be disposed near the top of the opening, the enclosure including a compartment for holding at least
one battery for powering the motor drive unit; and

at least one mounting bracket for coupling the enclosure to the surface;
wherein the motorized window treatment is rotatable into a service position in which access is provided to an open side of
the enclosure to provide access to the at least one battery through the open side, the mounting bracket configured such that
the enclosure is rotatable about an axis into the service position and the at least one battery may be removed from the enclosure
in a direction perpendicular to the axis of rotation, the mounting bracket remaining coupled to the surface and the enclosure
remaining coupled to the mounting bracket when the motorized window treatment is in the service position.

US Pat. No. 9,462,660

CONTROLLING AN ELECTRONIC DIMMING BALLAST DURING LOW TEMPERATURE OR LOW MERCURY CONDITIONS

LUTRON ELECTRONICS CO., I...

1. A method for controlling an amount of power delivered to an electrical load, the method comprising:
adjusting a first magnitude of a first operating characteristic of the electrical load;
measuring a second magnitude of a second operating characteristic of the electrical load, the second operating characteristic
different than the first operating characteristic;

stopping adjustment of the first magnitude of the first operating characteristic of the electrical load if the second magnitude
of the second operating characteristic crosses a first threshold; and

subsequently beginning to adjust the first magnitude of the first operating characteristic of the electrical load when the
second magnitude of the second operating characteristic crosses a second threshold.

US Pat. No. 9,414,471

ACTUATOR ASSEMBLY FOR A WALLBOX DIMMER

LUTRON ELECTRONICS CO., I...

1. A load control device configured to control an amount of power delivered to an electrical load, the load control device
comprising:
a plurality of discrete force-sensitive impedance members; and
an actuator that is operatively coupled to the plurality of discrete force-sensitive impedance members,
wherein application of a force to the actuator causes actuation of at least one of the plurality of discrete force-sensitive
impedance members, and a control signal indicative of the amount of power delivered to the electrical load is generated.

US Pat. No. 9,343,997

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first
and second main terminals through which current can be conducted to energize the electrical load and a gate terminal through
which current can be conducted to render the thyristor conductive between the first and second main terminals;

a gate coupling circuit electrically coupled to the first main terminal of the thyristor and arranged to conduct current through
the gate terminal of the thyristor;

a controllable switching circuit electrically coupled in series between the gate coupling circuit and the gate terminal of
the thyristor and configured to conduct current through the gate terminal of the thyristor; and

a control circuit configured to render the controllable switching circuit conductive and to control the gate coupling circuit
to conduct a pulse of current through the gate terminal of the thyristor at a firing time during a present half-cycle of the
AC power source to render the thyristor conductive, the control circuit being configured to control the gate coupling circuit
to allow the gate coupling circuit to conduct at least one other pulse of current through the gate terminal of the thyristor
after the firing time during the present half-cycle, the control circuit being further configured to render the controllable
switching circuit non-conductive before the end of the present half-cycle to prevent any further pulses of current from being
thereafter conducted through the gate terminal of the thyristor during the present half-cycle.

US Pat. No. 9,161,418

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first
and second main terminals through which a load current is conducted to energize the electrical load and a gate terminal through
which a gate current is conducted to render the thyristor conductive;

a gate coupling circuit comprising two MOS-gated transistors in anti-series connection, the MOS-gate transistors electrically
coupled to conduct the gate current through the gate terminal of the thyristor; and

a control circuit configured to control the gate coupling circuit to cause the MOS gated transistors to conduct the gate current
through the gate terminal of the thyristor to render the thyristor conductive at a firing time during a present half cycle
of the AC power source, the control circuit configured to control the gate coupling circuit to allow the MOS-gated transistors
to conduct the gate current through the gate terminal of the thyristor again at a time between the firing time and the end
of the present half-cycle.

US Pat. No. 9,115,537

BATTERY-POWERED ROLLER SHADE SYSTEM

LUTRON ELECTRONICS CO., I...

16. A battery-powered roller shade system comprising:
a housing that is configured to be coupled to a structure, the housing including a housing body that has first and second
sidewalls spaced from each other along a first direction, a front wall that extends along the first direction from the first
sidewall to the second sidewall, and a bottom wall that extends along the first direction from the first sidewall to the second
sidewall, the first and second sidewalls, front wall, and bottom wall at least partially defining an internal cavity of the
housing, the bottom wall at least partially defining a door that is movable between a closed position and an open position;

a roller tube rotatably mounted in the internal cavity about an axis that extends along the first direction;
a covering material windingly received around the roller tube such that rotation of the roller tube about the axis by a drive
causes the covering material to move between a raised position and a lowered position;

a battery compartment positioned within the internal cavity, the battery compartment including a compartment body that defines
a channel that is elongate along the first direction and is configured to receive and retain at least one battery,

wherein movement of the door from the closed position to the open position forms an access opening into the interval cavity
at a bottom of the housing, through which the at least one battery can be removed from the battery compartment,

wherein when the door is moved from the closed position to the open position, the battery compartment prevents the at least
one battery from falling out of the battery compartment.

US Pat. No. 9,220,133

CONTROLLABLE-LOAD CIRCUIT FOR USE WITH A LOAD CONTROL DEVICE

Lutron Electronics Co., I...

1. A load control device for controlling the amount of power delivered from an AC power source to an electrical load, the
load control device adapted to be coupled to the AC power source through a dimmer switch, the load control device comprising:
a load control circuit adapted to be coupled to the electrical load for controlling the amount of power delivered to the electrical
load;

a controller coupled to the load control circuit for controlling the amount of power delivered to the electrical load in response
to a conduction period of a phase-control voltage received from the dimmer switch; and

a controllable-load circuit coupled to the controller, the controllable-load circuit configured to conduct a controllable-load
current from the AC power source through the dimmer switch, the controllable-load circuit configured to maintain the magnitude
of the controllable-load circuit constant for at least a portion of each half-cycle of the AC power source;

wherein the controller is configured to monitor the conduction period of the phase-control voltage and to cause the controllable-load
circuit to decrease the magnitude of the controllable-load current from an initial magnitude in a first half-cycle to a decreased
magnitude in a second subsequent half-cycle, such that the conduction period of the phase-control voltage when the controllable-load
current has the decreased magnitude in the second half-cycle is the same as when the controllable-load current has the initial
magnitude in the first half-cycle.

US Pat. No. 9,141,101

WIRELESS BATTERY-POWERED REMOTE CONTROL WITH GLOW-IN-THE-DARK FEATURE

LUTRON ELECTRONICS CO., I...

1. A remote control for a wireless control system, said remote control comprising:
a controller;
a wireless transmitter coupled to said controller;
a battery for powering said controller and said transmitter;
a housing for said controller, said transmitter, and said battery;
an indicator device comprising a glow-in-the-dark material that has a luminance spectrum that decays with time after initial
excitation; and

an electromagnetic-energy-generating element for producing electro-magnetic energy to excite said glow-in-the-dark material
to produce visible light to enable said remote control to be visible in low ambient light conditions,

wherein said controller provides a pulse of electrical energy to said electromagnetic energy generating element on a periodic
basis thereby to reduce energy usage from said battery, said pulse periodically recharging said glow-in-the-dark material
with adequate energy to keep said glow in-the-dark material visible in said low ambient light conditions.

US Pat. No. 9,497,817

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an intensity of a lighting load, the load control device comprising:
a load regulation circuit configured to control a magnitude of a load current conducted through the lighting load; and
a control circuit operatively coupled to the load regulation circuit for pulse width modulating or pulse frequency modulating
the load current to control the intensity of the lighting load to a target intensity;

wherein the control circuit is configured to control the intensity of the lighting load by pulse width modulating the load
current when the target intensity is above a predetermined threshold and control the intensity of the lighting load by pulse
frequency modulating the load current when the target intensity is below the predetermined threshold.

US Pat. No. 9,386,669

CONTROLLING LIGHT INTENSITY AT A LOCATION

LUTRON ELECTRONICS CO., I...

1. A mobile control device that is configured to control light intensity, the mobile control device comprising:
a user interface that is configured to receive an input, the input indicative of a desired light intensity;
a light detector that, responsive to receipt of the input, performs a measurement of ambient light intensity at the mobile
control device;

a wireless communication circuit; and
a control circuit that is configured to determine a location of the mobile control device and, based on the measurement of
ambient light intensity and the location of the mobile control device, cause the wireless communication circuit to transmit
a message to a lighting control device, wherein the message causes the ambient light intensity at the mobile control device
to be adjusted such that the ambient light intensity at the mobile control device agrees with the desired light intensity.

US Pat. No. 9,386,666

METHOD OF OPTICALLY TRANSMITTING DIGITAL INFORMATION FROM A SMART PHONE TO A CONTROL DEVICE

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a controllably conductive device adapted to be coupled in series electrical connection between the source and the electrical
load;

a wireless communication module configured to receive Wi-Fi communications;
a controller operatively coupled to a control input of the controllably conductive device for rendering the controllably conductive
device conductive and non-conductive; and

an optical module operatively coupled to the controller and operable to receive an optical signal comprising programming instructions
from at least one of a visual display or a camera flash light source of a wireless control device, wherein the programming
instructions are configured to enable the wireless communication module to receive digital messages via the Wi-Fi communications
on a local area network, and

wherein the controller is configured, in response to the programming instructions in the optical signal received from the
at least one of the visual display or the camera flash light source of the wireless control device, to connect to the local
area network and receive the digital messages on the local area network via the wireless communication module.

US Pat. No. 9,247,608

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered to an electrical load, the load control device comprising:
a load regulation circuit configured to control a magnitude of a load current conducted through the electrical load to control
the amount of power delivered to the electrical load; and

a control circuit coupled to the load regulation circuit and configured to adjust an average magnitude of the load current,
wherein the control circuit is configured to operate in a normal mode to regulate the average magnitude of the load current
to a target load current that ranges from a maximum rated current to a minimum rated current, the control circuit further
configured to operate in a burst mode to regulate the average magnitude of the load current below the minimum rated current;

wherein, during the burst mode, the control circuit is configured to regulate a peak magnitude of the load current to the
minimum rated current during a first time period using a control loop, and to stop regulating the load current during a second
time period resulting in the average magnitude of the load current being below the minimum rated current, the control circuit
configured to freeze the control loop during the second time period.

US Pat. No. 9,226,377

CIRCUIT FOR REDUCING FLICKER IN A LIGHTING LOAD

LUTRON ELECTRONICS CO., I...

1. A circuit for controlling a lighting load, the circuit comprising:
a bus-voltage-generating circuit configured to receive an input from an AC voltage supply and produce a DC bus voltage characterized
by a low-frequency voltage ripple;

a load regulation circuit comprising an inverter circuit and an output filter circuit, said inverter circuit configured to
receive said DC bus voltage and generate a high-frequency inverter output signal, said output filter circuit configured to
generate a load current conducted through said lighting load in response to said high-frequency inverter output signal, said
inverter circuit configured to receive a drive control signal and to control the high-frequency inverter output signal to
adjust the magnitude of said load current conducted through said lighting load in response to the drive control signal;

a control circuit configured to produce said drive control signal for said inverter circuit to control said high-frequency
inverter output signal to adjust the magnitude of said load current conducted through said lighting load, said control circuit
configured to receive a first signal having a magnitude representative of a target intensity level of said lighting load and
a second signal having a magnitude representative of an actual intensity level of said lighting load, said control circuit
comprising an error amplifier circuit configured to compare said first and second signals to produce said drive control signal
to cause said inverter circuit to control the high-frequency inverter output signal to illuminate said lighting load at said
target intensity level; and

a non-linear amplifier circuit configured to amplify said second signal by a first amount when the magnitude of said load
current is below a current threshold, and by a second, smaller amount when the magnitude of said load current is above said
current threshold, thereby increasing responsiveness of said error amplifier circuit to changes in magnitude of said load
current at low magnitudes;

wherein said error amplifier circuit is configured to operate in a frequency range and is configured to be responsive to said
second signal at the frequency of said second signal thereby to cause said inverter circuit to control said high-frequency
inverter output signal to reduce the effect of said low-frequency voltage ripple of said DC bus voltage on the magnitude of
said load current.

US Pat. No. 9,430,044

GESTURE-BASED LOAD CONTROL

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling an amount of power provided to at least one electrical load via at least one load
control device, the load control system comprising:
a motion capture device configured to generate images of a user; and
a gesture-based control device configured to:
identify, via the images generated by the motion capture device, a first gesture performed by the user,
determine the at least one load control device of a plurality of load control devices in the load control system based on
the first gesture that is identified in the images generated by the motion capture device,

identify, via the images generated by the motion capture device, a second gesture performed by the user,
determine control instructions for controlling the at least one load control device based on the second gesture that is identified
in the images generated by the motion capture device, wherein the control instructions are capable of causing the at least
one load control device to control the amount of power provided to the at least one electrical load, and

send the control instructions to the at least one load control device for controlling the amount of power provided to the
at least one electrical load.

US Pat. No. 9,263,716

MONOLITHIC BATTERY HOLDER HAVING RESILIENT RETENTION STRAP FOR USE IN BATTERY-POWERED SENSOR

LUTRON ELECTRONICS CO., I...

1. A battery-powered sensor configured to wirelessly communicate with a load control system, the sensor including a battery
holder configured to retain a battery in the sensor, the battery holder comprising:
a cradle that includes a base plate having an abutment surface that abuts at least a portion of a lower surface of the battery
when the battery is in an inserted position in the battery holder, and that further includes a wall that extends upward from
the abutment surface along a perimeter of the base plate from a first wall end to a second wall end, the cradle defining an
opening through which the battery may be inserted into and removed from the battery holder, the opening at least partially
bound by the first and second wall ends and the base plate; and

a retention strap, the retention strap extending from a first strap end that is fixed proximate to the first wall end to a
second strap end that is fixed proximate to the second wall end, the retention strap having a resilient portion between the
first and second strap ends that is operable from a relaxed position in which the resilient portion is spaced from the base
plate through a first distance, to a deflected position in which the resilient portion is spaced from the base plate through
a second distance that is shorter than the first distance,

wherein the battery holder is monolithic, and
wherein the cradle and the retention strap cooperate to retain the battery in the battery holder when the retention strap
is in the relaxed position.

US Pat. No. 9,250,669

POWER MEASUREMENT IN A TWO-WIRE LOAD CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A two-wire load control device for controlling an amount of power delivered from an AC power source to an electrical load,
the load control device comprising:
a controllably conductive device that operates in a non-conductive state during a first portion of a half-cycle of an alternating
current (AC) waveform and in a conductive state during a second portion of the half-cycle;

a voltage measuring circuit that measures a voltage across the two-wire load control device during the first portion of the
half-cycle;

a signal generator that generates a complementary voltage waveform that approximates a voltage across the load during the
second portion of the half-cycle, wherein the complementary voltage waveform is based on the voltage measured across the two-wire
load control device during the first portion of the half-cycle;

a current measuring circuit that measures a current supplied to the load from the two-wire load control device during the
second portion of the half-cycle; and

a control circuit that computes an estimated amount of power consumed by the load based on the complementary voltage waveform
and the current supplied to the load during the second portion of the half-cycle.

US Pat. No. 9,113,521

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Electronics Co., I...

1. A load control device for controlling an intensity of a lighting load, the load control device comprising:
a power converter circuit operable to receive a rectified AC voltage and to generate a DC bus voltage;
a load regulation circuit operable to receive the DC bus voltage and to control a magnitude of a load current conducted through
the lighting load; and

a control circuit operatively coupled to the load regulation circuit for pulse width modulating or pulse frequency modulating
the load current to control the intensity of the lighting load to a target intensity;

wherein the control circuit is configured to control the intensity of the lighting load by pulse width modulating the load
current when the target intensity is above a predetermined threshold and control the intensity of the lighting load by pulse
frequency modulating the load current when the target intensity is below the predetermined threshold.

US Pat. No. 9,232,574

FORWARD CONVERTER HAVING A PRIMARY-SIDE CURRENT SENSE CIRCUIT

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling the amount of power delivered to an electrical load, the load control device comprising:
an isolated forward converter operable to receive a bus voltage and to conduct a load current through the electrical load,
the forward converter comprising a transformer that comprises a primary winding coupled in series with a first semiconductor
switch and a secondary winding adapted to be operatively coupled to the electrical load, the forward converter further comprising
a half-bridge inverter comprising the first semiconductor switch and a second semiconductor switch coupled in series across
the bus voltage for generating an inverter voltage at a junction of the two semiconductor switches, the junction of the two
semiconductor switches coupled to the primary winding of the transformer through a capacitor, such that a primary voltage
across the primary winding has a positive polarity when the first semiconductor switch is conductive and has a negative polarity
when the second semiconductor switch is conductive, the transformer operable to transfer power to the secondary winding when
either of the semiconductor switches is conductive, the forward converter further comprising a sense resistor coupled in series
with the primary winding for producing a sense voltage representative of a primary current conducted through the primary winding;

a controller coupled to the forward converter for controlling the first semiconductor switch to control the load current conducted
through the electrical load; and

a current sense circuit operable to receive the sense voltage, the current sense circuit comprising an averaging circuit for
averaging the sense voltage when the first semiconductor switch of the forward converter is conductive, so as to generate
a load current control signal that is representative of a real component of the primary current.

US Pat. No. 9,382,756

CABLE GUIDED SHADE SYSTEM

Lutron Electronics Co., I...

1. A cable guided shade system configured to selectively cover an opening of a structure, the cable guided shade system comprising:
a head rail configured to be fixed to the structure proximate to a top end of the opening;
at least one guide cable anchor configured to be attached to the structure proximate to a bottom end of the opening, the guide
cable anchor including an anchor housing that defines a channel, the guide cable anchor further including a bracket having
a first extension member and a second extension member that is angularly offset with respect to the first extension member;

at least one guide cable configured to be fixed to the head rail and to the guide cable anchor such that the guide cable extends
between the top and bottom ends of the opening; and

a covering material that is fixed to the head rail and movable along the guide cable between an open position and a closed
position,

wherein the bracket is configured to have (i) a first position whereby the first extension member is received by the channel
such that the guide cable can be pulled through the bracket to thereby tension the guide cable, and (ii) a second position
whereby the second extension member is received by the channel after the guide cable has been initially tensioned and fixed
to the bracket.

US Pat. No. 9,521,728

MULTIPLE LOCATION LOAD CONTROL SYSTEM

Lutron Electronics Co., L...

1. A load control system for controlling power delivered to an electrical load from an AC power source, the system comprising:
a main load control device comprising a first load terminal, a second load terminal, and an accessory terminal, the main load
control device adapted to be electrically coupled in series between the AC power source and the electrical load for control
of the power delivered to the electrical load, the main load control device configured to conduct a load current from the
AC power source to the electrical load via the first and second load terminals; and

a remote load control device adapted to be coupled between the first load terminal and the accessory terminal of the main
load control device or between the second load terminal and the accessory terminal of the main load control device, the remote
load control device adapted to be coupled to the accessory terminal of the main load control device via an accessory wiring,
the remote load control device comprising a power supply;

wherein the main load control device is configured to enable a charging path to allow the power supply of the remote load
control device to charge through the accessory wiring during a first time period of a half-cycle of the AC power source, the
main load control device and the remote load control device configured to communicate with each other via the accessory wiring
during a second time period of the half-cycle.

US Pat. No. 9,489,005

METHOD AND APPARATUS FOR PHASE-CONTROLLING A LOAD

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered from an alternating current (AC) power source to an
electrical load, the load control device comprising:
a bidirectional semiconductor switch configured to be coupled between the AC power source and the electrical load; and
a controller operatively coupled to the bidirectional semiconductor switch, the controller configured to:
determine to operate the electrical load via a phase control signal in a forward phase-control mode;
after determining to operate the electrical load via the phase control signal in the forward phase-control mode, control the
bidirectional semiconductor switch to provide the phase control signal in a reverse phase-control mode for a predetermined
period of time to the electrical load to charge a bus capacitor of the electrical load;

after the predetermined period of time has elapsed, switch the phase control signal to the forward phase-control mode; and
control the bidirectional semiconductor switch to provide the phase control signal in the forward phase-control mode to the
electrical load.

US Pat. No. 9,368,025

TWO-PART LOAD CONTROL SYSTEM MOUNTABLE TO A SINGLE ELECTRICAL WALLBOX

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling an amount of power delivered from an AC power source to an electrical load, the load
control system comprising:
a load control device adapted to be coupled in series electrical connection between the AC power source and the electrical
load for controlling the amount of power delivered to the electrical load, the load control device comprising a first inductive
coil; and

a remote control device for controlling an operation of the load control device, the remote control device comprising a power
supply and a second inductive coil,

wherein the remote control device is configured to charge the power supply using energy derived from magnetic coupling between
the first inductive coil and the second inductive coil, and wherein the remote control device is configured to wirelessly
communicate load control instructions to the load control device via the magnetic coupling between the first inductive coil
and the second inductive coil to control the electrical load, wherein the load control instructions are configured to control
the electrical load via the load control device.

US Pat. No. 9,356,531

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first
and second main terminals through which current can be conducted to energize the electrical load and a gate terminal through
which current can be conducted to render the thyristor conductive;

a first current path electrically coupled between the first main terminal of the thyristor and the gate terminal of the thyristor
to conduct current through the gate terminal of the thyristor;

a control circuit configured to control the first current path to conduct a pulse of current through the gate terminal of
the thyristor to render the thyristor conductive at a firing time during a present half-cycle of the AC power source, the
control circuit being configured to control the first current path to allow the first current path to conduct at least one
other pulse of current through the gate terminal of the thyristor again after the firing time until a transition time before
the end of the present half-cycle; and

a second current path electrically coupled between the first and second terminals of the thyristor to conduct current through
the electrical load between the transition time and the end of the present half-cycle.

US Pat. No. 9,516,724

METHOD OF AUTOMATICALLY PROGRAMMING A LOAD CONTROL DEVICE USING A REMOTE IDENTIFICATION TAG

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling the power delivered from an AC power source to an electrical load, the load control
device comprising:
a load control circuit adapted to be coupled between the AC power source and the electrical load;
a controller operatively coupled to the load control circuit for controlling the power delivered to the electrical load;
a first communication circuit operatively coupled to the controller and adapted to be coupled to a communication link, such
that the controller is operable to transmit and receive digital messages via the communication link; and

an identifier retrieval circuit comprising a second communication circuit coupled to the controller, the identifier retrieval
circuit operable to transmit a digital message to a remote identification tag located in the vicinity of the load control
device, and to receive a digital message including an identifier from the remote identification tag;

wherein the load control device is adapted to be mounted adjacent to or in a fixture in which the remote identification tag
is located, the identifier of the remote identification tag representative of a location of the fixture, the controller operable
to transmit a digital message including the identifier on the communication link via the first communication circuit, and
to subsequently receive a digital message including a load control setting associated with the identifier via the first communication
circuit.

US Pat. No. 9,347,261

ADJUSTMENT MECHANISMS FOR SHADES

LUTRON ELECTRONICS CO., I...

1. A motorized shade system comprising:
a housing that is elongate along a first direction, the housing includes a first housing bracket that has a first rail and
a second housing bracket that has a second rail;

a first adjustment mechanism that includes a first sliding member that defines a first threaded bore, a first pair of protrusions,
and a first guide channel, wherein the first guide channel receives the first rail such that the first sliding member is translatable
along the first rail, the first adjustment mechanism further including a first activation member that extends through the
first threaded bore such that rotation of the first activation member causes the first sliding member to translate along the
first rail;

a second adjustment mechanism that includes a second sliding member that defines a second threaded bore, a second pair of
protrusions, and a second guide channel, wherein the second guide channel receives the second rail such that the second sliding
member is translatable along the second rail, the second adjustment mechanism further including a second activation member
that extends through the second threaded bore such that rotation of the second activation member causes the second sliding
member to translate along the second rail;

a roller tube that is rotatably mounted to the housing, the roller tube defining a first end that is attached to the first
sliding member and a second end that is attached to the second sliding member; and

a covering material that is windingly attached to the roller tube such that rotation of the roller tube causes the covering
material to move along a second direction that is normal to the first direction,

wherein translation of the first sliding member along the first rail causes the first end of the roller tube to move relative
to the first housing bracket, and translation of the second sliding member along the second rail causes the second end of
the roller tube to move relative to the second housing bracket, and

wherein the first housing bracket defines a first pair of recesses that are spaced from each other and that are configured
to capture the first pair of protrusions and the second housing bracket defines a second pair of recesses that are spaced
from each other and that are configured to capture the second pair of protrusions.

US Pat. No. 9,326,356

METHOD AND APPARATUS FOR DETERMINING A TARGET LIGHT INTENSITY FROM A PHASE-CONTROL SIGNAL

LUTRON ELECTRONICS CO., I...

1. A phase-control-to-DC converter circuit for a load control device for controlling an amount of power delivered to an electrical
load, said load control adapted to receive a phase-control voltage characterized by a duty cycle for determining a target
amount of power to be delivered to said electrical load, said phase-control-to-DC converter circuit comprising:
a first filter circuit for generating a first filtered voltage in response to said duty cycle of said phase-control voltage,
said first filter circuit characterized by a first time constant; and

a second filter circuit for receiving said first filtered voltage and generating a second filtered voltage in response to
said first filtered voltage, said second filter circuit characterized by a second time constant having a nominal value that
is slower than a value of said first time constant of said first filter circuit;

wherein, when a difference between magnitudes of said first and second filtered voltages exceeds a predetermined threshold,
said second time constant has a fast value that is faster than said nominal value, such that the magnitude of said second
filtered voltage quickly changes to be equal to the magnitude of said first filtered voltage.

US Pat. No. 9,265,128

RADIO-FREQUENCY LIGHTING CONTROL SYSTEM WITH OCCUPANCY SENSING

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to a lighting load provided in a space having
at least two occupancy sensors, the load control device comprising:
a controllably conductive device adapted to be electrically coupled in series between the AC power source and the lighting
load to control the power delivered to the lighting load;

a wireless receiver configured to receive wireless control signals from the occupancy sensors, each of the wireless control
signals received from the occupancy sensors comprising one of an occupied wireless control signal indicating an occupancy
condition in the space and a vacant wireless control signal indicating a vacancy condition in the space;

a controller configured to control the controllably conductive device to control the power delivered to the lighting load
and the intensity of the lighting load in response to the wireless control signals received by the wireless receiver; and

a memory configured to store unique identifiers of each of the occupancy sensors, the controller configured to mark as occupied
in the memory the unique identifiers of the occupancy sensors from which occupied wireless control signals are received and
to mark as vacant in the memory the unique identifiers of the occupancy sensors from which vacant wireless control signals
are received;

wherein the controller is configured to adjust the intensity of the lighting load to a first intensity when the unique identifier
for at least one of the occupancy sensors is marked as occupied and adjust the intensity of the lighting load to a second
intensity less than the first intensity when the unique identifiers of all of the occupancy sensors are marked as vacant.

US Pat. No. 9,124,130

WALL-MOUNTABLE TEMPERATURE CONTROL DEVICE FOR A LOAD CONTROL SYSTEM HAVING AN ENERGY SAVINGS MODE

LUTRON ELECTRONICS CO., I...

1. A temperature control system for controlling a present temperature of a building having a heating and cooling system, the
temperature control system comprising:
a wall-mountable temperature control device for adjusting a system setpoint temperature of the temperature control system
to thus control the present temperature in the building, the temperature control device having a vertically-arranged temperature
adjustment actuator for adjusting a base setpoint temperature, a room temperature visual display for displaying a visual representation
of the present temperature of the building, and a setpoint temperature visual display for displaying a visual representation
of the system setpoint temperature, the room temperature visual display and the setpoint temperature visual display each comprising
a linear array of light-emitting diodes arranged parallel to the temperature adjustment actuator and controlled such that
one of the light-emitting diodes of the setpoint temperature visual display is illuminated to display the system setpoint
temperature and one of the light-emitting diodes of the room temperature visual display is illuminated to display the present
temperature of the building; and

a controller operable to determine the present temperature of the building, the controller operable to receive a digital message
including an energy-savings preset and to determine a setback temperature in response to the energy-savings preset, the controller
operable, in response to receiving the digital message, to increase the system setpoint temperature to be equal to the base
setpoint temperature plus the setback temperature when cooling the building and decrease the system setpoint temperature to
be equal to the base setpoint temperature minus the setback temperature when heating the building so as to decrease the power
consumption of the heating and cooling system, wherein the controller does not adjust the setback temperature in response
to adjustments of the base setpoint temperature;

wherein the one of the light-emitting diodes of the room temperature visual display that is illuminated to display the present
temperature is adjusted in response to changes in the present temperature of the building determined by the controller, and
the one of the light-emitting diodes of the setpoint temperature visual display that is illuminated to display the system
setpoint temperature is adjusted in response to changes in the base setpoint temperature or the setback temperature of the
energy-savings preset.

US Pat. No. 9,084,324

LOAD CONTROL DEVICE HAVING AUTOMATIC SETUP FOR CONTROLLING CAPACITIVE AND INDUCTIVE LOADS

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered from an alternating current (AC) power source to an
electrical load, the load control device comprising:
a memory; and
a controller configured to:
provide a first control signal of a first load control type, the first control signal being characterized by a first switching
time;

determine that the first control signal is inappropriate for the electrical load;
provide a second control signal of the first load control type, the second control signal being characterized by a second
switching time that is greater than the first switching time;

determine that the second control signal is inappropriate for the electrical load;
provide a third control signal of a second load control type, the third control signal being characterized by a third switching
time;

determine that the third control signal is appropriate for the lighting load; and
store the second load control type and the third switching time in the memory.

US Pat. No. 9,328,556

MOTORIZED TRANSITIONAL SHADE SYSTEM

LUTRON ELECTRONICS CO., I...

1. A motorized shade system comprising:
a housing;
a roller tube that is rotatably supported by the housing;
a covering material having a first end that is windingly attached to the roller tube and a second end that is attached to
the housing, the covering material defining respective pluralities of opaque and transparent sections that are arranged in
an alternating pattern between the first and second ends;

a bottom bar that is configured to be movably supported by the covering material, such that a first portion of the covering
material extends from the roller tube to the bottom bar and a second portion of the covering material extends from the bottom
bar to the second end; and

a motor drive unit that includes a motor that is operatively coupled to the roller tube and a control system that is configured
to cause the motor to move the covering material to an open position in which the bottom bar is disposed near an upper end
of an opening and a portion of the covering material is wound about the roller tube, a closed position in which the bottom
bar is disposed near a lower end of the opening such that the covering material covers the opening, a plurality of privacy
positions in which visualization through the covering material is impeded, and a plurality of view positions in which visualization
through the covering material is permitted,

wherein the control system is further configured to:
upon receipt of a first command from a remote control device that is associated with the motorized shade system, cause the
motor to rotate the roller tube to move the covering material;

upon receipt of a second command from the remote control device, cause the motor to halt rotation of the roller tube with
the covering material at an intermediate position that is between the open and closed positions; and

automatically cause the motor to rotate the roller tube to move the covering material from the intermediate position to one
of the plurality of privacy positions or one of the plurality of view positions.

US Pat. No. 9,313,859

AUTOMATIC CONFIGURATION OF A LOAD CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling an electrical load, the load control system comprising:
a sensor;
a remote control comprising a button and configured to wirelessly transmit a digital message in response to an actuation of
the button; and

a load control device configured to control the electrical load, the load control device configured to be responsive to the
sensor, the load control device further configured to be associated with the remote control and to be responsive to the digital
message transmitted by the remote control if the remote control is associated with the load control device;

wherein the load control device is configured to automatically operate in a first mode of operation if the remote control
is not associated with the load control device, and automatically operate in a second mode of operation if the remote control
is associated with the load control device.

US Pat. No. 9,195,220

CLOCK DEVICE WITH AUTOMATIC SIMULATION OF SUNRISE OR SUNSET

LUTRON ELECTRONICS CO., I...

1. A clock, comprising:
an alarm clock housing having a front face;
a clock display occupying at least a portion of the front face;
an audio alarm which gradually increases in volume;
a control on the housing for activating a shade positioning function, and
a processor within the housing, the processor responsive to the control for generating at least one shade positioning command
to be transmitted to at least one motorized window shade, so as to cause the motorized window shade to move to one or more
positions at one or more corresponding predetermined intervals relative to an alarm time.

US Pat. No. 9,642,226

DIGITAL LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION VIA EXISTING POWER WIRING

LUTRON ELECTRONICS CO., I...

1. A power device for use in a load control device for controlling the power delivered from an AC power source to an electrical
load in response to a controller, the power device comprising:
a forward receiving circuit adapted to be coupled to the controller via a power wiring, such that the controller is coupled
in series electrical connection between the AC power source and the power device, the forward receiving circuit operable to
receive a phase-control voltage from the controller via a power wiring;

a control circuit operatively coupled to the forward receiving circuit for receiving a forward digital message in response
to digital information encoded in timing edges of the phase-control voltage; and

a reverse transmitting circuit adapted to be coupled to the controller via the power wiring;
wherein the control circuit is operatively coupled to the reverse transmitting circuit for transmitting a reverse digital
message to the controller via the power wiring, the control circuit operable to control the reverse transmitting circuit to
adjust a magnitude of a controller voltage generated across the controller; and

wherein the control circuit is operable to transmit a bit of the reverse digital message by adjusting the magnitude of the
controller voltage prior to a timing edge of the phase-control voltage during a half-cycle of the AC power source;

wherein the reverse digital message comprises a number of sequential data patterns, each data pattern having a first timing
edge at a predetermined reference edge time during a first half-cycle, the control circuit operable to adjust the magnitude
of the controller voltage during a window time period during a second half-cycle of each data pattern to transmit the bit,
the window time period beginning approximately a half-cycle time period after the predetermined reference edge time during
the first half-cycle.

US Pat. No. 9,585,226

IDENTIFICATION OF LOAD CONTROL DEVICES

LUTRON ELECTRONICS CO., I...

1. A system comprising:
a load control device configured to provide an amount of power to a lighting load; and
a control device configured to:
assign a link address to the load control device, wherein the link address is indicated by a number of digits;
instruct the load control device to perform a flashing of the lighting load in a manner that causes the lighting load to identify
each digit of the link address assigned to the load control device by turning the lighting load on and off or increasing and
decreasing an intensity of the lighting load; and

associate the link address that is identified from the flashing of the lighting load with a load control device identifier
to define an association between the link address and the load control device identifier, wherein the load control device
identifier indicates a physical location of the load control device and the associated link address is used to communicate
instructions to the load control device.

US Pat. No. 9,447,636

BATTERY-POWERED MOTORIZED WINDOW TREATMENT HAVING A SERVICE POSITION

Lutron Electronics Co., I...

11. A battery-powered motorized roller shade adapted to be mounted to a surface for covering at least a portion of a window,
the motorized roller shade comprising:
first and second roller tube end brackets;
a roller tube mounted between the first and second roller tube brackets;
a flexible shade fabric windingly received around the roller tube, the shade fabric having a first fabric end connected to
the roller tube and a second fabric end opposite the first fabric end;

a motor drive unit located inside the roller tube for controlling the covering material between a fully-opened and a fully-closed
position;

an enclosure connected to the first and second roller tube end brackets, the enclosure including a compartment for receiving
at least one battery for powering the motor drive unit, the enclosure having a rear side for receiving the at least one battery
into the compartment; and

at least one mounting bracket for coupling the enclosure to the surface;
wherein the motorized roller tube is adjustable into a service position in which access is provided to the rear side of the
enclosure to provide access to the at least one battery through the rear side, the mounting bracket remaining coupled to the
surface and the enclosure remaining coupled to the mounting bracket when the motorized roller shade is in the service position.

US Pat. No. 9,301,371

LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION OVER AC LINE WIRING

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling the power delivered to an electrical load from an AC power source, the system comprising:
a main load control device for controlling the electrical load, the main load control device operable to conduct an AC current
from the AC power source, the main load control device comprising a load control circuit for controlling the amount of power
delivered to the electrical load, the main load control device further comprising a receiver for receiving digital messages,
such that the main load control device is able to control the electrical load in response to the received digital messages;
and

a remote load control device configured to be coupled in series electrical connection with the main load control device for
conducting the AC current from the AC power source, the remote load control device comprising a power supply configured to
charge from the AC power source through the main load control device during a first time period of a present half-cycle of
the AC power source, the power supply configured to charge during time periods in subsequent half-cycles that occur at approximately
the same time during the respective half-cycle as the first time period occurs during the present half-cycle, the remote load
control device further comprising a transmitter for transmitting digital messages;

wherein the remote load control device is configured to be coupled in series electrical connection between the AC power source
and the main load control device; and

wherein the transmitter of the remote load control device and the receiver of the main load control device are coupled together
such that the transmitter of the remote load control device is able to transmit at least a portion of a digital message to
the receiver of the main load control device during a second time period of the present half-cycle, the transmitter of the
remote load control device configured to transmit at least a portion of a digital message to the receiver of the main load
control device during time periods in subsequent half-cycles that occur at approximately the same time during the respective
half-cycle as the second time period occurs during the present half-cycle.

US Pat. No. 9,084,310

METHOD AND APPARATUS FOR ADJUSTING AN AMBIENT LIGHT THRESHOLD

LUTRON ELECTRONICS CO., I...

1. A method for controlling power delivered from an AC power source to an electrical load, the method comprising:
detecting an occupancy condition;
comparing a measured ambient light level to a first value of an ambient light level threshold;
controlling the power delivered to the electrical load in response to detecting the occupancy condition and comparing the
measured ambient light level;

receiving an actuation to change a state of the electrical load after controlling the power; and
adjusting the ambient light level threshold to a second value in response to receiving the actuation.

US Pat. No. 9,699,870

WALL-MOUNTABLE WIRELESS REMOTE CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A wall-mountable remote control device for controlling an electrical load device adapted to receive power from an AC power
source, the remote control device comprising:
an enclosure configured to be mounted inside of an electrical wallbox;
an air-gap switch located in the enclosure and adapted to be electrically coupled in series between the AC power source and
the electrical load device;

an air-gap switch actuator configured to open and close the air-gap switch;
a user interface configured to receive an input;
a radio-frequency (RF) communication circuit configured to transmit an RF signal; and
a control circuit coupled to the user interface and the RF communication circuit, the control circuit configured to cause
the RF communication circuit to transmit the RF signal in response to the input received by the user interface, the RF signal
including a command for controlling the electrical load device.

US Pat. No. 9,418,809

ELECTRONIC SWITCH HAVING AN IN-LINE POWER SUPPLY

Lutron Electronics Co., I...

1. A two-wire electronic switch for controlling the power delivered from an AC power source to an electrical load, the electronic
switch comprising:
a latching relay adapted to be coupled in series electrical connection between the source and the load, the latching relay
arranged to conduct a load current through the load when the relay is conductive;

a controller configured to control the relay to be conductive and non-conductive to turn the load on and off, respectively;
an output capacitor arranged to develop a DC supply voltage for powering the controller; and
an in-line power supply coupled in series electrical connection with the relay, the in-line power supply further coupled to
the output capacitor for generating the DC supply voltage across the output capacitor when the relay is conductive, the power
supply configured to conduct the load current through the output capacitor for at least a portion of a line cycle of the AC
power source when the relay is conductive;

wherein the relay is rendered non-conductive in response to an over-temperature condition in the electronic switch.

US Pat. No. 9,361,790

REMOTE CONTROL FOR A WIRELESS LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A remote control for a radio-frequency (RF) load control system configured to control an electrical load, the remote control
comprising:
a housing having a front surface, a rear surface, and an outer periphery defined by a length and a width, the housing configured
to be held in a user's hand;

an actuator provided at the front surface of the housing;
an RF transmitter contained within the housing; and
a controller contained within the housing, the controller configured to cause the RF transmitter to transmit an RF signal
for controlling the electrical load in response to an actuation of the actuator when the housing is held in the user's hand,
the RF transmitter and the controller adapted to be powered by a battery contained within the housing;

wherein the outer periphery of the housing is configured to be received within a standard opening in a front surface of a
standard faceplate in such a way that an entirety of the front surface of the housing is exposed through the opening in the
faceplate when the housing and the faceplate are mounted to a substantially vertical surface, the controller configured to
transmit an RF signal for controlling the electrical load in response to an actuation of the actuator when the housing is
mounted to the vertical surface and received in the opening of the faceplate.

US Pat. No. 9,253,829

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling the amount of power delivered to an electrical load, the load control device comprising:
a load regulation circuit operable to conduct a load current through the electrical load and to control the amount of power
delivered to the electrical load; and

a controller coupled to the load regulation circuit;
wherein, when a target current of the load current is in a steady state, the controller is operable to pulse-width modulate
the magnitude of the load current between a current less than the target current and a current greater than the target current
to adjust an average magnitude of the load current to the target current; and

wherein, when the target current is dynamically changing, the controller is operable to pulse-width modulate the magnitude
of the load current between a sum of a supplemental signal and a current less than the target current and a sum of the supplemental
signal and a current greater than the target current to adjust the average magnitude of the load current to the sum of the
target current and the supplemental signal.

US Pat. No. 9,160,224

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling the amount of power delivered from an AC power source to an electrical load, the
load control device comprising:
a thyristor adapted to be coupled in series electrical connection between the AC power source and the electrical load for
conducting a load current from the AC power source to the electrical load, the thyristor having a gate for conducting a gate
current to render the thyristor conductive;

a gate coupling circuit coupled to conduct the gate current through the gate of the thyristor; and
a control circuit operable to control the gate coupling circuit to conduct the gate current through a first current path to
render the thyristor conductive at a firing time during a half cycle of the AC power source, the control circuit continuing
to control the gate coupling circuit, such that the gate coupling circuit is able to conduct the gate current through the
first current path again after the firing time;

wherein the gate current is not able to be conducted through the gate of the thyristor from a transition time before the end
of the half-cycle until approximately the end of the half-cycle, the load current able to be conducted from the AC power source
to the electrical load through a second current path after the transition time until approximately the end of the half-cycle.

US Pat. No. 9,277,629

RADIO-FREQUENCY LIGHTING CONTROL SYSTEM WITH OCCUPANCY SENSING

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling the amount of power delivered from an AC power source to an electrical load provided
in a space having a movable structure and a fixed surface, the load control system comprising:
a load control device adapted to be coupled in series electrical connection between the AC power source and the electrical
load for control of the amount of power delivered to the electrical load, the load control device operable to receive wireless
control signals and to control the amount of power delivered to the electrical load in response to the wireless control signals;

a first occupancy sensor adapted to be mounted to the movable structure, the first occupancy sensor operable to detect movement
of the movable structure and to transmit a first occupied wireless control signal to the load control device in response to
detecting the movement of the movable structure, the load control device operable to enable the delivery of power to the electrical
load in response to receiving the first occupied wireless control signal; and

a second occupancy sensor adapted to be mounted to the fixed surface, the second occupancy sensor operable to detect an occupancy
condition in the space and to transmit a second occupied wireless control signal to the load control device in response to
detecting the occupancy condition;

wherein each of the occupancy sensors is operable to transmit a vacant wireless control signal to the load control device
in response to detecting a vacancy condition in the space, the load control device operable to cease the delivery of power
to the electrical load in response to receiving the vacant wireless control signals from both of the occupancy sensors;

wherein each of the occupancy sensors is operable to transmit a third wireless control signal to the load control device in
response to detecting a continued occupancy condition in the space, the load control device ceasing the delivery of power
to the electrical load in response to determining that no wireless control signals have been received from one of the occupancy
sensors for the length of a predetermined timeout period, and receiving a vacant control signal from the other occupancy sensor;

wherein the load control device initializes a failsafe timer with the predetermined timeout period and restarts the failsafe
timer in response to receiving the third wireless control signals from the occupancy sensors, the load control device operable
to cease the delivery of power to the electrical load when the failsafe timer expires; and

wherein the first occupied wireless control signal comprises an occupied-take-action command, the second occupied wireless
control signal comprises an occupied-take-action command and the third wireless control signal comprises an occupied-no-action
command.

US Pat. No. 9,249,624

BATTERY-POWERED MOTORIZED WINDOW TREATMENT HAVING A SERVICE POSITION

LUTRON ELECTRONICS CO., I...

27. A battery-powered motorized window treatment configured to be mounted to a surface for covering at least a portion of
a window, the motorized window treatment comprising:
a headrail arranged to be disposed near the top of the opening;
a covering material arranged to extend from the headrail;
a motor drive unit configured to move the covering material between a fully-opened position and a fully-closed position, the
headrail including a compartment for receiving at least one battery for powering the motor drive unit; and

at least one mounting bracket configured to couple the headrail to the surface, the mounting bracket comprising a mounting
portion configured to be fastened to the surface and a rotating portion coupled to the headrail, the rotating portion configured
to be held adjacent to the mounting portion when the motor drive unit is moving the covering material, the rotating portion
configured to pivot about an axle with respect to the mounting portion to rotate the headrail away from the window, the mounting
bracket comprising a spring configured to hold the headrail in a position in which unobstructed access is provided to the
at least one battery and such that the spring limits the rotation of the head rail.

US Pat. No. 9,544,977

METHOD OF PROGRAMMING A LOAD CONTROL DEVICE USING A SMART PHONE

LUTRON ELECTRONICS CO., I...

24. A wireless control device comprising:
a memory; and
a processor configured to execute instructions stored in the memory, the processor being configured to execute the instructions
to:

provide a user interface for configuring one or more operating parameters of a load control device, wherein the one or more
operating parameters comprise a low-end intensity of a lighting load;

receive images of the lighting load;
detect whether an intensity of the lighting load is flickering based on the received images; and
transmit digital messages to the load control device to program or adjust the low-end intensity of the lighting load, wherein
the digital messages comprise a first digital message configured to set the intensity of the lighting load to a first intensity
and to decrease the intensity of the lighting load from the first intensity, and wherein the digital messages comprise a second
digital message that the processor is configured to transmit when the flickering of the intensity of the lighting load is
detected, wherein the second digital message is configured to increase the intensity of the lighting load to a second intensity
for programming or adjusting the low-end intensity.

US Pat. No. 9,413,171

NETWORK ACCESS COORDINATION OF LOAD CONTROL DEVICES

LUTRON ELECTRONICS CO., I...

35. A network node in communication with a load control device, the load control device controlling power delivered to at
least one electrical load, the load control device comprising a first controller, a first wireless communication circuit operable
for communication via first protocol and operable to join a first wireless communication network, and a second communication
circuit operable to communicate via a second protocol, the network node comprising:
a second controller; and
a third communication circuit operable to communicate via the second protocol, the third communication circuit in communication
with the second controller, the second controller being operable to:

determine a first condition for the load control device to communicate via the first protocol;
send a first signal via the third communication circuit and via the second protocol to the load control device upon the first
condition being satisfied, the first signal causing the load control device to control the first wireless communication circuit
to join the first wireless communication network;

determine a second condition for the load control device to terminate communication via the first protocol; and
send a second signal via the third communication circuit and via the second protocol to the load control device upon the second
condition being satisfied, the second signal causing the load control device to disconnect from the first wireless communication
network.

US Pat. No. 9,343,998

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first
and second main terminals through which current can be conducted to energize the electrical load and a gate terminal through
which current can be conducted to render the thyristor conductive between the first and second main terminals;

a first circuit electrically coupled between the first main terminal of the thyristor and the gate terminal of the thyristor
to conduct current through the gate terminal of the thyristor;

a second circuit electrically coupled between the first and second main terminals of the thyristor to conduct current through
the electrical load when the thyristor is non-conductive; and

a control circuit configured to individually control the first and second circuits to be conductive and non-conductive, the
control circuit configured to render the first circuit conductive to conduct a pulse of current through the gate terminal
of the thyristor at a firing time during a present half-cycle of the AC power source to render the thyristor conductive, the
control circuit configured to control the first circuit to allow the first circuit to conduct at least one other pulse of
current through the gate terminal of the thyristor after the firing time during the present half-cycle;

wherein the control circuit is configured to render the first circuit non-conductive before the end of the present half-cycle
to prevent any further pulses of current from being thereafter conducted through the gate terminal of the thyristor during
the present half-cycle, the control circuit being further configured to control the second circuit to conduct current through
the electrical load after the first circuit is rendered non-conductive.

US Pat. No. 9,307,613

LOAD CONTROL DEVICE WITH AN ADJUSTABLE CONTROL CURVE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered from an alternating current (AC) power source to an
electrical load, said load control device comprising:
a controllably conductive device operable to control the amount of power delivered from the AC power source to the electrical
load; and

a controller operable to render the controllably conductive device conductive for at least a portion of a half-cycle of an
AC line voltage from the AC power source in accordance with a first control curve and in accordance with a second control
curve;

wherein the second control curve comprises a first portion having a first slope, a second portion having a second slope, and
a third portion having a third slope, the first slope being different from the second slope, and the third slope being different
from the first slope and the second slope.

US Pat. No. 9,337,943

LOAD CONTROL SYSTEM HAVING A BROADCAST CONTROLLER WITH A DIVERSE WIRELESS COMMUNICATION SYSTEM

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling a plurality of electrical loads, the load control system comprising:
a plurality of energy controllers, each energy controller operable to control at least one of the electrical loads; and
a first broadcast controller having first and second antennas, the first antenna arranged in a first position and the second
antenna is arranged in a second position that is orthogonal to the first position, the broadcast controller operable to transmit
a first wireless signal via the first antenna and a second wireless signal via the second antenna;

wherein each of the energy controllers is operable to receive at least one of the first and second wireless signals, and to
control the respective load in response to the received wireless signal.

US Pat. No. 9,307,622

THREE-WAY SWITCHING CIRCUIT HAVING DELAY FOR INRUSH CURRENT PROTECTION

LUTRON ELECTRONICS CO., I...

1. A load control device adapted to be coupled to a circuit comprising an AC power source, an electrical load, and an external
single-pole double-throw (SPDT) three-way switch, the external three-way switch comprising a first fixed contact, a second
fixed contact, and a movable contact adapted to be coupled to either the AC power source or the electrical load, and the external
three-way switch comprising a first state in which the movable contact is contacting the first fixed contact and a second
state in which the movable contact is contacting the second fixed contact, the load control device comprising:
a first terminal adapted to be coupled to the other of the AC power source or the electrical load to which the three-way switch
is not coupled so as to complete the circuit;

a second terminal adapted to be coupled to the first fixed contact of the external three-way switch;
a third terminal adapted to be coupled to the second fixed contact of the external three-way switch; and
a switching circuit comprising:
an internal SPDT switch comprising a movable contact and two fixed contacts coupled to the respective second and third terminals;
a relay comprising a first mechanical switch coupled in series between the first terminal and the movable contact of the internal
SPDT switch;

a turn-on delay circuit responsive to a voltage at the movable contact of the internal SPDT switch, the turn-on delay circuit
adapted to render the relay conductive after a turn-on delay from when either the internal SPDT switch is actuated to turn
on the electrical load or the external three-way switch is actuated to turn on the electrical load; and

a turn-off delay circuit responsive to voltages at both of the fixed contacts of the internal SPDT switch, the turn-off delay
circuit adapted to render the relay non-conductive after a turn-off delay from when either the internal SPDT switch is actuated
to turn off the electrical load or the external three-way switch is actuated to turn off the electrical load.

US Pat. No. 9,743,496

TURN-ON PROCEDURE FOR A LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A load regulation device for controlling an electrical load, the load regulation device comprising:
one or more electrical components adapted to:
receive an indication of a user's presence;
transition from a low power state to a ready state in response to receiving the indication, wherein the ready state is characterized
by the load regulation device using more power than the low power state and the electrical load being unenergized;

wait in the ready state for a change state instruction;
transition from the ready state to the low power state if the change state instruction is not received within a first predetermined
period of time;

transition from the ready state to an on state in response to receiving the change state instruction within the first predetermined
period of time; and

transition from the on state to one of the ready state and the low power state in response to receiving an actuation of an
actuator or in response to determining a lack of a user's presence in a vicinity of the electrical load for a second predetermined
period of time.

US Pat. No. 9,488,000

INTEGRATED ACCESSIBLE BATTERY COMPARTMENT FOR MOTORIZED WINDOW TREATMENT

LUTRON ELECTRONICS CO., I...

1. A motorized window treatment comprising:
a housing that is configured to be mounted to a structure;
a window treatment assembly that is supported by the housing, wherein the window treatment assembly includes a covering material
that is operable between a raised position and a lowered position by rotating the covering material about a longitudinal axis;
and

a battery compartment that is pivotally supported by the housing along a first pivot axis that extends parallel to the longitudinal
axis, wherein the battery compartment is operable between a closed position and an opened position by pivoting the battery
compartment about the first pivot axis, such that one or more batteries held by the battery compartment are accessible along
a direction that is normal to the longitudinal axis when the battery compartment is in the opened position,

wherein the first pivot axis is offset relative to a center line defined by the one or more batteries such that the first
pivot axis is not coincident with the center line.

US Pat. No. 9,524,633

REMOTE CONTROL HAVING A CAPACITIVE TOUCH SURFACE AND A MECHANISM FOR AWAKENING THE REMOTE CONTROL

LUTRON ELECTRONICS CO., I...

1. A remote control device configured for use with a load control device, the remote control device comprising:
a housing supporting a capacitive touch surface, the housing having a resiliently deformable portion configured to be operated
from a relaxed state to a deformed state, the capacitive touch surface being configured to provide and receive touch controls
for controlling an electrical load using the load control device;

a printed circuit board (PCB) disposed in the housing;
at least one light emitting diode (LED);
a control circuit mounted to the PCB and configured to illuminate the at least one LED to indicate the touch controls for
controlling the electrical load using the load control device, the control circuit configured to operate in a sleep state
in which the control circuit disables the receipt of the touch controls on the capacitive touch surface and un-illuminates
the at least one LED to use less power while the remote control device is on;

a switch configured to awaken the control circuit from the sleep state, the switch being supported by the PCB;
a membrane comprising a rim and a partial spherical body attached to the rim having an inward facing surface and an opposed
outward facing surface, wherein a top portion of the rim rests on a surface of the PCB supporting the switch, the outward
facing surface being in contact with the deformable portion of the housing; and

a portion of a conductive member attached to the inward facing surface of the partial spherical body of the membrane, wherein,
when the deformable portion of the housing is deformed into the deformed state, the portion of the conductive member attached
to the inward facing surface of the partial spherical body of the membrane makes electrical contact with a portion of the
switch such that the control circuit is awakened from the sleep state to illuminate the at least one LED to indicate portions
of the capacitive touch surface for receiving the touch controls, and enable the capacitive touch surface to receive the touch
controls for controlling the electrical load using the load control device.

US Pat. No. 10,009,988

LOAD CONTROL ADJUSTMENT FROM A WIRELESS DEVICE

Lutron Electronics Co., I...

1. A non-transitory computer readable medium having instructions stored thereon that when executed by a wireless device configure the wireless device to:display, via a first touch-responsive visual display of the wireless device, a first feedback of a parameter of a load control device;
receive, via the first visual display, a first user input to adjust the parameter of the load control device; and
responsive to the first user input, cause a first adjustment of the parameter by communicating, via a communication circuit of the wireless device, one or more messages to a network device; andwherein the instructions, when executed by the network device, configure the network device to:display, via a second touch-responsive visual display of the network device, a second feedback of the parameter of the load control device; and
receive, via the second visual display, a second user input to adjust the parameter of the load control device; and
responsive to the second user input, cause a second adjustment of the parameter;
wherein user inputs received via the first touch-responsive visual display of the wireless device cause adjustments of the parameter of the load control device by a greater percentage than user inputs received via the second touch-responsive visual display of the network device.

US Pat. No. 9,609,719

WIRELESS CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A wall-mountable wireless control device, comprising:
a yoke configured to mount the control device to an electrical wallbox;
a bezel configured to be attached to the yoke;
a user interface provided on the bezel, the user interface comprising an actuation member configured to receive a user input;
a slot antenna configured to transmit or receive radio-frequency signals;
a radio-frequency communication circuit configured to transmit or receive the radio-frequency signals via the slot antenna;
and

a control circuit configured to be responsive to the radio-frequency communication circuit and the user input received via
the actuation member;

wherein the slot antenna comprises a driven element located between the bezel and the yoke, the driven element defining a
first elongated slot through which the actuation member of the user interface extends.

US Pat. No. 9,578,720

WIRELESS CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A wall-mountable wireless control device comprising:
a user interface configured to receive a user input;
an antenna configured to transmit or receive radio-frequency signals;
a radio-frequency communication circuit configured to transmit or receive the radio-frequency signals via the antenna;
a control circuit responsive to the user input and the radio-frequency communication circuit; and
a conductive faceplate defining an opening for receiving the user interface;
wherein the conductive faceplate is configured to operate as a radiating element of the antenna when the conductive faceplate
is mounted to the wireless control device and the user interface is received in the opening of the conductive faceplate.

US Pat. No. 10,129,948

MULTIPLE LOCATION LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling an amount of power delivered to an electrical load from an AC power source, the system comprising:a load control device adapted to be coupled between the AC power source and the electrical load to control the amount of power delivered to the electrical load, the load control device comprising a first terminal and a second terminal, the load control device comprising a first switching circuit coupled to the second terminal, and a second switching circuit coupled between the first and second terminals; and
a remote device adapted to be coupled to the first terminal and the second terminal of the load control device, the remote device comprising a power supply configured to conduct a charging current from the AC power source through the first switching circuit of the load control device;
wherein the load control device is configured to control the second terminal in an active pull-up state by rendering the first switching circuit conductive and the second switching circuit non-conductive, the load control device further configured to control the second terminal into an active pull-down state by rendering the second switching circuit conductive and the first switching circuit non-conductive, the load control device configured to render the first switching circuit conductive to allow the power supply of the remote device to charge through the second terminal during a first time period of a half-cycle of the AC power source, the load control device and the remote device operable to communicate with each other by controlling the second terminal into the active pull-up state and the active pull-down state during a second time period of the half-cycle of the AC power source.

US Pat. No. 9,538,619

CONTROLLABLE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A light source configured to be electrically connected to an alternating current power source and to be controlled using
wirelessly communicated control signals generated by a remote control device, the light source comprising:
a wireless communication circuit that is configured to receive the control signals;
an integrated lighting load;
a base that is configured to electrically connect the light source to the power source;
a housing that includes an end portion that is spaced from the base, and an intermediate portion that extends between the
end portion and the base;

a load control circuit that is configured to, in accordance with the control signals received by the wireless communication
circuit, control an amount of power delivered to the lighting load to adjust an intensity of the lighting load between a high-end
intensity and a low-end intensity; and

an actuator that is manually operable at the end portion of the housing when the light source is installed in a fixture, wherein
manual operation of the actuator causes the light source to create an association between the light source and the remote
control device, such that the light source may be controlled by the remote control device,

wherein the lighting load is located inside the housing such that a light emitting portion of the lighting load is enclosed
by the intermediate portion and the end portion, and

wherein the housing is configured to shine light that is emitted by the lighting load through the end portion of the housing.

US Pat. No. 9,635,726

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an intensity of a lighting load, the load control device comprising:
a load regulation circuit configured to control a magnitude of a load current conducted through the lighting load, the load
regulation circuit including a regulation transistor adapted to be coupled in series with the lighting load; and

a control circuit operatively coupled to the regulation transistor of the load regulation circuit for pulse width modulating
or pulse frequency modulating the regulation transistor to control the intensity of the lighting load to a target intensity;

wherein the control circuit is configured to control the intensity of the lighting load by pulse width modulating the regulation
transistor when the target intensity is above a predetermined threshold and control the intensity of the lighting load by
pulse frequency modulating the regulation transistor when the target intensity is below the predetermined threshold.

US Pat. No. 9,795,019

METHOD AND APPARATUS FOR DETERMINING A TARGET LIGHT INTENSITY FROM A PHASE-CONTROL SIGNAL

Lutron Electronics Co., I...

1. A circuit for controlling an intensity level of a lighting load, the circuit configured to receive a phase-control voltage
characterized by a duty cycle, the circuit comprising:
a load regulation circuit adapted to be coupled to the lighting load for control of the intensity level of the lighting load;
and

a control circuit configured to determine a target intensity level for the lighting load in response to the duty cycle of
the phase-control voltage, the control circuit configured to receive an actual-intensity signal representative of an actual
intensity level of the lighting load, the control circuit configured to control the load regulation circuit to adjust the
actual intensity level of the lighting load towards the target intensity level;

wherein the control circuit is configured to adjust the target intensity level for the lighting load using a first time constant
in response to changes in the duty cycle of the phase-control voltage that are less than a threshold amount, and to adjust
the target intensity level of the lighting load using a second time constant less than the first time constant in response
to changes in the duty cycle of the phase-control voltage that are greater than the threshold amount.

US Pat. No. 9,655,177

FORWARD CONVERTER HAVING A PRIMARY-SIDE CURRENT SENSE CIRCUIT

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling the amount of power delivered to an electrical load, the load control device comprising:
an isolated forward converter configured to receive a bus voltage and to conduct a load current through the electrical load,
the forward converter comprising a transformer that has a primary winding coupled in series with a first semiconductor switch
and a secondary winding adapted to supply current to the electrical load, the forward converter further comprising a half-bridge
inverter comprising the first semiconductor switch and a second semiconductor switch coupled in series across the bus voltage
to generate an inverter voltage at a junction of the two semiconductor switches, the junction of the two semiconductor switches
coupled to the primary winding of the transformer through a capacitor to cause a primary voltage across the primary winding
to have a positive polarity when the first semiconductor switch is conductive and a negative polarity when the second semiconductor
switch is conductive, the transformer configured to transfer power to the secondary winding when either of the semiconductor
switches is conductive;

a controller configured to control the first semiconductor switch of the forward converter to control the load current conducted
through the electrical load; and

a current sense circuit configured to receive a sense voltage representative of a magnitude of a primary current conducted
through the primary winding, the current sense circuit comprising an averaging circuit configured to average the sense voltage
when the first semiconductor switch of the forward converter is conductive to generate a load current control signal that
is representative of a real component of the primary current.

US Pat. No. 9,565,742

BATTERY-POWERED RETROFIT REMOTE CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A remote control device configured to be mounted over an installed light switch, the light switch having a mechanical toggle
actuator that extends through a faceplate of the light switch, the toggle actuator configured to control whether power is
delivered to an electrical load, the remote control device comprising:
a rotating portion;
a base portion to which the rotating portion is operably coupled such that the rotating portion is rotatable around the base
portion, the base portion configured to receive a portion of the toggle actuator when the remote control device is mounted
over the light switch;

a wireless communication circuit; and
a control circuit operably coupled to the rotating portion and communicatively coupled to the wireless communication circuit,
the control circuit is configured to translate a force applied to the rotating portion into a control signal that causes an
adjustment of an amount of power delivered to the electrical load, and to cause the wireless communication circuit to transmit
the control signal.

US Pat. No. 9,538,618

DIGITAL LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION VIA EXISTING POWER WIRING

LUTRON ELECTRONICS CO., I...

1. A controller for use in a load control system for controlling the power delivered from an AC power source to an electrical
load, the controller comprising:
a controllably conductive device adapted to be coupled in series electrical connection on a power wiring between the AC power
source and a power device of the load control system;

a control circuit coupled to the controllably conductive device for rendering the controllably conductive device conductive
each half-cycle of the AC power source to generate a phase-control voltage, the control circuit being operable to transmit
a forward digital message to the power device by encoding digital information in timing edges of the phase-control voltage;

a reverse receiving circuit coupled in parallel electrical connection with the controllably conductive device;
wherein the control circuit is operatively coupled to the reverse receiving circuit for receiving a reverse digital message
from the power device via the power wiring, wherein a controller voltage is generated across the reverse receiving circuit,
and the control circuit is operable to receive a bit of the reverse digital message by monitoring a magnitude of the controller
voltage prior to rendering the controllably conductive device conductive during a half-cycle of the AC power source;

wherein the control circuit is operable to render the controllably conductive device conductive to generate a first timing
edge at a predetermined reference edge time during a first half-cycle of each data pattern of the reverse digital message,
wherein a window time period exists during a second half-cycle of the data pattern after a zero-crossing of the second half-cycle,
a beginning of the window time period being approximately one half-cycle duration after the predetermined reference edge time,
and

wherein the control circuit is operable to monitor the magnitude of the controller voltage during the window time period to
receive the bit of the reverse digital message.

US Pat. No. 10,009,969

AUTOMATIC CONFIGURATION OF A LOAD CONTROL SYSTEM

Lutron Electronics Co., I...

1. A control module for controlling a light emitting diode (LED) driver configured to be powered from a power source, the LED driver configured to control an LED light source, the control module comprising:a control connection for providing a plurality of control signals in accordance with respective control techniques to the LED driver, the control techniques comprising one or more analog control techniques and one or more digital control techniques; and
a control circuit configured to sequentially generate the plurality of control signals at the control connection according to the control techniques and determine if the LED driver is responsive to at least one of the control techniques.

US Pat. No. 9,609,704

LOAD CONTROL DEVICE HAVING STUCK RELAY DETECTION

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling power delivered from an AC power source to an electrical device, the load control
device comprising:
a first electrical connection adapted to be electrically coupled to the AC power source;
a second electrical connection adapted to be electrically coupled to the electrical device;
a relay electrically coupled between the first and second electrical connections and configured to control the power delivered
from the AC power source to the electrical device so as to generate a switched-hot voltage at the second electrical connection;

a detect circuit electrically coupled to the second electrical connection and configured to generate a detect signal indicating
a magnitude of the switched-hot voltage;

a control circuit configured to generate a drive signal for attempting to open and close the relay, configured to monitor
the detect signal, and configured to determine whether the relay is open or closed based on the detect signal;
wherein the control circuit is further configured to perform a stuck closed procedure in response to determining that the
relay is stuck closed, the stuck closed procedure comprising the control circuit attempting to close the relay, attempting
to open the relay, monitoring the detect signal, and determining whether the relay is stuck closed.

US Pat. No. 9,578,700

CONTROLLABLE-LOAD CIRCUIT FOR USE WITH A LOAD CONTROL DEVICE

Lutron Electronics Co., I...

1. A load control device for controlling the power delivered from an AC power source to an electrical load, the load control
device adapted to be coupled to the AC power source through a dimmer switch, the load control device comprising:
a load control circuit adapted to be coupled to the electrical load for controlling the power delivered to the electrical
load;

a control circuit coupled to the load control circuit for controlling the amount of power delivered to the electrical load
in response to a conduction period of a phase-control voltage received from the dimmer switch;

a controllable-load circuit configured to conduct a controllable-load current from the AC power source through the dimmer
switch, the controllable-load circuit configured to maintain the magnitude of the controllable-load current constant for at
least a portion of each half-cycle of the AC power source; and

a communication circuit configured to transmit and receive digital messages;
wherein the control circuit is configured to control the controllable-load circuit in response to receiving a digital message
via the communication circuit, the control circuit configured to cause the controllable-load circuit to decrease the magnitude
of the controllable-load current from an initial magnitude in a first half-cycle to a decreased magnitude in a second subsequent
half-cycle, such that the conduction period of the phase-control voltage is the same when the controllable-load current has
the initial magnitude in the first half-cycle and the decreased magnitude in the second half-cycle.

US Pat. No. 9,717,130

CONTROL DEVICE HAVING AN INTEGRAL REFLECTING STRUCTURE FOR A SENSING CIRCUIT

LUTRON ELECTRONICS CO., I...

1. A control device comprising:
a button having an indicia that is able to be illuminated;
a light source that is configured to illuminate the indicia of the button;
a light detector circuit that is configured to measure a light level of ambient light that is external relative to the control
device;

a control circuit that is configured to, responsive to an actuation of the button, cause the light source to illuminate the
indicia of the button in accordance with the measured light level;

a faceplate that defines an opening that extends therethrough and that is configured to at least partially receive the button;
an adapter that is configured to be mounted to a structure, the adapter including an outer wall that defines an aperture through
which the light detector circuit receives the ambient light; and

an enclosure that houses the light detector circuit, the enclosure including an integral reflector that is configured to direct
the ambient light that is received through the aperture to the light detector circuit,

wherein the adapter and the faceplate are configured such that the faceplate is removably attachable to the adapter.

US Pat. No. 9,699,864

WIRELESS CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A wall-mountable wireless control device comprising:
a yoke configured to mount the control device to an electrical wallbox;
a faceplate assembly configured to be attached to the yoke for covering an opening of the wallbox;
a slot antenna configured to transmit or receive radio-frequency signals;
a radio-frequency communication circuit configured to transmit or receive the radio-frequency signals via the slot antenna;
and

a control circuit responsive to the radio-frequency communication circuit;
wherein the faceplate assembly comprises a conductive element that is configured to operate as a radiating element of the
slot antenna when the faceplate assembly is attached to the yoke.

US Pat. No. 9,611,689

MOTORIZED SHEER SHADING SYSTEM

LUTRON ELECTRONICS CO., I...

1. A motorized sheer shading system comprising:
a housing;
a roller tube that is rotatably mounted to the housing;
a sheer shade material that is windingly attached to the roller tube, the sheer shade material including a first sheer fabric,
a second sheer fabric that is spaced from the first sheer fabric, and a plurality of vanes that are pivotally attached to
the first and second sheer fabrics;

a motor that is operatively coupled to the roller tube; and
a control system that is configured to:
upon receiving an open command that is indicative of actuation of a first button of a remote control device that is associated
with the motorized sheer shade system, cause the motor to move the sheer shade material to an open position in which a portion
of the sheer shade material is wound about the roller tube;

upon receiving a close command that is indicative of actuation of a second button of the remote control device, cause the
motor to move the sheer shade material to a closed position in which the sheer shade material at least partially covers an
opening and impedes visualization therethrough;

upon receiving a view command that is indicative of actuation of a third button of the remote control device, cause the motor
to move the sheer shade material to a view position in which the sheer shade material at least partially covers the opening
and permits visualization therethrough;

upon receiving a raise command that is indicative of actuation of a fourth button of the remote control device, cause the
motor to move the sheer shade material from the view position toward the closed position while the fourth button is continuously
depressed, or to move the sheer shade material from the closed position toward the open position while the fourth button is
continuously depressed;

upon receiving a lower command that is indicative of actuation of a fifth button of the remote control device, cause the motor
to move the sheer shade material from the open position toward the closed position while the fifth button is continuously
depressed, or to move the sheer shade material from the closed position toward the view position while the fifth button is
continuously depressed; and

when the sheer shade material moves between the view position and the closed position toward the closed position, cause the
motor to stop moving the sheer shade material once the sheer shade material reaches the closed position if the fourth button
is still actuated.

US Pat. No. 10,143,068

CONTROLLING LIGHT INTENSITY AT A LOCATION

LUTRON ELECTRONICS CO., I...

1. A remote control device for use with a lighting control device that is configured to control light intensity, the remote control device comprising:a user interface that is configured to receive an input that is indicative of a desired light intensity;
a light detector that is configured to perform a measurement of an ambient light intensity at the remote control device in response to receipt of the input;
a wireless communication circuit; and
a control circuit that is configured to cause the wireless communication circuit to transmit a message to the lighting control device based on the measurement of the ambient light intensity and on a location of the remote control device, wherein the message causes the ambient light intensity at the remote control device to be adjusted towards the desired light intensity.

US Pat. No. 9,743,489

AUTOMATIC CONFIGURATION OF A LOAD CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling power delivered from a power source to a lighting load, the load control system comprising:
a daylight sensor configured to transmit a first message;
a remote control configured to transmit a second message; and
a load control device adapted to be electrically coupled in series between the power source and the lighting load, the load
control device configured to be associated with at least one of the daylight sensor and the remote control;

wherein the load control device is configured to automatically operate in a first mode of operation if the daylight sensor
is associated with the load control device and the remote control is not associated with the load control device, and automatically
operate in a second mode of operation if the daylight sensor and the remote control are associated with the load control device;

the first mode of operation characterized by the load control device being configured to turn the lighting load on and off
in response to the first message transmitted by the daylight sensor; and

the second mode of operation characterized by the load control device being configured to turn the lighting load off in response
to the first message transmitted by the daylight sensor, but not turn the lighting load on in response to the first message
transmitted by the daylight sensor, and the load control device being operable to turn the lighting load on in response to
the second message transmitted by the remote control.

US Pat. No. 9,568,356

SENSOR HAVING A ROTATABLE ENCLOSURE

Lutron Electronics Co., I...

1. A sensor adapted to be mounted to a surface, the sensor comprising: a photosensitive circuit for measuring a light intensity;
a base portion configured to be mounted to the surface, the base portion comprising a rear surface and a cylindrical wall
configured to be connected to the rear surface, the wall having a channel located adjacent to the rear surface and formed
by a plurality of tabs on the cylindrical wall surrounding a circumference of the base portion with gaps formed between the
tabs; and a cover portion configured to be connected to the base portion, the cover portion comprising at least one snap captured
in the channel and configured to move angularly through the channel to allow for rotation of the cover portion with respect
to the base portion; wherein the cover portion comprises a post extending perpendicularly towards the cylindrical wall of
the base portion, the post configured to be received in detents formed in the cylindrical wall of the base portion to allow
for rotation of the cover portion with respect to the base portion to a plurality of discrete positions; and wherein the detents
are formed in each of the tabs of the base portion.

US Pat. No. 9,565,731

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered to an electrical load, the load control device comprising:
a load regulation circuit configured to control a magnitude of a load current conducted through the electrical load to control
the amount of power delivered to the electrical load, the load regulation circuit comprising an inverter circuit; and

a control circuit coupled to the load regulation circuit and configured to regulate an average magnitude of the load current,
the control circuit configured to control the inverter circuit to operate in active state periods during which the inverter
circuit is active and in inactive state periods during which the inverter circuit is inactive, the control circuit further
configured to operate in a normal mode and a burst mode, the burst mode characterized by a plurality of burst mode periods
each comprising one of the active state periods and one of the inactive state periods,

wherein, during the normal mode, the control circuit is configured to regulate the average magnitude of the load current by
holding a length of the active state periods and a length of the inactive state periods constant, and adjusting a target load
current conducted through the electrical load, and

wherein, during the burst mode, the control circuit is configured to adjust the average magnitude of the load current by adjusting
the length of the inactive state periods while holding the length of the active state periods constant in at least some of
the burst mode periods.

US Pat. No. 9,538,600

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. An LED driver for controlling an intensity of an LED light source, the LED driver comprising:
an LED drive circuit configured to conduct a load current through the LED light source and to control the intensity of the
LED light source;

a current sense circuit configured to provide a load current feedback signal that indicates a magnitude of the load current;
and

a control circuit configured to generate at least one drive signal for controlling the LED drive circuit to adjust an average
magnitude of the load current, the control circuit configured to adjust an operational characteristic of the at least one
drive signal in response to the load current feedback signal in order to control the intensity of the LED light source towards
a target intensity, wherein the control circuit is configured to operate in a normal mode to regulate the average magnitude
of the load current towards a target load current that ranges from a maximum rated current to a minimum rated current, the
control circuit further configured to operate in a burst mode to regulate the average magnitude of the load current below
the minimum rated current;

wherein, during the burst mode, the control circuit is configured to control the LED drive circuit in an active state during
a first time period in which the control circuit adjusts the operational characteristic of the at least one drive signal to
regulate a peak magnitude of the load current towards approximately the minimum rated current in response to the load current
feedback signal, the control circuit further configured to control the LED drive circuit in an inactive state during a second
time period in which the control circuit stops generating the at least one drive signal and maintains the operational characteristic
of the at least one drive signal constant, such that the average magnitude of the load current is less than the minimum rated
current.

US Pat. No. 9,814,112

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Electronics Co., I...

1. A load control device for controlling an intensity of a lighting load, the load control device comprising:
a load regulation circuit configured to control a magnitude of a load current conducted through the lighting load, the load
regulation circuit including a regulation transistor adapted to be coupled in series with the lighting load; and

a control circuit operatively coupled to the regulation transistor of the load regulation circuit for adjusting the magnitude
of the load current to control the intensity of the lighting load to a target intensity, the control circuit configured to
generate a control signal for rendering the regulation transistor conductive and non-conductive;

wherein the control circuit is configured to control the intensity of the lighting load by maintaining a frequency of the
control signal constant and adjusting an on time of the control signal when the target intensity is above a predetermined
threshold, and adjusting the frequency of the control signal when the target intensity is below the predetermined threshold.

US Pat. No. 9,795,014

REMOTE CONTROL FOR A WIRELESS LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A remote control for a radio-frequency (RF) load control system configured to control an electrical load, the remote control
comprising:
a housing having a front surface and a rear surface, the front surface having an outer periphery defined by a length and a
width, the housing characterized by a depth between the front surface and the rear surface, the housing configured to be held
in a user's hand;

an actuator provided at the front surface of the housing;
an RF transmitter contained within the housing; and
a controller contained within the housing, the controller configured to cause the RF transmitter to transmit an RF signal
for controlling the electrical load in response to an actuation of the actuator when the housing is held in the user's hand,
the RF transmitter and the controller adapted to be powered by a battery contained within a volume defined by the length and
the width of the front surface and the depth of the housing;

wherein the outer periphery of the front surface of the housing is configured to be received within a standard opening in
a plane of a front surface of a faceplate in such a way that an entirety of the front surface of the housing is exposed through
the opening in the plane of the front surface of the faceplate when the faceplate is mounted to a substantially vertical surface
and the housing is received within the opening in the plane of the front surface of the faceplate, the controller configured
to transmit an RF signal for controlling the electrical load in response to an actuation of the actuator when the faceplate
is mounted to the vertical surface and the housing is received in the opening in the plane of the front surface of the faceplate.

US Pat. No. 9,980,335

CONTROL DEVICE HAVING BUTTONS WITH MULTIPLE-LEVEL BACKLIGHTING

LUTRON ELECTRONICS CO., I...

1. A control device comprising:a first button, a second button, and a third button;
a first light source, a second light source, and a third light source, wherein the first, second, and third light sources are configured to illuminate at least a portion of a respective one of the first, second, and third buttons; and
a control circuit responsive to actuations of the first, second, and third buttons, and electrically coupled to the first, second, and third light sources, the control circuit configured to:
illuminate the first light source to a first source illumination intensity to illuminate the first button to approximately a first surface illumination intensity;
illuminate the third light source to a second source illumination intensity to illuminate the third button to approximately a second surface illumination intensity, where the second source illumination intensity is less than the first source illumination intensity and the second surface illumination intensity is less than the first surface illumination intensity; and
illuminate the second light source to a third source illumination intensity to illuminate the second button to approximately the second surface illumination intensity;
wherein the second source illumination intensity is greater than the third source illumination intensity in part because the second button is closer than the third button to indicia on the first button.

US Pat. No. 9,736,911

DIGITAL LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION VIA EXISTING POWER WIRING

LUTRON ELECTRONICS CO. IN...

1. A load control system for controlling an electrical load receiving power from an AC power source, the load control system
comprising:
a load control device for controlling the electrical load; and
a controller adapted to be coupled in series electrical connection between the AC power source and the load control device
to conduct a load current from the AC power source to the electrical load, the controller operable to produce a phase-control
voltage is adapted to be received by the load control device, wherein the phase-control voltage comprises an AC voltage that
is characterized by a conduction period for a portion of each half-cycle;

wherein the controller is operable to transmit a digital message to the load control device for controlling the load by encoding
digital information in timing edges of the phase-control voltage, the phase-control voltage having at least one timing edge
in each half-cycle of the AC power source when the controller is transmitting the digital message to the load control device.

US Pat. No. 9,699,871

STATE CHANGE DEVICES FOR SWITCHED ELECTRICAL RECEPTACLES

LUTRON ELECTRONICS CO., I...

1. A device that is configured to be electrically connected to a switched alternating current (AC) receptacle, the device
comprising:
a sensing circuit that detects whether power is present at the switched receptacle;
a receptacle that is housed in the device and that is configured to receive an electrical component and to place the electrical
component in electrical communication with the switched receptacle;

a controller that is communicatively coupled to the sensing circuit and that is configured to generate a signal that is indicative
of a change of state of power being supplied at the switched receptacle; and

a communication circuit that is configured for wireless communication,
wherein the controller causes the communication circuit to transmit the signal to one or more associated devices.

US Pat. No. 9,674,933

TWO-WIRE DIMMER WITH IMPROVED ZERO-CROSS DETENTION

LUTRON ELECTRONICS CO., I...

1. A lighting control device comprising:
a controllably conductive device configured to supply an AC line voltage to a load in response to a drive signal, wherein
the controllably conductive device is non-conductive for a first duration of time and is conductive for a second duration
of time, wherein the first duration of time and the second duration of time are within the same half-cycle of the AC line
voltage;

a control circuit configured to:
receive a signal from the controllably conductive device during the first duration of time;
generate a fill signal during the second duration of time; and
filter the signal from the controllably conductive device during the first duration of time and the fill signal during the
second duration of time;

wherein a delay associated with filtering the signal from the controllably conductive device during the first duration of
time and filtering the fill signal during the second duration of time is consistent with a delay associated with filtering
the AC line voltage.

US Pat. No. 9,598,901

QUIET MOTORIZED WINDOW TREATMENT SYSTEM

LUTRON ELECTRONICS CO., I...

1. A motorized window treatment system comprising:
an elongate roller tube defining a longitudinal axis;
a covering material windingly attached to the roller tube; and
a drive assembly that is operatively coupled to the roller tube for rotating the roller tube about the longitudinal axis,
the drive assembly including:

a motor having a drive shaft that extends parallel to the longitudinal axis and defines a drive shaft rotational axis, the
drive shaft defining a distal end that is spaced from the motor, wherein the drive shaft defines a drive shaft diameter;

a drive gear that is attached to the distal end of the drive shaft, the drive gear having a toothed portion adapted to rotate
about the drive shaft rotational axis, wherein the toothed portion of the drive gear is spaced from the distal end of the
drive shaft along the drive shaft rotational axis and defines a root diameter that is less than the drive shaft diameter,
and wherein the drive gear defines a channel that receives the distal end of the drive shaft; and

a gear assembly operatively coupled to the toothed portion of the drive gear and operatively coupled to the roller tube such
that actuation of the motor causes the drive gear to rotate the roller tube about the longitudinal axis.

US Pat. No. 10,143,071

LOAD CONTROL SYSTEM FOR CONTROLLING ELECTRICAL LOADS IN RESPONSE TO STATE CHANGE INFORMATION

Lutron Electronics Co., I...

1. A load control system for controlling an amount of power delivered to a plurality of lighting loads, the plurality of lighting loads including a first lighting load and a second lighting load, the load control system comprising:a load control device configured to control the amount of power provided to the first lighting load; and
a master device configured to:
determine an on/off state of the plurality of lighting loads;
store the on/off state of the plurality of lighting loads;
receive an indication to change the on/off state of at least one of the first or second lighting loads;
determine, from the previously stored on/off state of the plurality of lighting loads, that the on/off state of the first lighting load and the second lighting load are out of synchronization; and
transmit, to the load control device, a command that is configured to synchronize the on/off state of the first lighting load and the second lighting load.

US Pat. No. 9,848,479

FACEPLATE REMOTE CONTROL DEVICE FOR USE IN A LOAD CONTROL SYSTEM

Lutron Electronics Co., I...

1. A faceplate remote control device comprising:
a housing that is configured to be attached to a wall-mounted light switch, the housing defining an opening that permits a
toggle actuator of the wall-mounted light switch to protrude through the opening such that the toggle actuator is operable;

a toggle indicator that is supported by the housing, and that is configured to cause the generation of a first indication
when the toggle actuator is operated into a first position; and

a wireless communication circuit that is configured to transmit a message that is based on the first indication.

US Pat. No. 9,807,856

DIGITAL LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION VIA EXISTING POWER WIRING

Lutron Electronics Co., I...

1. A load control system comprising:
a power device adapted to receive power from an AC power source via a power wiring; and
a controller adapted to be coupled in series electrical connection on the power wiring between the AC power source and the
power device, the controller configured to produce a phase-control voltage that is adapted to be received by the power device,
the controller configured to transmit a forward digital message to the power device by encoding digital information in timing
edges of the phase-control voltage;

wherein the power device is configured to transmit a reverse digital message to the controller via the power wiring; and
wherein the controller is configured to transmit a short pattern prior to the power device transmitting the reverse digital
message, the short pattern allowing the power device to synchronize to a line frequency of the AC power source, wherein the
short pattern has a length less than a length of the forward digital message.

US Pat. No. 9,699,863

MULTIPLE LOCATION LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A multiple location load control system for controlling an amount of power delivered to an electrical load from an AC power
source, the load control system comprising:
a main load control device comprising a first main terminal, a second main terminal, and an accessory terminal, the main load
control device adapted to be coupled in series electrical connection between the AC power source and the electrical load for
control of the amount of power delivered to the electrical load, the main load control device configured to conduct a load
current from the AC power source to the electrical load via the first and second main terminals; and

a remote load control device adapted to be coupled between the first main terminal and the accessory terminal of the main
load control device or between the second main terminal and the accessory terminal of the main load control device, the remote
load control device adapted to be coupled to the accessory terminal of the main load control device via an accessory wiring,
the remote load control device comprising a power supply;

wherein the main load control device is configured to control the accessory wiring using tri-state logic, the main load control
device configured to enable a charging path to allow the power supply of the remote load control device to charge through
the accessory wiring during a first time period of a half-cycle of the AC power source, the main load control device and the
remote load control device configured to communicate with each other via the accessory wiring during a second time period
of the half-cycle of the AC power source;

wherein the main load control device comprises a first switching circuit operably coupled between the AC power source and
the accessory wiring for conducting a charging current from the AC power source to the power supply of the remote load control
device; and

wherein the main load control device further comprises a second switching circuit operably coupled between the accessory wiring
and a circuit common.

US Pat. No. 9,685,783

CONTROLLABLE ELECTRICAL OUTLET WITH A CONTROLLED WIRED OUTPUT

LUTRON ELECTRONICS CO., I...

1. A controllable electrical outlet for use in a load control system which also has at least one standard electrical outlet,
the load control system adapted to receive power from a power source, the controllable electrical outlet comprising:
an electrical receptacle configured to receive a plug of a plug-in electrical load;
a first electrical connection configured to be electrically coupled to the power source to receive a hot voltage to power
the plug-in electrical load;

a second electrical connection configured to be electrically coupled to the standard electrical outlet;
a load control circuit electrically coupled in series between the first and second electrical connections to control power
delivered to the standard electrical outlet;

a communication circuit configured to receive a digital message; and
a digital control circuit coupled to the load control circuit and the communication circuit to control power delivered to
the standard electrical outlet in response to the digital message received via the communication circuit.

US Pat. No. 9,655,180

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered to an electrical load, the load control device comprising:
a load regulation circuit configured to control a magnitude of a load current conducted through the electrical load to control
the amount of power delivered to the electrical load, the load regulation circuit comprising an inverter circuit characterized
by an operating period and a duty cycle; and

a control circuit coupled to the load regulation circuit and configured to control an average magnitude of the load current,
the control circuit configured to operate in a normal mode and a burst mode, the burst mode comprising an active state during
an active state period of a burst mode period and an inactive state during an inactive state period of the burst mode period;

wherein, during the normal mode, the control circuit is configured to regulate the average magnitude of the load current towards
a target load current by adjusting an on time of the inverter circuit; and

wherein, during the burst mode, the control circuit is configured to adjust the operating period of the inverter circuit to
a low-end operating period by adjusting the on time of the inverter circuit to a value less than or equal to a minimum on
time while holding the duty cycle of the inverter circuit constant, the control circuit further configured to regulate the
average magnitude of the load current towards the target load current by adjusting a length of the active state period and
a length of the inactive state period.

US Pat. No. 9,590,453

CONFIGURING COMMUNICATIONS FOR A LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

13. A load control system configured to coordinate load control messages between control devices and load control devices,
wherein the control devices are configured to send the load control messages to the load control devices to control an amount
of power provided to an electrical load, and wherein the load control devices are configured to directly control the amount
of power provided to the electrical load based on the load control messages, the load control system comprising:
a first group controller for a first load control group configured to:
receive, via a first wireless communication channel, a first load control message from a control device in the first load
control group,

determine load control instructions for a load control device in the first load control group based on the first load control
message received from the control device in the first load control group, and

transmit, via the first wireless communication channel, the load control instructions to the load control device in the first
load control group; and

a second group controller for a second load control group configured to:
receive, via a second wireless communication channel, a second load control message from a control device in the second load
control group, wherein the control device in the second load control group is a same type of control device as the control
device in the first load control group, wherein the second load control message from the control device in the second load
control group is capable of causing interference with the first load control message from the control device in the first
load control group if sent on the first wireless communication channel,

determine load control instructions for a load control device in the second load control group based on the second load control
message received from the control device in the second load control group, and

transmit, via the second wireless communication channel, the load control instructions to the load control device in the second
load control group.

US Pat. No. 9,559,505

MULTI-GANG FACEPLATE ASSEMBLY FOR LOAD CONTROL DEVICES

LUTRON ELECTRONICS CO., I...

1. A faceplate assembly for a wall-mounted electrical device, the faceplate assembly comprising:
an adapter plate configured to be attached to the wall-mounted electrical device, the adapter plate defining a first opening
that is configured to permit a front surface of a portion of the wall-mounted electrical device to protrude through the adapter
plate;

a faceplate configured to be removably attached to the adapter plate, the faceplate defining a second opening that is configured
to permit the front surface of the portion of the wall-mounted electrical device to protrude through the faceplate; and

an insert element configured to be removably attached to the adapter plate, the insert element defining a third opening that
is configured to permit the front surface of the portion of the wall-mounted electrical device to protrude through the insert
element, and the insert element configured to adjust a distance that the front surface of the portion of the wall-mounted
electrical device extends beyond a front surface of the faceplate.

US Pat. No. 9,538,603

SYSTEMS AND METHODS FOR CONTROLLING COLOR TEMPERATURE

LUTRON ELECTRONICS CO., I...

1. A method for automated control of color temperature, the method comprising:
receiving information that comprises data related to a power source;
determining a color temperature value for a controllable-color-temperature lighting load (CCTLL) of a plurality of CCTLLs
based on the information that comprises the data related to the power source, wherein the data related to the power source
indicates whether the CCTLL is powered by an emergency power source; and

controlling the CCTLL in order to operate the CCTLL at the color temperature value, wherein the CCTLL is controlled to a higher
color temperature value if the CCTLL is determined to be powered by the emergency power source and a lower color temperature
value if the CCTLL is determined to be powered by a power source other than the emergency power source.

US Pat. No. 9,668,315

SYSTEMS AND METHODS FOR CONTROLLING COLOR TEMPERATURE

LUTRON ELECTRONICS CO., I...

1. A method for automated control of a plurality of lighting loads, each lighting load installed in one of a plurality of
spaces, the method comprising:
identifying a first inferred use of a first space of the plurality of spaces;
identifying a second inferred use of a second space of the plurality of spaces; and
generating a command configured to cause a cooler lighting effect for the first space based on the first inferred use;
generating a command configured to cause a warmer lighting effect for the second space based on the second inferred use;
automatically controlling the plurality of lighting loads to maintain the cooler lighting effect in the first space based
on the command configured to cause the cooler lighting effect for the first space; and

automatically controlling the plurality of lighting loads to maintain the warmer lighting effect in the second space based
on the command configured to cause the warmer lighting effect for the second space.

US Pat. No. 9,605,478

MOTORIZED WINDOW TREATMENT

Lutron Electronics Co., I...

1. A motorized window treatment comprising:
a headrail having first and second opposite ends;
a covering material having a top end connected to the headrail, the covering material extending from the headrail to a bottom
end;

a motor drive unit including a motor and located in the center of the headrail;
two drive shafts extending from both sides of the motor drive unit and rotatably coupled to the motor drive unit thereby allowing
rotations of the motor to result in rotations of the drive shafts;

first and second lift cords, the first lift cord located proximate to the first opposite end of the headrail and the second
lift cord located proximate to the second opposite end of the headrail, each lift cord rotatably received around a respective
one of the drive shafts and extending vertically to the bottom end of the covering material; and

at least a first compartment and a second compartment configured to hold respective first and second batteries for powering
the motor drive unit, the first and second compartments located on each side of the motor drive unit, the first compartment
located between the first opposite end of the headrail and the first lift cord, and the second compartment located between
the second opposite end of the headrail and the second lift cord;

wherein the motor drive unit is configured to rotate the drive shaft to adjust the bottom end of the covering material between
a fully-closed position and a fully-open position in response to rotations of the drive shaft, the motor drive unit further
configured to receive radio-frequency (RF) signals and to control the motor in response to the received RF signals.

US Pat. No. 10,136,549

FAN SPEED CONTROL DEVICE

Lutron Electronics Co., I...

1. A ceiling fan in a space, comprising:a motor drive circuit configured to control a rotational speed of a motor of the ceiling fan;
an occupancy sensing circuit configured to generate an occupancy signal; and
a control circuit configured to:
receive the occupancy signal from the occupancy sensing circuit;
determine a magnitude of wobbling of the ceiling fan based on an output signal;
process the received occupancy signal with the output signal to eliminate noise from the wobbling of the ceiling fan on the received occupancy signal;
detect an occupancy condition or a vacancy condition in the space in response to the processed occupancy signal; and
control the motor drive circuit to adjust the rotational speed of the motor of the ceiling fan in response to the detected occupancy or vacancy condition.

US Pat. No. 9,999,115

DIGITAL CONTROL SYSTEM PROVIDING POWER AND COMMUNICATIONS VIA EXISTING POWER WIRING

Lutron Electronics Co., I...

1. A load control system comprising:a power device adapted to receive power from a power source via an electrical wiring; and
a controller adapted to be coupled on the electrical wiring between the power source and the power device, the controller configured to produce a periodic voltage that is adapted to be received by the power device, the controller configured to transmit a forward digital message to the power device by encoding digital information in timing edges of the periodic voltage;
wherein the power device is configured to transmit a reverse digital message to the controller via the electrical wiring; and
wherein the controller is configured to transmit a short pattern immediately prior to the power device transmitting the reverse digital message, the short pattern allowing the power device to synchronize to a frequency of the periodic voltage, and
wherein the short pattern has a length shorter than a length of the forward digital message.

US Pat. No. 10,098,206

RADIO-FREQUENCY LIGHTING CONTROL SYSTEM WITH OCCUPANCY SENSING

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load provided in a space, the load control device comprising:a controllably conductive device adapted to be electrically coupled in series between the AC power source and the electrical load to control the power delivered to the electrical load;
a wireless receiver configured to receive wireless control signals from at least two occupancy sensors, each of the wireless control signals received from the occupancy sensors comprising one of an occupied wireless control signal indicating an occupancy condition in the space and a vacant wireless control signal indicating a vacancy condition in the space, the vacant wireless control signal being generated in response to occupancy in the space not being detected for a time period;
a controller configured to control the controllably conductive device to control the power delivered to the electrical load in response to the wireless control signals received by the wireless receiver, the controller configured to determine whether an occupied wireless control signal or a vacant wireless control signal has been received from each of the occupancy sensors; and
a memory configured to store unique identifiers of each of the occupancy sensors, the controller configured to mark as occupied in the memory the unique identifiers of the occupancy sensors from which occupied wireless control signals are received and to mark as vacant in the memory the unique identifiers of the occupancy sensors from which vacant wireless control signals are received;
wherein the controller is configured to enable delivery of power to the electrical load when the unique identifier for at least one of the occupancy sensors is marked as occupied and cease the delivery of power to the electrical load when the unique identifiers of all of the occupancy sensors are marked as vacant, the controller storing in the memory the status of the unique identifier of each of the occupancy sensors as either occupied or vacant so that the controller does not disable the delivery of power to the electrical load in response to vacant wireless control signals received from the occupancy sensors when at least one of the unique identifiers is marked as occupied.

US Pat. No. 9,553,451

LOAD CONTROL SYSTEM HAVING INDEPENDENTLY-CONTROLLED UNITS RESPONSIVE TO A BROADCAST CONTROLLER

Lutron Electronics Co., I...

1. A load control system for controlling a plurality of electrical loads, the load control system comprising:
a plurality of independent units, each independent unit comprising at least one commander and at least one energy controller
configured to control at least one of the electrical loads in response to a control signal received from the at least one
commander, the independent units configured and operating independent of each other; and

a broadcast controller configured to enter an association mode and to receive a first digital message including a serial number
of a first energy controller while in the association mode, the broadcast controller configured to subsequently receive a
second digital message from the first energy controller while in the association mode, the second digital message including
a serial number of a first commander to which the first energy controller is responsive, the broadcast controller configured
to associate the first energy controller with the broadcast controller, the broadcast controller configured to transmit wireless
signals to the energy controllers of the independent units;

wherein the energy controllers are configured to ignore control signals received from the commanders of other independent
units, and the energy controllers of each of the plurality of independent units are configured to respond to the wireless
signals transmitted by the broadcast controller.

US Pat. No. 10,123,402

FACEPLATE REMOTE CONTROL DEVICE FOR USE IN A LOAD CONTROL SYSTEM

Lutron Electronics Co., I...

1. A faceplate remote control device comprising:a housing that defines an opening that is configured to receive a toggle actuator of a light switch;
a user interface that is configured to receive an input from a user of the faceplate remote control device; and
a wireless communication circuit that is configured to transmit a message in response to receiving the input at the user interface.

US Pat. No. 9,745,796

BATTERY-POWERED MOTORIZED WINDOW TREATMENT HAVING A SERVICE POSITION

LUTRON ELECTRONICS CO., I...

1. A method of providing access to at least one battery of a motorized window treatment, the motorized window treatment adapted
to be mounted to a surface and having a covering material adapted to hang from a headrail to cover at least a portion of an
opening, the method comprising:
coupling the headrail to the surface;
holding the headrail of the motorized window treatment in a locked position in which the covering material is adjustable between
a fully-open position and a fully-closed position; and

rotating the headrail from the locked position into a service position in which access is provided to a top side of the headrail
to provide access through the top side to the at least one battery located inside of the headrail, the headrail remaining
coupled to the surface when the motorized window treatment is in the service position.

US Pat. No. 9,826,604

STATE CHANGE DEVICES FOR SWITCHED ELECTRICAL RECEPTACLES

Lutron Electronics Co., I...

1. A device configured to be electrically connected to a switched receptacle, the device comprising:
a sensing circuit configured to detect whether power is present at the switched receptacle;
a controller responsive to the sensing circuit; and
a communication circuit configured for wireless communication,
wherein the controller is configured to cause the communication circuit to transmit a signal indicative of a change of state
of power at the switched receptacle in response to the sensing circuit.

US Pat. No. 9,763,303

KEYPAD INTERFACE FOR PROGRAMMING A LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A control device for use in a load control system having a first load control device and a second load control device configured
to control power delivered to a first electrical load and a second electrical load, respectively, the control device comprising:
a programming user interface having a programming button configured to be actuated by a user;
a communication circuit configured to transmit digital messages to the first load control device and the second load control
device via a digital communication link; and

a control circuit responsive to actuations of the programming button, the control circuit configured to select at least one
of the first load control device and the second load control device in response to successive actuations of the programming
button;

wherein the control circuit is configured to cause the communication circuit to transmit programming information to the at
least one of the first load control device and the second load control device selected in response to the successive actuations
of the programming button, wherein the programming information indicates the at least one of the first load control device
and the second load control device that are responsive to a digital message transmitted on the digital communication link.

US Pat. No. 9,670,725

METHOD OF AUTOMATICALLY CONTROLLING MOTORIZED WINDOW TREATMENTS

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling an amount of daylight entering a space of a building through at least one window
of a non-linear façade of the building, the non-linear façade characterized by at least two distinct façade angles, the load
control system comprising:
at least two motorized window treatments located along the non-linear façade for controlling the amount of daylight entering
the space; and

a system controller configured to transmit digital commands to the at least two motorized window treatments for controlling
the at least two motorized window treatments, the system controller configured to:

calculate a position for the at least two motorized window treatments at each of a plurality of different times during a time
interval using the at least two distinct façade angles, the position calculated to prevent a sunlight penetration distance
from exceeding a maximum sunlight penetration distance at each of the plurality of different times during the time interval;

use the calculated positions at the plurality of different times during the time interval to determine a controlled position
to which the at least two motorized window treatments will be controlled during the time interval; and

automatically adjust the position of each of the at least two motorized window treatments to the controlled position so as
to prevent the sunlight penetration distance from exceeding the maximum sunlight penetration distance during the time interval.

US Pat. No. 9,851,735

WIRELESS LOAD CONTROL SYSTEM

Lutron Electronics Co., I...

1. An apparatus comprising:
a communication circuit configured to transmit signals;
a control circuit communicatively coupled to the communication circuit, the control circuit configured to:
maintain a time of day;
based at least in part on the maintained time of day, transmit, to a load control device, digital messages via the communication
circuit at event times of a timeclock schedule, the digital messages each including a command instructing the load control
device to control at least one electrical load according to the timeclock schedule, wherein the timeclock scheduled is stored
in a memory of the apparatus;

attempt to obtain a present time from a server in order to re-synchronize the maintained time of day;
determine that the present time is not obtainable from the server; and
when the present time is not obtainable from the server, disable the timeclock schedule, wherein to disable the timeclock
schedule comprises to not transmit digital messages to the load control device at the event times of the timeclock schedule
so that the at least one electrical load is not controlled according to the timeclock schedule; and

wherein the at least one electrical load is controlled according to the timeclock schedule when the present time is obtainable
from the server.

US Pat. No. 10,104,748

TURN-ON PROCEDURE FOR A LOAD CONTROL SYSTEM

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an electrical load, the load control device comprising:a switching circuit adapted to be electrically connected between an alternating current (AC) power source and a load regulation device for controlling an amount of power delivered to the electrical load; and
a control circuit configured to:
receive an indication of a user's presence from a sensor; and
cause the load regulation device to transition from a low power state to a ready state based on the indication of the user's presence, and wait in the ready state for a change state instruction, wherein the ready state is characterized by the load regulation device using more power than the low power state and the electrical load being unenergized.

US Pat. No. 10,041,293

METHOD OF AUTOMATICALLY CONTROLLING MOTORIZED WINDOW TREATMENTS

Lutron Electronics Co., I...

1. A load control system for controlling an amount of daylight entering a space of a building through at least one window of a non-linear facade of the building, the non-linear facade characterized by at least two distinct facade angles, the load control system comprising:at least two motorized window treatments located along the non-linear facade-for controlling the amount of daylight entering the space; and
a system controller configured to:
calculate a plurality of window treatment positions for a given time using the at least two distinct facade angles, the plurality of window treatment positions calculated to prevent a sunlight penetration distance from exceeding a defined sunlight penetration distance at the given time;
use the calculated plurality of window treatment positions for the given time to determine a controlled position to which each of the at least two motorized window treatments will be controlled; and
transmit the controlled position to the at least two motorized window treatments for adjusting a position of each of the at least two motorized window treatments; and
wherein each of the at least two motorized window treatments is configured to receive the controlled position from the system controller and to move to the controlled position so as to prevent the sunlight penetration distance from exceeding the defined sunlight penetration distance.

US Pat. No. 9,856,696

WINDOW TREATMENT CONTROL USING BRIGHT OVERRIDE

Lutron Electronics Co., I...

1. A system comprising:
a motorized window treatment configured to be positioned adjacent to a window of a room, the motorized window treatment having
at least one motor drive unit for adjusting a position of the window treatment;

a sensor for measuring a light intensity level at the window;
a controller; and
a memory having instructions stored thereon that when executed by the controller direct the controller to:
provide signals to the at least one motor drive unit to automatically adjust the position of the window treatment so as to
control a penetration distance of sunlight into the room;

store a timeclock schedule including a number of timeclock events between a start time and an end time, the timeclock events
including respective positions of the motorized window treatment at a plurality of different times between the start time
and the end time, the penetration distance controlled according to the timeclock schedule such that the penetration distance
will not exceed a sunlight penetration distance threshold at any of the plurality of different times;

determine an angle of incidence between light rays from the sun to the window and a surface normal line perpendicular to a
surface of the window;

set a bright threshold value to a first predetermined light intensity value when the determined angle of incidence is within
a first range of values, and set the bright threshold value to a second predetermined light intensity value when the determined
angle of incidence is within a second range of values, the first predetermined light intensity value being different from
the second predetermined light intensity value;

determine from the sensor a measured light intensity level;
compare the measured light intensity level to the bright threshold value;
compute a position of the window treatment using the stored timeclock schedule when the measured light intensity level is
less than the bright threshold value; and

adjust the position of the window treatment to a predetermined bright override position when the measured light intensity
level is greater than the bright threshold value.

US Pat. No. 9,810,020

MOTORIZED WINDOW TREATMENT

Lutron Electronics Co., I...

1. A motorized window treatment comprising:
a covering material;
a drive assembly configured to raise and lower the covering material;
a motor drive unit including a motor configured to drive the drive assembly to raise and lower the covering material between
a fully-open position and a fully-closed position and to any position intermediate the fully-open and fully-closed positions;
and

at least one battery pack configured to hold at least one battery for producing a battery voltage to power the motor drive
unit;

wherein the motor drive unit is configured to monitor the magnitude of the battery voltage, the motor drive unit further configured
to operate the motor at a reduced motor speed in response to the state of charge being reduced below a first predetermined
threshold.

US Pat. No. 10,123,400

WALL-MOUNTABLE WIRELESS REMOTE CONTROL DEVICE

Lutron Electronics Co., I...

1. A wall-mountable remote control device configured to control an electrical load device adapted to receive power from an AC power source, the remote control device comprising:a yoke configured to be mounted to an electrical wallbox;
an enclosure configured to connect to the yoke such that the enclosure is located inside of the electrical wallbox;
a bezel that protrudes outward from a front surface of the yoke;
an air-gap switch located in the enclosure and adapted to be electrically coupled in series between the AC power source and the electrical load device;
a user interface located on a front surface of the bezel and configured to be actuated by a user of the remote control device;
a wireless communication circuit configured to transmit a signal;
a control circuit located within the enclosure and electrically coupled to the user interface and the wireless communication circuit, the control circuit configured to cause the wireless communication circuit to transmit the signal in response to an actuation of the user interface, the signal including a command for controlling the electrical load device; and
a power supply electrically coupled in series with the air-gap switch and configured to conduct a charging current through the electrical load device to generate a DC supply voltage to power the control circuit and the wireless communication circuit.

US Pat. No. 10,054,916

ULTRASONIC SENSING SYSTEM

Lutron Electronics Co., I...

1. A load control system for controlling power delivered from a power source to an electrical load, the system comprising:a load control device configured to be coupled in series between the power source and the electrical load for controlling the power to the electrical load, the load control device comprising a communication circuit;
a remote ultrasonic transmitter configured to transmit ultrasonic waves characterized by an ultrasonic frequency and an amplitude, wherein the remote ultrasonic transmitter does not include a receiver for receiving ultrasonic waves transmitted by the remote ultrasonic transmitter; and
a sensor comprising:
a communication circuit;
a local ultrasonic transmitter configured to transmit ultrasonic waves at the ultrasonic frequency;
an ultrasonic receiver configured to receive attenuated ultrasonic waves from the remote ultrasonic transmitter and configured to receive reflections of the ultrasonic waves transmitted by the local ultrasonic transmitter;
a control circuit coupled to the communication circuit and to the ultrasonic receiver, the control circuit configured to:
receive, via the ultrasonic receiver, signals representing the attenuated ultrasonic waves and the reflected ultrasonic waves;
determine occupancy from the received signals based on at least one of (i) a change in amplitude between the attenuated ultrasonic waves and the characterized amplitude and (ii) a change in frequency between the reflected ultrasonic waves and the characterized ultrasonic frequency; and
transmit a command via the communication circuit to the load control device based on the determination of occupancy;
wherein the load control device, the remote ultrasonic transmitter device, and the sensor are each separate devices; and
further wherein the load control device is configured to receive the command via the communication circuit of the load control device and to control the power delivered to the electrical load in response to the command.

US Pat. No. 9,912,152

CONTROLLABLE ELECTRICAL OUTLET WITH A CONTROLLED WIRED OUTPUT

Lutron Electronics Co., I...

1. A controllable electrical outlet comprising:
a first electrical receptacle and a second electrical receptacle each configured to receive a respective plug of a plug-in
electrical load;

a first screw terminal configured to be electrically coupled to a hot connection;
a second screw terminal configured to be electrically coupled to a downstream electrical outlet;
a third screw terminal configured to be electrically coupled to a neutral connection;
a load control circuit electrically coupled between the first and second screw terminals and configured to control power delivered
to the downstream electrical outlet and to the second electrical receptacle, wherein the load control circuit is not configured
to control power delivered to the first electrical outlet;

a communication circuit;
an actuator configured to be actuated; and
a control circuit coupled to the actuator, the load control circuit, and the communication circuit, the control circuit configured
to:

based at least in part of an actuation of the actuator, associate the controllable electrical outlet with a device such that
the controllable electrical outlet is responsive to messages transmitted by the device;

receive one or more messages via the communication circuit transmitted by the device; and
control the load control circuit to connect power to or disconnect power from the downstream electrical outlet and the second
electrical receptacle in response to the one or more messages received via the communication circuit.

US Pat. No. 9,888,540

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A method for controlling a load current conducted through an electrical load, the method comprising:
when operating in a normal mode, regulating an average magnitude of the load current towards a target current by driving a
switching device between different operating states; and

when operating in a burst mode, adjusting the average magnitude of the load current to the target current over a plurality
of burst mode periods by driving the switching device between the different operating states during an active state period
of each of the plurality of burst mode periods, stopping driving the switching device between the different operating states
during an inactive state period of each of the plurality of burst mode periods, and adjusting a length of the inactive state
period in at least a subset of the plurality of burst mode periods while holding a length of the active state period constant.

US Pat. No. 9,860,952

CONTROL DEVICE HAVING BUTTONS WITH AUTOMATICALLY ADJUSTABLE BACKLIGHTING

Lutron Electronics Co., I...

1. A control device comprising:
a first button and a second button;
a first light source configured to illuminate the first button, and a second light source configured to illuminate the second
button;

a light detector circuit configured to measure an ambient light level in a vicinity around the control device;
a memory for storing a first adjustment curve and a second adjustment curve; and
a control circuit configured to:
control the first light source to illuminate the first button to a first surface illumination intensity and control the second
light source to illuminate the second button to a second surface illumination intensity, the second surface illumination intensity
being less than the first surface illumination intensity; and

adjust the first surface illumination intensity in response to the ambient light level measured by the light detector circuit
using the first adjustment curve, and adjust the second surface illumination intensity in response to the ambient light level
measured by the light detector circuit using the second adjustment curve.

US Pat. No. 9,839,101

LOAD CONTROL ADJUSTMENT FROM A WEARABLE WIRELESS DEVICE

Lutron Electronics Co., I...

1. A wearable wireless device configured to control a parameter of a load control device, the load control device responsive
to a network device to provide fine tune adjustment of the parameter, the wearable wireless device comprising:
a touch-responsive visual display configured to display feedback of the parameter of the load control device, the visual display
configured to be actuated to receive a user input to adjust the parameter of the load control device;

wherein an actuation of the visual display of the wearable wireless device adjusts the parameter by a greater percentage than
the fine tune adjustment provided by the network device.

US Pat. No. 9,742,580

WIRELESS CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a controllably conductive device adapted to be electrically coupled between the AC power source and the electrical load;
a user interface configured to receive a user input;
a conductive faceplate defining an opening for receiving the user interface;
an antenna configured to communicate radio-frequency signals;
a radio-frequency communication circuit configured to communicate the radio-frequency signals via the antenna; and
a control circuit responsive to the user input and the radio-frequency communication circuit, the control circuit configured
to control the controllably conductive device to control the power delivered to the electrical load; and

wherein the conductive faceplate is configured to operate as a radiating element of the antenna when the conductive faceplate
is mounted to the control device and the user interface is received in the opening of the conductive faceplate.

US Pat. No. 9,752,383

CONTROLLING MOTORIZED WINDOW TREATMENTS IN RESPONSE TO MULTIPLE SENSORS

LUTRON ELECTRONICS CO., I...

1. A motorized window treatment system for controlling an amount of light entering a space, the system comprising:
a plurality of motorized window treatments, each motorized window treatment operable to adjust a respective covering material
to control the amount of light entering the space;

a plurality of window sensors, each window sensor mounted adjacent at least one of the plurality of motorized window treatments,
each window sensor configured to measure an amount of daylight shining on the respective window sensor and to transmit a sensor
reading based on the measured amount of daylight; and

a system controller configured to:
receive the sensor readings from the window sensors;
maintain the covering materials in alignment by controlling the plurality of motorized window treatments in response to the
sensor readings while a difference between each sensor reading is within a predetermined amount of each other; and

adjust the respective covering material for at least one of the motorized window treatments to a different position than at
least one other motorized window treatment of the plurality of motorized window treatments while the difference between each
sensor reading is outside of the predetermined amount of each other; wherein the system controller is configured to dynamically
group the window sensors together into sensor groups and control the motorized window treatments based upon the sensor groups.

US Pat. No. 9,633,557

BATTERY-POWERED RETROFIT REMOTE CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A remote control device, for use in a load control system having a load control device, the load control device configured
to control an amount of power delivered to an electrical load that is electrically connected to the load control device, the
remote control device comprising:
a base portion that is configured to be mounted over a toggle actuator of a mechanical switch that controls whether power
is delivered to the electrical load;

a rotating portion that is supported by the base portion;
a wireless communication circuit; and
a rotary encoder circuit that is configured to detect a rotational movement applied to the rotating portion, the rotary encoder
circuit including a plurality of discrete input zones that are electrically interconnected,

wherein the rotary encoder circuit is coupled to the wireless communication circuit and operates as an antenna of the remote
control device.

US Pat. No. 10,102,742

GESTURE-BASED CONTROL DEVICE FOR CONTROLLING AN ELECTRICAL LOAD

LUTRON ELECTRONICS CO., I...

1. A control device configured for use in a load control system to control one or more electrical loads external to the control device, the control device comprising:an actuation portion defining a front surface that comprises a plurality of touch sensitive areas;
one or more light sources provided to illuminate the plurality of touch sensitive areas; and
a control circuit configured to:
control the one or more light sources to present a first user interface on the front surface of the actuation portion, the plurality of touch sensitive areas not illuminated in the first user interface;
determine that a user input has been received for activating a second user interface on the front surface of the actuation portion;
control the one or more light sources to present the second user interface on the front surface of the actuation portion, the plurality of touch sensitive areas illuminated in the second user interface; and
in response to an actuation of one of the plurality of touch sensitive areas via the second user interface, generate control data for controlling an amount of power delivered to the one or more electrical loads.

US Pat. No. 9,949,330

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Electronics Co., I...

1. A load control device for controlling an intensity of a lighting load, the load control device comprising:a regulation circuit configured to control a magnitude of a load current conducted through the lighting load, the regulation circuit including a regulation transistor adapted to be coupled in series with the lighting load, the regulation transistor having a gate configured to receive a gate voltage; and
a control circuit operatively coupled to the regulation transistor of the regulation circuit, the control circuit configured to adjust the magnitude of the load current to control the intensity of the lighting load to a target intensity, the control circuit configured to adjust a frequency and an on time of the gate voltage received by the gate of the regulation transistor to adjust the intensity of the lighting load;
wherein the control circuit is configured to control the intensity of the lighting load by maintaining the frequency of the gate voltage constant and adjusting the on time of the gate voltage when the target intensity is above a predetermined threshold, and adjusting the frequency of the gate voltage when the target intensity is below the predetermined threshold.

US Pat. No. 9,853,561

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first
and second main terminals through which current can be conducted to energize the electrical load and a gate terminal through
which current can be conducted to render the thyristor conductive;

a gate coupling circuit configured to receive first and second drive voltages, the gate coupling circuit comprising two MOS-gated
transistors electrically coupled in anti-series connection, the MOS-gated transistors electrically coupled to conduct current
through the gate terminal of the thyristor in response to the first and second drive voltages; and

a control circuit configured to generate the first and second drive voltages for individually controlling the MOS-gated transistors
of the gate coupling circuit, the control circuit being configured to control the gate coupling circuit to cause the MOS-gated
transistors to conduct a pulse of current through the gate terminal of the thyristor at a firing time during a present half-cycle
of the AC power source to render the thyristor conductive, the control circuit being further configured to control the gate
coupling circuit to allow the MOS-gated transistors to conduct at least one other pulse of current through the gate terminal
of the thyristor after the firing time during the present half-cycle.

US Pat. No. 10,070,504

ASSOCIATING WIRELESS CONTROL DEVICES

LUTRON ELECTRONICS CO., I...

1. A method for associating a first wireless control device with a second wireless control device using a programming device, the method comprising:determining an identifier for the first wireless control device in response to an actuation of a button on the first wireless control device;
defining an association between the first wireless control device and the second wireless control device at the programming device;
transmitting the identifier for the first wireless control device to the second wireless control device; and
causing the first wireless control device to enter an initial sleep mode after the actuation of the button on the first wireless control device;
wherein the identifier is determined in response to the actuation of the button on the first wireless control device and prior to the first wireless control device entering the initial sleep mode.

US Pat. No. 10,057,958

MULTI-CHANNEL LIGHTING FIXTURE HAVING MULTIPLE LIGHT-EMITTING DIODE DRIVERS

Lutron Electronics Co., I...

1. A lighting control system for controlling a cumulative light emitted by a lighting fixture having a plurality of light-emitting diode (LED) light sources, the lighting control system comprising:at least one LED driver located within the lighting fixture;
a control module located within the lighting fixture and coupled to the at least one LED driver, and configured to control the at least one LED driver to control the cumulative light emitted by the plurality of LED light sources of the lighting fixture; and
a controller located external to the lighting fixture and configured to transmit at least one digital message to the control module for controlling the cumulative light emitted by the plurality of LED light sources of the lighting fixture;
wherein the control module is further configured to receive the at least one digital message from the system controller and to control the at least one LED driver to adjust respective intensities of the plurality of LED light sources to respective preset intensities in response to the at least one digital message transmitted by the controller.

US Pat. No. 10,057,960

AUTOMATIC CONFIGURATION OF A LOAD CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A load control system for controlling an electrical load, the load control system comprising:a first device operable to transmit a first message;
a load control device configured to control the electrical load on or off in response to the first message when the load control device is associated with the first device and not associated with a second device; and
wherein, when the load control device is associated with the first device and the second device, the load control device is configured to turn the electrical load off but not turn the electrical load on in response to the first message, and to turn the electrical load on in response to a second message transmitted by the second device.

US Pat. No. 10,043,132

SELECTING A WINDOW TREATMENT FABRIC

LUTRON ELECTRONICS CO., I...

1. A method to assist user selection of a fabric of a window treatment for at least one window of an interior space, the method comprising:computing, for each fabric option of a plurality of fabric options, associated scores based on values of at least two predicted performance metrics, wherein the values of the at least two predicted performance metrics depend on characteristics of daylight entering the interior space when at least one of the fabric options for the window treatment is used as the window treatment for the at least one window; and
communicating, to a user, information that is based on an extent to which the computed associated scores together satisfy at least one predefined window-treatment-recommendation criteria;
wherein the values of the at least two predicted performance metrics are based on input data defining at least one environmental characteristic of the interior space and at least one fabric characteristic of the fabric option.

US Pat. No. 9,933,761

METHOD OF CONTROLLING A MOTORIZED WINDOW TREATMENT

Lutron Electronics Co., I...

1. A method of controlling a motorized window treatment for adjusting an amount of sunlight entering a space of a building through a window to control a sunlight penetration distance in the space, the method comprising:measuring a total light intensity at the window;
determining if the total light intensity exceeds a cloudy-day threshold;
enabling a sunlight penetration limiting mode in response to determining that the total light intensity is greater than the cloudy-day threshold;
operating in the sunlight penetration limiting mode to control the motorized window treatment to thus control the sunlight penetration distance in the space, the sunlight penetration limiting mode causing partial opening of the motorized window treatment to a respective calculated position corresponding to each of a plurality of times so as to admit direct sunlight into the space within a predetermined maximum sunlight penetration distance from the window, such that the respective calculated sunlight penetration distance corresponding to each of the plurality of times is below the predetermined maximum sunlight penetration distance; and
disabling the sunlight penetration limiting mode in response to determining that the total lighting intensity is less than the cloudy-day threshold;
wherein the cloudy-day threshold varies with time during a first period after sunrise and during a second period before sunset, and is maintained at a constant threshold during a third period near midday.

US Pat. No. 10,219,359

BATTERY-POWERED CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A control device comprising:a sensing circuit configured to generate a sensing signal;
a processing circuit configured to enter a sleep state when the sensing signal is in a steady state condition; and
a wake-up logic circuit configured to:
generate and pulse-width modulate (PWM) an enable control signal when the processing circuit is in the sleep state to periodically enable and disable the sensing circuit;
receive the sensing signal from the sensing circuit;
determine that a magnitude of the sensing signal has changed; and
upon determining that the magnitude of the sensing signal has changed, generate a wake-up signal for causing the processing circuit to change from the sleep state to an active state.

US Pat. No. 10,098,196

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE HAVING DIFFERENT OPERATING MODES

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered to an electrical load, the load control device comprising:a load regulation circuit configured to control a magnitude of a load current conducted through the electrical load to control the amount of power delivered to the electrical load, the load regulation circuit comprising an inverter circuit characterized by a burst duty cycle; and
a control circuit coupled to the load regulation circuit and configured to control an average magnitude of the load current, the control circuit configured to control the inverter circuit to operate in active state periods during which the inverter circuit is active and inactive state periods during which the inverter circuit is inactive, the control circuit further configured to operate in at least a low-end mode, an intermediate mode, and a normal mode, wherein:
during the low-end mode, the control circuit is configured to keep a length of the active state periods constant and adjust a length of the inactive state periods in order to adjust the burst duty cycle and the average magnitude of the load current,
during the intermediate mode, the control circuit is configured to keep the length of the inactive state periods constant and adjust the length of the active state periods in order to adjust the burst duty cycle and the average magnitude of the load current, and
during the normal mode, the control circuit is configured to regulate the average magnitude of the load current by holding the burst duty cycle constant and adjusting a target load current conducted through the electrical load.

US Pat. No. 9,992,841

SYSTEMS AND METHODS FOR CONTROLLING COLOR TEMPERATURE

Lutron Electronics Co., I...

1. A method for control of color temperature, the method comprising:receiving by at least one processor via a communications network information from an electric utility indicating a period of high energy use;
determining by the at least one processor to transition a color temperature of light emitted by a controllable-color temperature lighting load (CCTLL) from a first color temperature to a second color temperature based on the information received from the electric utility,
wherein the CCTLL comprises a first discrete-spectrum light source and a second discrete-spectrum light source,
wherein the first discrete-spectrum light source and the second discrete-spectrum light source emit light of different color temperatures, and
wherein the second color temperature is a cooler color temperature than the first color temperature; and
based on the determination, controlling by the at least one processor the CCTLL in order to transition the CCTLL from emitting light of the first color temperature to emitting light of the second color temperature, wherein the CCTLL is configured to vary the color temperature of emitted light from the first color temperature to the second color temperature by decreasing an intensity level of the first discrete-spectrum light source and increasing or maintaining an intensity level of the second discrete-spectrum light source.

US Pat. No. 9,985,436

DIGITAL MESSAGES IN A LOAD CONTROL SYSTEM

Lutron Electronics Co., I...

1. A load control system comprising:a plurality of load control devices configured to control respective electrical loads; and
a system controller configured to:
in response to a first selection of a preset, communicate a first command to at least one of the plurality of load control devices, wherein the first command comprises preset data that defines one or more operations of the at least one load control device in response to a selection of the preset and further comprises a preset identifier for referencing the preset data;
store within a database an indication for the preset that the preset data was communicated to the at least one load control device;
in response to a second selection of the preset:
determine from the indication for the preset stored within the database that the preset data was communicated to the at least one load control device; and
based at least in part on determining from the indication for the preset stored within the database that the preset data was communicated to the at least one load control device, communicate a second command to the at least one load control device, wherein the second command comprises the preset identifier for referencing the preset data and does not include the preset data; and
wherein the at least one load control device is configured to:
receive the first command;
in response to receiving the first command:
store the preset identifier and at least a portion of the preset data in a device database of the at least one load control device; and
control a respective electrical load using the preset data;
receive the second command; and
in response to receiving the second command:
use the preset identifier from the second command to access the preset data from the device database of the at least one load control device; and
control the respective electrical load using the preset data accessed from the database of the at least one load control device.

US Pat. No. 9,923,633

METHOD OF OPTICALLY TRANSMITTING DIGITAL INFORMATION FROM A SMART PHONE TO A CONTROL DEVICE

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device
comprising:
a wireless communication module configured to receive wireless communications on a wireless network;
a controller operable to control the power from the source to the electrical load; and
an optical module operatively coupled to the controller and operable to receive an optical signal comprising programming instructions
from at least one of a visual display or a camera flash light source of a wireless control device, wherein the programming
instructions are configured to enable the wireless communication module to receive digital messages via the wireless communications
on the wireless network, and

wherein the controller is configured, in response to the programming instructions in the optical signal received from the
at least one of the visual display or the camera flash light source of the wireless control device, to connect to the wireless
network and receive the digital messages on the wireless network via the wireless communication module.

US Pat. No. 9,763,302

CONTROL DEVICE HAVING BUTTONS WITH MULTIPLE-LEVEL BACKLIGHTING

LUTRON ELECTRONICS CO., I...

1. A control device having buttons with multiple-level backlighting, the control device comprising:
a first button, a second button, and a third button;
a first LED, a second LED, and a third LED, wherein the first, second, and third LEDs are configured to illuminate at least
a portion of a respective one of the first, second, and third buttons; and

a control circuit electrically coupled to an actuator of each of the first, second, and third buttons and electrically coupled
to the first, second, and third LEDs, the control circuit configured to:

illuminate the first LED to a first LED illumination intensity to illuminate the first button to approximately a first surface
illumination intensity;

illuminate the third LED to a second LED illumination intensity to illuminate the third button to approximately a second surface
illumination intensity, where the second LED illumination intensity is less than the first LED illumination intensity and
the second surface illumination intensity is less than the first surface illumination intensity; and

illuminate the second LED to a third LED illumination intensity to illuminate the second button to approximately the second
surface illumination intensity, where the third LED illumination intensity is less than the second LED illumination intensity;

wherein the first button is in a selected state, and wherein the first LED illumination intensity is determined based on an
active adjustment curve DCACTIVE, and the second LED illumination intensity and the third LED illumination intensity are based on an inactive adjustment curve
DCINACTIVE.

US Pat. No. 10,104,735

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling an amount of power delivered to an electrical load, the load control device comprising:a load regulation circuit configured to control a magnitude of a load current conducted through the electrical load to control the amount of power delivered to the electrical load; and
a control circuit configured to generate at least one drive signal for controlling the load regulation circuit to adjust an average magnitude of the load current, the at least one drive signal characterized by an operating period and a duty cycle, the control circuit configured to operate in a normal mode and a burst mode, the burst mode comprising an active state during an active state period of a burst mode period and an inactive state during an inactive state period of the burst mode period;
wherein, during the normal mode, the control circuit is configured to regulate the average magnitude of the load current towards a target load current by adjusting an on time of the at least one drive signal; and
wherein, during the burst mode, the control circuit is configured to adjust the operating period of the at least one drive signal to a low-end operating period by adjusting the on time of the at least one drive signal to a value less than or equal to a minimum on time while holding the duty cycle of the at least one drive signal constant, the control circuit further configured to adjust the average magnitude of the load current by adjusting a length of the active state period and a length of the inactive state period.

US Pat. No. 9,951,556

MOTORIZED ROLLER TUBE SYSTEM HAVING DUAL-MODE OPERATION

Lutron Electronics Co., I...

1. A motorized roller tube system comprising:a rotatably supported roller tube;
a flexible member engaging the roller tube for winding receipt of the flexible member by the roller tube;
a DC motor having an output shaft rotated at a motor speed, the DC motor having a low efficiency, high torque region of operation and a high efficiency, low torque region of operation defining a peak efficiency;
a gear assembly connected to the output shaft of the motor such that the gear assembly is driven by the motor, the gear assembly including a plurality of gear stages adapted to produce an output rotational speed that is reduced with respect to the motor speed; and
a controller connected to the motor for controlling the motor to wind or unwind the flexible member with respect to the roller tube,
the controller being configured to control the motor in at least two operating modes comprising a first mode and a second mode, each providing for movement of the flexible member at a predetermined linear speed, and wherein the linear speed for each one of the operating modes is different from the linear speeds for the other modes, the linear speed being greater in the first mode than in the second mode;
wherein the controller is configured to operate the motor when the motor is energized to rotate always at an operating speed that is less than 50 percent of a maximum motor speed of which the motor is capable when the motor operates in the second mode and at an efficiency less than 25% of the peak efficiency.

US Pat. No. 9,890,587

DRIVE ASSEMBLY FOR A MOTORIZED ROLLER TUBE SYSTEM

LUTRON ELECTRONICS CO., I...

1. A motorized roller tube system comprising:
a rotatably supported roller tube;
a flexible member engaging the roller tube for winding receipt of the flexible member by the roller tube;
a DC motor having an output shaft rotated at a motor speed and having a peak efficiency at a given RPM value;
a gear assembly connected to the output shaft of the motor such that the gear assembly is driven by the motor, the gear assembly
including a plurality of gear stages adapted to produce an output rotational speed that is reduced with respect to the motor
speed;

a tube-engagement member connected to the gear assembly for rotation at the reduced rotational speed of the gear assembly
output, the tube-engagement member adapted for engagement with the roller tube for rotation of the roller tube at the gear
assembly output speed; and

a controller connected to the motor for controlling the motor to wind or unwind the flexible member with respect to the roller
tube during movement of the flexible member to a position located between a fully-closed position and a fully-opened position
for the flexible member,

said controller configured, when energizing said motor, to operate said motor always at a motor efficiency that is less than
25 percent of the peak efficiency during any movement of the flexible member and at a motor speed that is always less than
50 percent of a maximum motor speed of which the motor is capable.

US Pat. No. 10,129,951

CONTROL DEVICE HAVING AN INTEGRAL REFLECTING STRUCTURE FOR A SENSING CIRCUIT

LUTRON ELECTRONICS CO., I...

1. A control device comprising:a faceplate having an indicia;
a light source located behind the faceplate that is configured to backlight the indicia;
a light detector circuit that is configured to measure a light level of ambient light that is external relative to the control device;
a control circuit that is configured to cause the light source to backlight the indicia in accordance with the measured light level; and
an enclosure that houses the light detector circuit, the enclosure including an integral reflector that is configured to direct the ambient light to the light detector circuit.

US Pat. No. 10,098,208

IDENTIFICATION OF LOAD CONTROL DEVICES

Lutron Electronics Co., I...

1. An apparatus configured to instruct a load control device to indicate an address assigned to the load control device,wherein the address comprises a number of digits, and
wherein the load control device is configured to control an amount of power provided to a lighting load, the apparatus comprising:
a communication circuit configured to communicate instructions; and
a controller configured to:
instruct the load control device to control an intensity of the lighting load to indicate the address assigned to the load control device, wherein to indicate the address comprises to indicate each digit of the address by at least one of:
to instruct the load control device to increase or to decrease the intensity of the lighting load for a period of time to indicate the digit, or
to instruct the load control device to flash the lighting load between increased and decreased intensities one or more times to indicate the digit; and
associate the address with a load control device identifier to define an association between the address and the load control device identifier, wherein the address is used to communicate the instructions to the load control device.

US Pat. No. 10,037,492

SELECTING A WINDOW TREATMENT FABRIC

LUTRON ELECTRONICS CO., I...

1. A method of selecting fabrics for window treatments to be installed in a building, the method comprising:receiving, at a processor, input data associated with the building in which the window treatments are to be installed, wherein the input data includes data associated with a plurality of façades of the building;
accessing, by the processor, fabric data that indicates characteristics of a plurality of fabrics;
determining, by the processor and for each façade of the plurality of façades of the building, at least one predicted performance metric for each fabric of the plurality of fabrics;
determining, by the processor and based on the at least one predicted performance metric for each fabric of the plurality of fabrics, fabric set scores for different sets of fabrics in the plurality of fabrics, wherein each fabric set score indicates a performance of a set of fabrics when each fabric in the set of fabrics is used in a window treatment on a different façade of the plurality of façades of the building, wherein each fabric set score of the set of fabrics indicates a combined score for that set of fabrics when each fabric of that set of fabrics is used in the window treatment on the different façade of the plurality of façades of the building wherein each fabric in a respective set of fabrics has a first fabric characteristic that is a different value and a second fabric characteristic that is a same value; and
communicating, via the processor to a user, the fabric set scores for the different sets of fabrics, wherein communicating the fabric set scores for the sets of fabrics comprises displaying the fabric set scores on a visual display.

US Pat. No. 10,032,112

SELECTING A WINDOW TREATMENT FABRIC

LUTRON ELECTRONICS CO., I...

12. An apparatus for recommending a window treatment fabric for a motorized window treatment configured to be mounted adjacent to a window of an interior space, the motorized window treatment comprising (i) a motor drive unit responsive to an automated control system, and (ii) a window treatment configured to be installed on or around the window in such a way that the motor drive unit is configured to adjust a position of the window treatment in response to the automated control system, the apparatus comprising:at least one control circuit;
a memory coupled to the at least one control circuit having instructions stored thereon that when executed by the at least one control circuit cause the at least one control circuit to:
determine at least one position of the window treatment as controlled by the automated control system, wherein the at least one position of the window treatment causes at least a portion of the window to be covered by the window treatment within at least one calendar day, wherein the at least one position is determined during at least two different time frames within the at least one calendar day;
determine metrics for each of a plurality of fabrics, wherein at least one of the determined metrics for each respective fabric comprises a predicted performance of the respective fabric when the respective fabric is used in the window treatment and the window treatment is in the determined at least one position;
rank one or more of the plurality of fabrics based on the determined metrics for the one or more of the plurality of fabrics; and
present a recommendation to a user for at least one of the one or more of the plurality of fabrics of the window treatment to be used for the window, where the recommendation is based on the ranking of the one or more of the plurality of fabrics.

US Pat. No. 10,004,127

DIGITAL LOAD CONTROL SYSTEM PROVIDING POWER AND COMMUNICATION VIA EXISTING POWER WIRING

LUTRON ELECTRONICS CO., I...

1. A load control system comprising:a power device adapted to receive power from an AC power source via a power wiring; and
a controller adapted to be coupled in series electrical connection on the power wiring between the AC power source and the power device, the controller configured to produce a phase-control voltage that is adapted to be received by the power device, the controller configured to transmit a forward digital message to the power device by encoding digital information in timing edges of the phase-control voltage;
wherein the power device is configured to transmit a reverse digital message to the controller via the power wiring; and
wherein the controller is configured to transmit a short pattern prior to the power device transmitting the reverse digital message, the short pattern allowing the power device to synchronize to a line frequency of the AC power source, and wherein the short pattern has a length less than a length of the forward digital message.

US Pat. No. 9,982,482

BATTERY-POWERED MOTORIZED WINDOW TREATMENT HAVING A SERVICE POSITION

Lutron Electronics Co., I...

1. A method of changing a battery of a battery-powered motorized window treatment connected to a location at the top of a window, the method comprising:mounting the battery in an enclosure having an open end, the enclosure being fixed to a motor drive unit of the motorized window treatment; and
rotating the motor drive unit and the enclosure from an installed position to a service position about an axis of rotation to provide access through the open end to the battery contained within the enclosure without removing the motor drive unit and the enclosure from the window,
wherein the battery is removable through the open end of the enclosure in a direction perpendicular to the axis of rotation.

US Pat. No. 9,958,602

DEVICE WITH ILLUMINATED LIGHT BAR

Lutron Electronics Co., I...

1. A device comprising:a printed circuit board;
an enclosure housing the printed circuit board, the enclosure having at least one side;
a light-emitting diode mounted to the printed circuit board;
a light-pipe structure located adjacent to the side of the enclosure and configured to form a light bar extending in a lateral direction along the side of the enclosure;
wherein the light-pipe structure comprises a lower recess in which the light-emitting diode is located, and comprises an upper recess located above the lower recess, the upper recess and the lower recess configured to direct light from the light-emitting diode in the lateral direction along the side of the enclosure to generate the light bar;
wherein the light-pipe structure further comprises a top side adjacent to the light bar, the light-pipe structure configured to distribute the light from the light-emitting diode along an emitter surface that is adjacent to the top side of the light-pipe structure; and
a light diffuser configured to conduct light in a transverse direction emitted from the emitter surface to thus form the light bar along the side of the enclosure;
wherein the enclosure comprises first and second portions and the light bar extends around a periphery of the enclosure between the first and second portions, the light diffuser being positioned between the first and second portions of the enclosure.

US Pat. No. 9,954,435

CALIBRATION OF A LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Electronics Co., I...

1. A load regulation device for controlling an amount of power delivered to an electrical load, the load regulation device comprising:a first terminal and a second terminal configured to be connected to the electrical load;
a load regulation circuit configured to generate an output voltage on the first and second terminals for producing a load voltage across the electrical load; and
a control circuit configured to:
receive feedback from a device coupled to the first and second terminals in parallel electrical connection between the load regulation circuit and the electrical load, the device configured to sense a magnitude of the load voltage across the electrical load, and the feedback indicating the magnitude of the load voltage sensed by the device across the electrical load;
determine from the feedback whether the magnitude of the load voltage sensed across the electrical load has reached a predetermined level; and
adjust a magnitude of the output voltage of the load regulation circuit based on the determination of whether the magnitude of the load voltage sensed across the electrical load has reached the predetermined level.

US Pat. No. 9,888,535

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A method for controlling an amount of power delivered to an electrical load, the method comprising:
receiving a load current feedback signal that indicates an average magnitude of a load current through the electrical load;
generating at least one drive signal for controlling the load current;
adjusting an operational characteristic of the at least one drive signal in response to the load current feedback signal in
order to control the amount of power delivered to the electrical load towards a target amount of power;

controlling the average magnitude of the load current towards a target load current that ranges from a maximum rated current
to a minimum rated current in a normal mode; and

controlling the average magnitude of the load current below the minimum rated current in a burst mode, wherein the burst mode
includes at least one burst mode period that comprises a first time period associated with an active state and a second time
period associated with an inactive state;

wherein, during the burst mode, the method further comprises adjusting the operational characteristic of the at least one
drive signal to regulate a peak magnitude of the load current towards approximately the minimum rated current in response
to the load current feedback signal during the active state, and stopping generating the at least one drive signal while maintaining
the operational characteristic of the at least one drive signal constant during the inactive state to control the average
magnitude of the load current to be less than the minimum rated current when in the burst mode.

US Pat. No. 9,847,638

LOAD CONTROL SYSTEM HAVING A BROADCAST CONTROLLER WITH A DIVERSE WIRELESS COMMUNICATION SYSTEM

Lutron Electronics Co., I...

1. A load control system for controlling a plurality of electrical loads, the load control system comprising:
a plurality of load control devices, each load control device configured to control at least one of the electrical loads;
and

a wireless controller having first and second antennas, the first and second antennas orthogonally oriented with respect to
each other, the wireless controller configured to transmit a first wireless signal via the first antenna and a second wireless
signal via the second antenna;

wherein each of the load control devices is configured to receive at least one of the first and second wireless signals, and
to control the respective load in response to the received wireless signal.

US Pat. No. 10,104,750

CONTROLLABLE LIGHT SOURCE

LUTRON ELECTRONICS CO., I...

1. A light source that is configured to be electrically connected to a power source and controlled via wireless control signals, the light source comprising:a base configured to electrically connect the light source to the power source;
a housing that includes a translucent end portion and is spaced from the base, and that includes an intermediate portion that extends between the end portion and the base;
a lighting load that is located inside the housing, the lighting load configured to shine light through the end portion of the housing;
an actuator that is manually operable at the end portion of the housing when the light source is installed in a fixture;
a wireless communication circuit that is configured to receive wireless control signals;
a load control circuit that is configured to control an amount of power delivered to the lighting load to adjust an intensity of the lighting load between a high-end intensity and a low-end intensity; and
a processor that is configured to:
responsive to manual operation of the actuator, associate the light source with an external control device by causing an identifier of the external control device to be stored; and
based on an association of the light source with the external control device, be responsive to wireless control signals having the identifier that are received via the wireless communication circuit.

US Pat. No. 10,067,488

ENERGY SAVINGS SELECTOR TOOL

LUTRON ELECTRONICS CO., I...

1. A system controller device configured to recommend, via an energy savings selector tool, an electrical device for reducing an amount of power consumed by a load control system, the system controller device comprising:at least one processor configured to:
receive from a first electrical device, via a network communication circuit, load control information associated with the first electrical device;
determine the amount of power consumed by the load control system over a period of time, wherein the amount of power consumed by the load control system is determined based on the load control information associated with the first electrical device, wherein the first electrical device is at least one of a first electrical load and a first electrical load control device configured to control an amount of power provided to the first electrical load;
determine a second electrical device as a recommended replacement for the first electrical device in the load control system that, when installed in the load control system, reduces the amount of power consumed by the load control system, wherein the second electrical device is at least one of a second electrical load and a second electrical load control device configured to control an amount of power provided to the second electrical load;
determine savings information associated with using the second electrical device as the recommended replacement for the first electrical device in the load control system, wherein the savings information indicates a savings associated with using the second electrical device as the recommended replacement for the first electrical device in the load control system; and
provide to a network device, via a transmitter, the savings information associated with using the second electrical device as the recommended replacement for the first electrical device in the load control system and information identifying the second electrical device as the recommended replacement for the first electrical device.

US Pat. No. 10,050,444

NETWORK ACCESS COORDINATION OF LOAD CONTROL DEVICES

LUTRON ELECTRONICS CO., I...

1. A wireless control device for use in a load control system for controlling power delivered from a power source to an electrical load, the wireless control device comprising:a first wireless communication circuit configured to communicate digital messages via a first wireless communication network; and
a control circuit in communication with the first wireless communication circuit, the control circuit configured to join the first wireless communication network and communicate digital messages via the first wireless communication network using a first protocol;
wherein the control circuit is configured to:
determine an occurrence of a first condition;
join the first wireless communication network upon the first condition being satisfied;
determine an occurrence of a second condition; and
disconnect from the first wireless communication network upon the second condition being satisfied.

US Pat. No. 9,941,811

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

Lutron Electronics Co., I...

1. A load control device for controlling power delivered from an AC power source to an electrical load, the load control device comprising:a thyristor adapted to be electrically coupled between the AC power source and the electrical load, the thyristor having first and second main terminals through which current can be conducted to energize the electrical load and a gate terminal through which current can be conducted to render the thyristor conductive;
a first current path electrically coupled between the first main terminal of the thyristor and the gate terminal of the thyristor to conduct current through the gate terminal of the thyristor;
a control circuit configured to control the first current path to conduct a pulse of current through the gate terminal of the thyristor to render the thyristor conductive at a firing time during a present half-cycle of the AC power source, the control circuit configured to control the first current path to allow the first current path to conduct at least one other pulse of current through the gate terminal of the thyristor between the firing time and a second time that occurs before an end of the present half-cycle, the control circuit being further configured to prevent the first current path from conducting pulses of current through the gate terminal of the thyristor between the second time and the end of the present half-cycle to allow the thyristor to become non-conductive and remain non-conductive until the end of the present half-cycle; and
a second current path electrically coupled between the first and second terminals of the thyristor to conduct current through the electrical load if the thyristor becomes non-conductive and remains non-conductive during the present half-cycle.

US Pat. No. 9,911,372

CONTROL DEVICE OPERATING PORTION HAVING A VENEER WITH BACKLIT INDICIA

Lutron Electronics Co., I...

1. A control device that is configured for use in a load control system for controlling an amount of power delivered to an
electrical load, the control device comprising:
a button having a body that defines an outer surface and an opposed inner surface;
a veneer that is attached to the outer surface of the body, the veneer including a machined indicium that extends into a front
surface of the veneer, the indicium defining an open portion and a floating portion such that a portion of the outer surface
of the body is exposed; and

at least one lighting element that is configured to illuminate the inner surface of the button,
wherein the indicium includes a rib that suspends the floating portion relative to the open portion, the rib defining an upper
surface that is recessed relative to the front surface of the veneer and opposed sides that extend from a base of the rib
to the upper surface.

US Pat. No. 9,888,543

MULTI-CHANNEL LIGHTING FIXTURE HAVING MULTIPLE LIGHT-EMITTING DIODE DRIVERS

Lutron Electronics Co, In...

1. A lighting control system for controlling a cumulative light emitted by a lighting fixture having a plurality of light-emitting
diode (LED) light sources, the load control system comprising:
a plurality of LED drivers located within the lighting fixture, the plurality of LED drivers being coupled to a respective
one of the plurality of LED light sources and configured to control an intensity of the respective one of the plurality of
LED light sources, wherein the plurality of LED drivers are coupled to a communication link and are responsive to communications
having a common link address, and wherein each of the plurality of LED drivers is capable of communicating on the communication
link using a respective sub-address; and

a controller configured to transmit a single digital message to the plurality of LED drivers located within the lighting fixture
using the common link address, wherein the single digital message causes the cumulative light to be emitted by the plurality
of LED sources of the lighting fixture;

wherein each of the plurality of LED drivers is configured to adjust the intensity of the respective LED light source to a
preset intensity in response to the single digital message being transmitted to the plurality of LED drivers on the communication
link.

US Pat. No. 10,055,043

ACTUATOR ASSEMBLY FOR A WALLBOX DIMMER

LUTRON ELECTRONICS CO., I...

1. A touch-sensitive actuator assembly configured for use with a load control device configured to control an amount of power delivered to an electrical load, the actuator assembly comprising:a resilient, deformable membrane supporting a plurality of discrete force-sensitive impedance members; and
an actuator having a plurality of posts that are spaced from each other, each post configured to transfer a force applied to the actuator at a location proximate to the post to a corresponding location on the membrane;
wherein, in response to the transferred force, the membrane is configured to deform and actuate at least one of the plurality of discrete force-sensitive impedance members; and
wherein each of the plurality of discrete force-sensitive impedance members is configured to, when actuated, cause the load control device to apply one of a plurality of dimming levels to the electrical load.

US Pat. No. 10,041,292

LOW-POWER RADIO-FREQUENCY RECEIVER

Lutron Electronics Co., I...

1. A load control device for controlling an electrical load receiving power from a power source in response to RF signals transmitted by an RF transmitter, the RF transmitter adapted to transmit a predetermined number of consecutive packets at a predetermined transmission rate during a given transmission event, each of the packets including a same command and characterized by a packet length, the load control device comprising:an RF receiver adapted to receive packets from the RF transmitter, the RF receiver operable to be periodically enabled for a sample time period to determine if the RF transmitter is transmitting one of the consecutive packets, the RF receiver operable to enter a sleep mode for a sleep time period between consecutive sample time periods if the RF receiver determines that the RF transmitter is not transmitting one of the consecutive packets during the sample time period; and
a controller operatively coupled to the RF receiver, the controller operable to determine that the RF transmitter is transmitting one of the consecutive packets during the sample time period and to subsequently receive an entire packet of the consecutive packets, the controller operable to control the electrical load in response to the entire packet received from the RF transmitter;
wherein the sleep time period of the RF receiver is longer than the packet length of each of the packets, the sample time period of the RF receiver is less than the packet length, and the sample time period and the sleep time period between sample time periods are sized to ensure that the sample time period coincides with at least one packet of the predetermined number of consecutive packets in the transmission event.

US Pat. No. 9,991,075

CONTROLLING A CONTROLLABLY CONDUCTIVE DEVICE BASED ON ZERO-CROSSING DETECTION

Lutron Electronics Co., I...

1. A load control device for controlling power delivered to an electrical load from an AC power source, the load control device comprising:a controllably conductive device adapted to be coupled in series electrical connection between the AC power source and the electrical load;
a zero-cross detect circuit configured to generate a zero-cross signal representative of zero-crossings of an AC voltage, the zero-cross signal characterized by a plurality of pulses occurring in time with the zero-crossings of the AC voltage, and the AC voltage comprising a switched-hot voltage generated by the controllably conductive device to be provided to the electrical load when the controllably conductive device is conductive; and
a control circuit operatively coupled to the controllably conductive device and the zero-cross detect circuit and configured to:
identify a rising-edge time and a falling-edge time of one of the pulses of the zero-cross signal;
control a conductive state of the controllably conductive device based on the rising edge time and the falling-edge time of the pulse;
set an error window based on the rising-edge time and the falling-edge time of the pulse;
determine whether a conductive state change time falls within the error window; and
adjust a relay actuation adjustment time period associated with the controllably conductive device upon a determination that the conductive state change time falls within the error window.

US Pat. No. 9,955,547

CHARGING AN INPUT CAPACITOR OF A LOAD CONTROL DEVICE

LUTRON ELECTRONICS CO., I...

1. A load control device for controlling the amount of power delivered to an electrical load in response to a phase-control voltage, the load control device comprising:a power converter configured to receive an input voltage at an input and generate a bus voltage, the power converter configured to operate in a boost mode, such that the magnitude of the bus voltage is greater than a peak magnitude of the input voltage; and
an input capacitor coupled across the input of the power converter;
wherein the power converter is configured to operate in a buck mode to charge the input capacitor from the bus voltage when the magnitude of the phase-control voltage is approximately zero volts.

US Pat. No. 9,927,829

METHOD AND APPARATUS FOR PHASE-CONTROLLING A LOAD

LUTRON ELECTRONICS CO., I...

1. A load control device comprising:a controller configured to control an amount of power delivered from an alternating current (AC) power source to an electrical load, wherein at a transition of the electrical load from an off state to an on state, the controller is further configured to:
provide a first line cycle of a phase control signal, the first line cycle characterized by a first turn-on event and a first conduction time;
subsequent to providing the first line cycle, provide a second line cycle of the phase control signal, the second line cycle characterized by a second turn-on event and a second conduction time, the second turn-on event greater than the first turn-on event;
subsequent to providing the second line cycle, provide a third line cycle of the phase control signal, the third line cycle characterized by a third turn-on event and a third conduction time, the third turn-on event greater than the second turn-on event; and
maintain subsequent line cycles of the phase control signal in accordance with the third turn-on event;
wherein the first conduction time, the second conduction time, and the third conduction time are substantially the same.

US Pat. No. 9,912,785

MULTIPLE NETWORK ACCESS LOAD CONTROL DEVICES

Lutron Electronics Co., I...

1. An apparatus for controlling power delivered to at least one electrical load, the apparatus comprising:
a controllably conductive device;
a controller in communication with the controllably conductive device;
a first wireless communication circuit operable to communicate on a first wireless communication network via a first protocol,
the first wireless communication circuit communicatively coupled to the controller; and

a second communication circuit operable to communicate on a second communication network via a second protocol, the second
communication circuit communicatively coupled to the controller;

wherein the controller is configured to:
receive, via the second communication circuit from the second communication network, access information needed to access the
first wireless communication network;

use the received access information of the first wireless communication network to connect the apparatus via the first wireless
communication circuit to the first wireless communication network;

once connected to the first wireless communication network, receive via the first wireless communication circuit from the
first wireless communication network an address for the apparatus to communicate on the first wireless communication network;

receive via the second communication circuit from the second communication network an indication to communicate configuration
data via the first wireless communication network; and

responsive to receiving the indication, control the first wireless communication circuit to communicate the configuration
data via the first wireless communication network, wherein to communicate the configuration data comprises to communicate
the configuration data using the first protocol and the address; and

wherein the controller is further configured to:
receive operational commands via the second wireless communication circuit from the second communication network using the
second protocol; and

responsive to receiving the operational commands, control power delivered to the at least one electrical load.

US Pat. No. 10,027,127

COMMISSIONING LOAD CONTROL SYSTEMS

LUTRON ELECTRONICS CO., I...

1. A load control system comprising:a plurality of lighting control devices, wherein each lighting control device is configured to control an amount of power provided to a respective lighting load, wherein the plurality of lighting control devices include a first control-target device and a second control-target device, and wherein the first control-target device and the second control-target device each has a respective device type and are each configurable to control the amount of power provided to the respective lighting load based on digital messages received from a control-source device;
a user device configured to:
receive a device type selected by a user;
transmit a discovery message, wherein the discovery message comprises an indication of the device type selected by the user;
responsive to the discovery message, receive respective responses from at least the first control-target device and the second control-target device, wherein the first control-target device and the second control-target device are each configured to compare the device type indicated in the discovery message with its own device type and respond to the discovery message if they are the same;
based at least in part on the received respective responses, determine that the first control-target device and the second control-target device are within an established discovery range;
based at least in part on determining that the first control-target device and the second control-target device are within the established discovery range, display within a graphical user interface the first control-target device and the second control-target device as discovered control-target devices, wherein the first control-target device and the second control-target device are each displayed adjacent to an indication of the device type selected by the user;
receive an indication to associate the first control-target device with the control-source device;
store an identifier of the first control-target device in association information with an identifier of the control-source device to associate the first control-target device with the control-source device; and
communicate at least part of the association information to the first control-target device to enable control of the first control-target device via the control-source device.

US Pat. No. 10,017,985

WINDOW TREATMENT CONTROL USING BRIGHT OVERRIDE

Lutron Electronics Co., I...

1. A system comprising:a motorized window treatment configured to be positioned adjacent to a window of a room, the motorized window treatment having at least one motor drive unit for adjusting a position of the window treatment;
a sensor for measuring a light intensity level at the window;
a controller; and
a memory having instructions stored thereon that when executed by the controller direct the controller to:
provide signals to the at least one motor drive unit to automatically adjust the position of the window treatment so as to control a penetration distance of sunlight into the room;
store a timeclock schedule including a number of timeclock events between a start time and an end time, the timeclock events including respective positions of the motorized window treatment at a plurality of different times between the start time and the end time, the penetration distance controlled according to the timeclock schedule such that the penetration distance will not exceed a sunlight penetration distance threshold at any of the plurality of different times;
determine an angle of incidence between light rays from the sun to the window and a surface normal line perpendicular to a surface of the window;
set a bright threshold value to a first predetermined light intensity value when the determined angle of incidence is within a first range of values, and set the bright threshold value to a second predetermined light intensity value when the determined angle of incidence is within a second range of values, the first predetermined light intensity value being different from the second predetermined light intensity value;
determine from the sensor a measured light intensity level;
compare the measured light intensity level to the bright threshold value;
compute a position of the window treatment using the stored timeclock schedule when the measured light intensity level is less than the bright threshold value; and
adjust the position of the window treatment to a predetermined bright override position when the measured light intensity level is greater than the bright threshold value.

US Pat. No. 9,991,710

LOAD CONTROL SYSTEM PROVIDING MANUAL OVERRIDE OF AN ENERGY SAVINGS MODE

Lutron Electronics Co., I...

1. A load control system for a building having a lighting load located in a space of the building, a heating and cooling system, and a window located in the space of the building, the load control system comprising:a lighting control device configured to control the amount of power delivered to the lighting load;
a daylight control device configured to control the amount of natural light to be admitted into the space through the window;
an occupancy sensor configured to detect whether the space is occupied or unoccupied; and
an input control device comprising an actuator and configured to transmit a digital message to at least one of the lighting control device and the daylight control device in response to a manual actuation of the actuator;
wherein the lighting control device and the daylight control device are configured to operate in an energy-savings mode so as to reduce a total power consumption of the lighting load and the heating and cooling system, the energy-savings mode being manually overridden in response to actuation of the actuator of the input control device to cause the load control system to enter a manual mode in which at least one of the amount of power delivered to the lighting load and the amount of natural light admitted into the space through the window may be manually adjusted; and
wherein the lighting control device and the daylight control device are configured to return to the energy-savings mode in response to the occupancy sensor detecting that the space is unoccupied.

US Pat. No. 9,955,548

WIRELESS CONTROL DEVICE

Lutron Electronics Co., I...

1. A wall-mountable wireless control device comprising:an enclosure;
a bezel, wherein the bezel and the enclosure define a space;
a metal yoke;
a slot antenna located within the space defined by the enclosure and the bezel, the slot antenna configured to communicate radio-frequency signals;
a radio-frequency communication circuit configured to at least one of transmit and receive the radio-frequency signals via the slot antenna; and
one or more conductive elements electrically coupled to the yoke and configured to re-radiate the radio-frequency signals transmitted by the slot antenna.

US Pat. No. 10,070,507

METHOD AND APPARATUS FOR DETERMINING A TARGET LIGHT INTENSITY FROM A PHASE-CONTROL SIGNAL

Lutron Electronics Co., I...

1. An apparatus for controlling an intensity level of a lighting load, the apparatus configured to receive a phase-control voltage characterized by a duty cycle, the apparatus comprising:a load regulation circuit configured to receive a drive control signal and to control the intensity level of the lighting load in response to the drive control signal; and
a control circuit configured to receive a signal representative of the intensity level of the lighting load, and to generate the drive control signal to cause the load regulation circuit to adjust the intensity level of the lighting load towards a target level;
wherein the control circuit is configured to determine the target level for the lighting load in response to the duty cycle of the phase-control voltage, the control circuit configured to adjust the target level for the lighting load using a first time constant in response to changes in the duty cycle of the phase-control voltage that are less than a threshold amount, and to adjust the target level for the lighting load using a second time constant in response to changes in the duty cycle of the phase-control voltage that are greater than the threshold amount, where the second time constant is less than the first time constant.

US Pat. No. 10,068,466

WIRELESS CONTROL DEVICE

Lutron Electronics Co., I...

1. A wall-mountable wireless control device comprising:a yoke configured to mount the control device to an electrical wallbox;
a slot antenna, comprising:
a conductive element defining a slot; and
two drive points on opposite sides of the slot, wherein the slot antenna is configured to communicate radio-frequency signals;
a radio-frequency communication circuit configured to communicate the radio-frequency signals via the slot antenna; and
a control circuit configured to be responsive to the radio-frequency communication circuit.