US Pat. No. 10,314,129

TURN-ON PROCEDURE FOR A LOAD CONTROL DEVICE

Lutron Technology Company...

1. A load control device for controlling the intensity of a lighting load, the load control device comprising:a power converter circuit configured to receive a first voltage and to produce a second voltage across a capacitor; and
a control circuit operatively coupled to the power converter circuit and configured to control the power converter circuit to generate the second voltage across the capacitor;
wherein the control circuit is configured to determine a learned capacitor voltage from the magnitude of the second voltage of the capacitor, the control circuit configured to determine an operating parameter associated with the power converter circuit as a function of the learned capacitor voltage, the control circuit configured to control the power converter circuit according to the operating parameter to charge the capacitor until the magnitude of the second voltage reaches a threshold.

US Pat. No. 10,314,148

FACEPLATE REMOTE CONTROL DEVICE FOR USE IN A LOAD CONTROL SYSTEM

Lutron Technology Company...

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, wherein the housing is configured such that the toggle actuator protrudes through the opening and is operable between a first position and a second position when protruding through the opening;
a user interface integrated with the housing, wherein the user interface 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. 10,426,017

CONTROLLING GROUPS OF ELECTRICAL LOADS VIA MULTICAST AND/OR UNICAST MESSAGES

Lutron Technology Company...

1. An input device for controlling a lighting load, the input device comprising:a user interface responsive to user interface events;
a communication circuit configured to communicate digital messages; and
a control circuit configured to:
detect a user interface event at the user interface;
determine, based on the user interface event, a message transmission configuration, wherein the message transmission configuration includes a message selected from a group comprising a unicast message and a multicast message, wherein the message transmission configuration comprises the multicast message when the user interface event is determined to be a first event configured to cause an intensity change at the lighting load and a number of multicast messages transmitted within a predefined period of time is within a predefined threshold, and wherein the message transmission configuration comprises the unicast message when the user interface event is determined to be a second event that is configured to cause a smaller intensity change at the lighting load than the first event; and
transmit, via the communication circuit, a digital message configured to control the lighting load using the message transmission configuration.

US Pat. No. 10,368,426

ASSOCIATING WIRELESS CONTROL DEVICES

Lutron Technology Company...

1. A control device for a load control system having a load control device configured to control an electrical load, the control device comprising:a button for receiving a user input via an actuation of the button;
a memory;
a communications circuit; and
a control circuit configured to:
identify a first actuation of the button;
generate a first control instruction configured to control the electrical load in response to the first actuation of the button;
send, via the communications circuit, the first control instruction in a first digital message for controlling the electrical load;
in response to the first digital message that includes the first control instruction, receive an identifier configured to associate the control device with at least one other device in the load control system, wherein the at least one other device comprises the load control device configured to control the electrical load;
store the identifier in the memory;
identify a second actuation of the button;
generate a second control instruction configured to control the electrical load in response to the second actuation of the button; and
send, via the communications circuit, the second control instruction in a second digital message that includes the identifier configured to associate the control device with the at least one other device in the load control system.

US Pat. No. 10,306,723

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

Lutron Technology Company...

1. A method for controlling an amount of power delivered to an electrical load, the method comprising:during a normal mode, regulating an average magnitude of a load current conducted through the electrical load by holding a burst duty cycle of a load regulation circuit constant and adjusting a target load current conducted through the electrical load; and
during an intermediate mode and a low-end mode, controlling the load regulation circuit to operate in active state periods during which the load regulation circuit is active and in inactive state periods during which the load regulation circuit is inactive, and
during the intermediate mode, adjusting the burst duty cycle and the average magnitude of the load current by keeping the length of the inactive state periods constant and adjusting the length of the active state periods; and
during the low-end mode, adjusting the burst duty cycle and the average magnitude of the load current by keeping the length of the active state periods constant and adjusting the length of the inactive state periods.

US Pat. No. 10,292,245

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

LUTRON TECHNOLOGY COMPANY...

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 via the power wiring, 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, the reverse digital message being split up into two or more packets; and
wherein the controller is configured to transmit a continuation pattern between the packets of the reverse digital message.

US Pat. No. 10,420,194

CONTROLLING GROUPS OF ELECTRICAL LOADS

Lutron Technology Company...

1. A load control system comprising:a group of lighting devices configured to control an amount of power provided to respective lighting loads; and
a remote control device configured to:
identify an actuation on the remote control device, wherein the actuation is configured to toggle an on/off state of the lighting devices;
transmit a status query message for the on/off state to at least one lighting device of the group of lighting devices in response to the actuation to identify the on/off state of the at least one lighting device prior to controlling one or more lighting devices in the group of lighting devices;
receive a status message from the at least one lighting device of the group of lighting devices, wherein the status message indicates a respective on/off state of the at least one lighting device; and
transmit a digital message configured to control the on/off state of the one or more lighting devices in the group of lighting devices.

US Pat. No. 10,405,411

LOCATION-BASED CONFIGURATION OF A LOAD CONTROL DEVICE

Lutron Technology Company...

1. A lighting control device for controlling an intensity of a lighting load, the lighting control device comprising:a load control circuit adapted to be coupled to the lighting load;
a controller configured to control the load control circuit to control the intensity of the lighting load;
a first communication circuit configured to transmit and receive digital messages; and
an identifier-retrieval circuit comprising a second communication circuit, the identifier-retrieval circuit configured to receive a first digital message including an identifier from an identifier-transmitting device when the lighting control device is mounted in close proximity to the identifier-transmitting device, wherein the identifier transmitted by the identifier-transmitting device is representative of a location of the identifier-transmitting device, the identifier-transmitting device adapted to be installed in a fixture in which the lighting control device is installed;
wherein the controller is configured to transmit a second digital message including the identifier via the first communication circuit, and to subsequently receive a third digital message including a configuration setting associated with the identifier via the first communication circuit.

US Pat. No. 10,375,803

CONTROL DEVICE FOR CONTROLLING MULTIPLE OPERATING CHARACTERISTICS OF AN ELECTRICAL LOAD

Lutron Technology Company...

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:a base portion configured to be mounted to an electrical wallbox or over a mechanical switch;
a first rotating portion configured to be rotatable with respect to the base portion;
a second rotating portion concentric with the first rotating portion and configured to be rotatable with respect to the base portion, the first and second rotating portions occupying different planes along an axis perpendicular to the base portion;
an actuation portion surrounded by at least one of the first or second rotating portion; and
a control circuit configured to generate and transmit first control data for changing a first characteristic of the one or more electrical loads while the first rotating portion is being rotated by a user, the control circuit configured to generate and transmit second control data for changing a second characteristic of the one or more electrical loads while the second rotating portion is being rotated by the user, the control circuit further configured to generate and transmit third control data for turning the one or more electrical loads on and off in response to the actuation portion being pressed in towards the base portion.

US Pat. No. 10,276,322

LASER-CUT BUTTON VENEER FOR A CONTROL DEVICE HAVING A BACKLIT KEYPAD

LUTRON TECHNOLOGY COMPANY...

1. A veneer that is configured to be secured to a backlit button of a control device, the veneer comprising:a plate portion that includes one or more indicia defined therethrough by a laser cutting process, wherein at least one of the one or more indicia comprises an alphanumeric character, and wherein the plate portion defines a rib that suspends a floating portion of the alphanumeric character relative to an open portion of the alphanumeric character, wherein the rib defines a thickness that does not exceed 0.003 inches.

US Pat. No. 10,342,099

TURN-ON PROCEDURE FOR A LOAD CONTROL SYSTEM

Lutron Technology Company...

1. A load regulation device for controlling an electrical load, the load regulation device comprising:a load regulation circuit configured to control the electrical load; and
a control circuit configured to control the load regulation circuit to control an amount of power delivered to the electrical load, the control circuit configured to operate in an on state during which the control circuit controls the load regulation circuit to energize the electrical load, and in a low power state during which the electrical load is unenergized;
wherein the control circuit is configured 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 the 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 or the low power state in response to receiving an actuation of an actuator or in response to determining a lack of the user's presence in a vicinity of the electrical load for a second predetermined period of time.

US Pat. No. 10,342,100

MODULAR LIGHTING PANEL

Lutron Technology Company...

1. A system for controlling a plurality of electrical loads, the system comprising:an electrical control panel comprising:
a control circuit;
an alternating current (AC) line feed;
a direct current (DC) line feed configured to provide DC power from at least one DC power source;
a plurality of power supplies, where each power supply is configured to receive AC power or DC power and output DC power; and
a plurality of control modules, wherein more than one control module is associated with each of the plurality of power supplies, and each control module is configured to receive DC power from an associated power supply and provide a DC voltage to at least one electrical load; and
a grid-tie inverter electrically connected between the DC line feed and the AC line feed, the grid-tie inverter configured to receive DC power via the DC line feed, convert the DC power to AC power, and provide the AC power to the AC line feed;
wherein, based on one or more factors, the control circuit is configured to determine an amount of DC power received via the DC line feed to provide to one or more of the power supplies, and to determine an amount of DC power received via the DC line feed to convert to AC power and direct to the AC line feed.

US Pat. No. 10,342,103

CONTROL DEVICE WITH MULTIPLE FEEDBACK TYPES

Lutron Technology Company...

1. A remote control device comprising:a status indicator configured to be illuminated by three or more light sources; and
a control circuit configured to:
receive device information regarding one or more devices that are responsive to the remote control device, wherein the device information comprises at least one of an address or a device type of each of the one or more devices;
select, based on the device information, a feedback type of a plurality of feedback types to be provided via the status indicator, wherein the plurality of feedback types comprise at least one simple feedback type that is provided in response to a user interface event on the remote control device and at least one advanced feedback type provided in response to a status of one or more load control devices; and
provide feedback according to the selected feedback type via the status indicator by illumination of one or more of the three or more light sources, wherein the control circuit is configured to provide a different illumination configuration of the three or more light sources for different feedback types.

US Pat. No. 10,331,100

ENERGY SAVINGS SELECTOR TOOL

Lutron Technology Company...

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 load control information associated with a 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 or 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 addition to 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 or 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 addition to 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 addition to the first electrical device in the load control system; and
provide to a network device, via a network communication circuit, the savings information associated with using the second electrical device as the recommended addition to the first electrical device in the load control system and information identifying the second electrical device as the recommended addition to the first electrical device in the load control system.

US Pat. No. 10,310,540

METHOD AND APPARATUS FOR PHASE-CONTROLLING A LOAD

Lutron Technology Company...

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:
receive, via an actuator or a communication circuit, a command to turn on;
control the bidirectional semiconductor switch to provide a phase control signal using a reverse phase control technique to control the electrical load in response to the command to turn on;
subsequent to using the reverse phase control technique, control the bidirectional semiconductor switch using a center phase control technique to control the electrical load; and
subsequent using the center phase control technique, control the bidirectional semiconductor switch using a forward phase control technique to control the electrical load.

US Pat. No. 10,305,279

LOAD CONTROL DEVICE HAVING A REDUCED LEAKAGE THROUGH GROUND

Lutron Technology Company...

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 a hot side of the AC power source;
a second electrical connection adapted to be electrically coupled to the electrical device;
a third electrical connection adapted to be electrically coupled to an earth ground connection or a neutral side of the AC power source;
a controllably conductive device 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 between the second and third electrical connections and configured to generate a detect signal indicating a magnitude of the switched-hot voltage;
a switching circuit electrically coupled in series with the detect circuit between the second and third electrical connections; and
a control circuit configured to render the switching circuit conductive to cause the detect circuit to begin generating the detect signal, the control circuit configured to subsequently monitor the detect signal from the detect circuit and to render the switching circuit non-conductive after detecting an edge on the detect signal.

US Pat. No. 10,325,740

LOAD CONTROL DEVICE HAVING STUCK RELAY DETECTION

Lutron Technology Company...

1. A load control device for controlling power delivered from an AC power source to an electrical device, the load control device comprising:a relay adapted to be electrically coupled between the AC power source and the electrical device, the relay being configured to receive a hot voltage from the AC power source and generate a switched-hot voltage for controlling the power delivered to the electrical device;
a detect circuit electrically coupled to the relay to receive the switched-hot voltage 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, in response to determining that the relay is stuck closed, the control circuit is configured to:
attempt to close the relay;
attempt to open the relay;
monitor the detect signal; and
determine whether the relay is stuck closed.

US Pat. No. 10,317,923

LOAD-SENSING REMOTE CONTROL DEVICE FOR USE IN A LOAD CONTROL SYSTEM

Lutron Technology Company...

1. A load control system comprising:a remote control device configured to be clamped around at least one electrical conductor of an AC power cord of an electrical load, the remote control device comprising:
a control circuit;
a sensing circuit communicatively coupled to the control circuit and configured to sense an electrical current of the electrical load, the sensed electrical current indicating a change in state of the electrical load from an on state to an off state;
a programming button communicatively coupled to the control circuit, wherein in response to the programming button being actuated, the control circuit is configured to associate the remote control device with a load control device so that the load control device is responsive to messages transmitted by the remote control device, wherein the load control device is configured to control an intensity of a lighting load by controlling an amount of power delivered to the lighting load, and wherein the lighting load and the electrical load are different loads; and
a communication circuit communicatively coupled to the control circuit and configured to transmit messages to the associated load control device;
wherein in response to sensing, via the sensing circuit, the change in the state of the electrical load from the on state to the off state, the control circuit is configured to transmit a message to the load control device via the communication circuit, wherein the transmitted message includes information related to the change in the state of the electrical load from the on state to the off state, and wherein the transmitted message causes the load control device, in response to receiving the transmitted message, to control the amount of power that is delivered to the lighting load to blink the lighting load by increasing and decreasing the intensity of the lighting load.

US Pat. No. 10,278,268

CONTROLLING LIGHTING LOADS TO ACHIEVE A DESIRED LIGHTING PATTERN

LUTRON TECHNOLOGY COMPANY...

1. A method of controlling a plurality of lighting fixtures to obtain a predefined light profile across a surface, the method comprising:retrieving an image of a space;
determining a lighting level for a first sub-area within the space;
determining a lighting level for a second sub-area within the space;
determining a first lighting fixture that affects the lighting level for the first sub-area and the lighting level for the second sub-area;
determining a second lighting fixture that affects the lighting level for the second sub-area; and
adjusting the first lighting fixture and the second lighting fixture to achieve a first target light level in the first sub-area and a second target light level in the second sub-area, wherein the adjustment of the second lighting fixture is in response to an amount that the first lighting fixture affects the lighting level for the second sub-area when the first lighting fixture is adjusted.

US Pat. No. 10,375,781

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Technology Company...

1. A circuit for controlling an intensity of a LED light source, the circuit comprising:an LED drive circuit configured to control a magnitude of a load current conducted through the LED light source to control the intensity of the LED light source;
a current sense circuit configured to provide a load current feedback signal that indicates the 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 the intensity of the LED light source towards a target intensity;
wherein, when the target intensity is greater than a transition intensity, the control circuit is configured to adjust a value of an operational characteristic of the at least one drive signal in response to the load current feedback signal in order to regulate an average magnitude of the load current towards a target current that ranges from a maximum rated current to a minimum rated current; and
wherein, when the target intensity is less than the transition intensity, the control circuit is configured to control the average magnitude of the load current below the minimum rated current by:
operating in a first state and a second state on a periodic basis;
controlling the LED drive circuit in the first state during a first time period in which the control circuit adjusts the value of 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; and
controlling the LED drive circuit in the second state during a second time period in which the control circuit maintains the operational characteristic of the at least one drive signal approximately constant.

US Pat. No. 10,397,991

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Technology Company...

1. A load control device for controlling power delivered from a power source to an electrical load, the load control device configured to receive an input voltage from the power source, the load control device comprising:a power converter configured to generate a bus voltage;
a load regulation circuit configured to receive the bus voltage and to control the power delivered to the electrical load;
a rectifier circuit configured to receive the input voltage from the power source, the rectifier circuit configured to rectify the input voltage to generate a rectified voltage and provide the rectified voltage to the power converter when the input voltage is an AC voltage, the rectifier circuit further configured to pass through the input voltage to the power converter when the input voltage is a DC voltage, the rectifier comprising first and second input terminals, first and second output terminals, a first controllable switching circuit, and a second controllable switching circuit, the first and second switching circuits rendered non-conductive when the input voltage is an AC voltage and rendered conductive when the input voltage is a DC voltage; and
a control circuit configured to control the load regulation circuit to control the power delivered to the electrical load, the control circuit configured to operate in an AC mode when the input voltage is an AC voltage and in a DC mode when the input voltage is a DC voltage;
wherein the control circuit is configured to disable the power converter when operating in the DC mode.

US Pat. No. 10,339,795

WIRELESS COMMUNICATION DIAGNOSTICS

Lutron Technology Company...

1. A user device for determining whether a message from a control-source device to a control-target device is correctly communicated, wherein the control-source device is configured to indirectly control an amount of power provided to an electrical load by sending messages to the control-target device, the user device comprising:a control circuit configured to:
adjust a wireless range for transmitting a first message to the control-source device;
transmit the first message within the wireless range to the control-source device, wherein the first message comprises a transmission range identifier that indicates a threshold;
receive a second message from the control-source device, wherein the second message is received in a transmission from the control-source device to the control-target device, and wherein the transmission of the second message from the control-source device indicates that a received signal strength of the first message at the control-source device was greater than the threshold indicated by the transmission range identifier; and
determine, based on information in the second message, whether the second message is correctly communicated from the control-source device.

US Pat. No. 10,334,977

MOUNTING BRACKET LOCK

Lutron Technology Company...

1. A window treatment comprising:a rail that is elongate between a first end and an opposed second end;
first and second mounting brackets defining a first attachment member and a second attachment member, respectively, wherein the first and second mounting brackets are configured to attach to the first and second ends of the rail via the respective first and second attachment members;
a covering material that is configured to be supported by the first and second mounting brackets; and
a first mounting bracket lock that is configured to be slidably attached to the rail and that is configured to, when in a locked position, prevent the first attachment member of the first mounting bracket from detaching from the rail;
wherein the first mounting bracket lock defines a first projection that extends from the first mounting bracket lock, the first projection configured to engage with a first surface of the first mounting bracket via a friction fit to secure the first mounting bracket in the locked position.

US Pat. No. 10,398,007

CONTROL MODULE FOR A LIGHTING FIXTURE

Lutron Technology Company...

1. A control module for a lighting fixture, the control module comprising:a front cover portion comprising a plastic lip configured to rest against a bottom edge of a metal lighting fixture;
a main printed circuit board that extends from a front side of the control module to a rear side of the control module, the main printed circuit board having a wireless communication circuit mounted thereto, the main printed circuit board comprising a loop antenna for communicating radio frequency communication signals via the wireless communication circuit, wherein the loop antenna is located on the main printed circuit board such that at least a portion of transmit/receive portions of the loop antenna are contained within the plastic lip when the control module is attached to the lighting fixture; and
a sensor printed circuit board that is attached perpendicular to the main printed circuit board to enable at least one sensing circuit mounted to the sensor printed circuit board to face the front side of the control module.

US Pat. No. 10,455,674

METHODS AND SYSTEMS FOR CONTROLLING AN ELECTRICAL LOAD

Lutron Technology Company...

1. A method for controlling a magnitude of a load current delivered to an electrical load, the method comprising:receiving a command to adjust to the magnitude of the load current a target magnitude of the load current;
adjusting the magnitude of the load current toward the target magnitude in response to receiving the command;
determining that a magnitude of a load voltage across the electrical load is equal to or greater than an upper voltage threshold;
maintaining the magnitude of the load current constant for a period of time based on the magnitude of the load voltage being equal to or greater than the upper voltage threshold;
determining that the magnitude of the load voltage is less than a lower voltage threshold; and
adjusting the magnitude of the load current toward the target magnitude based on the magnitude of the load voltage being less than the lower voltage threshold.

US Pat. No. 10,455,659

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Technology Company...

1. A circuit for controlling an intensity of a LED light source, the circuit comprising:an LED drive circuit configured to control a magnitude of a load current conducted through the LED light source to control the intensity of the LED light source;
a current sense circuit configured to provide a load current feedback signal that indicates the magnitude of the load current; and
a control circuit configured to generate at least one drive signal for controlling the LED drive circuit to control an average magnitude of the load current to adjust the intensity of the LED light source towards a target intensity;
wherein the control circuit is configured to:
operate in a first state and a second state on a periodic basis over a plurality of burst periods, each of the plurality of burst periods including a first time period and a second time period;
control the LED drive circuit in the first state during the first time period in which the control circuit adjusts a value of an operational characteristic of the at least one drive signal to regulate a peak magnitude of the load current towards a target current in response to the load current feedback signal;
control the LED drive circuit in the second state during the second time period in which the control circuit maintains the operational characteristic of the at least one drive signal approximately constant; and
adjust the average magnitude of the load current by adjusting a length of one of the first or second time period while holding a length of the other of the first or second time period constant in at least some of the burst periods.

US Pat. No. 10,367,582

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

Lutron Technology Company...

1. A control device for controlling an electrical load comprising:a wireless communication module configured to receive wireless communications on a wireless network;
a controller responsive to the wireless communication module; and
an optical module configured 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 device, wherein the programming instructions are configured to enable the wireless communication module to receive 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 messages on the wireless network via the wireless communication module, the controller further configured to control the electrical load in response to the messages received via the wireless communications on the wireless network.

US Pat. No. 10,455,660

CONTROL DEVICE HAVING BUTTONS WITH MULTIPLE-LEVEL BACKLIGHTING

Lutron Technology Company...

1. A control device comprising:a backlighting circuit including a first light source, a second light source, and a third light source;
a first button having a first indicia configured to be illuminated by the first light source;
a second button having a second indicia configured to be illuminated by the second light source;
a third button having a third indicia configured to be illuminated by the third light source; 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 of the backlighting circuit, the control circuit configured to:
control the first light source to emit light at a first source illumination intensity to illuminate the first indicia on the first button;
control the second light source to emit light at a second source illumination intensity to illuminate the second indicia on the second button; and
control the third light source to emit light at a third source illumination intensity to illuminate the third indicia on the third button;
wherein the first button is located between the second and third buttons, and the first indicia on the first button is located closer to the second button than the third button; and
wherein the control circuit is configured to set both of the second and third source illumination intensities to be less than the first source illumination intensity so that the first indicia on the first button is illuminated to a brighter intensity than the respective indicia on the second and third buttons, the control circuit further configured to set the second source illumination intensity to be less than the third source illumination intensity so that the second and third buttons are illuminated to the same intensity.

US Pat. No. 10,448,473

LOAD CONTROL DEVICE FOR A LIGHT-EMITTING DIODE LIGHT SOURCE

Lutron Technology Company...

1. A light-emitting diode (LED) driver for controlling an intensity of an LED light source, the LED driver comprising:an LED drive circuit configured to control a magnitude of a load current conducted through the LED light source to control the intensity of the LED light source, the LED drive circuit including a controllable-impedance circuit adapted to conduct the load current through the LED light source; and
a control circuit operatively coupled to the controllable-impedance circuit of the LED drive circuit to control the intensity of the LED light source to a target intensity, the control circuit configured to control the controllable-impedance circuit to adjust a peak magnitude of the load current, the control circuit configured to control a duty cycle of the load current to adjust an average magnitude of the load current;
wherein the control circuit is configured to control the intensity of the LED light source by maintaining a frequency of the load current constant and adjusting an on time of the load current when the target intensity is above a predetermined threshold, and maintaining the on time of the load current constant and adjusting the frequency of the load current when the target intensity is below the predetermined threshold.

US Pat. No. 10,420,187

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

Lutron Technology Company...

1. A lighting fixture configured to emit a cumulative light, the lighting fixture comprising:a first light source;
a second light source;
a first driver coupled to the first light source and configured to control an intensity of the first light source;
a second driver coupled to the second light source and configured to control an intensity of the second light source;
wherein the first and second drivers are coupled to a communication link and configured to communicate on the communication link using a respective sub-address; and
wherein the first and second drivers are configured to:
receive, via the communication link, a single digital message;
determine whether the single digital message includes a link address;
based on determining that the message includes the link address, determine whether the digital message includes a parameter, wherein the parameter indicates a specific color temperature;
based on determining that the single digital message includes the parameter, determine a preset intensity for the respective light source of the first and second light sources; and
adjust the intensity of the respective light source to the preset intensity.

US Pat. No. 10,420,185

SYSTEMS AND METHODS FOR CONTROLLING COLOR TEMPERATURE

Lutron Technology Company...

1. A system controller for a load control system having a plurality of lighting fixtures in a space, the system controller comprising:a communication circuit configured to transmit and receive messages;
a memory for storing fixture capability information associated with one or more of the plurality of lighting fixtures located in the space; and
a control circuit configured to:
receive the fixture capability information for the plurality of lighting fixtures via the communication circuit,
wherein the fixture capability information comprises at least a first color temperature range associated with a color temperature for a first lighting fixture of the plurality of lighting fixtures and a second color temperature range associated with a color temperature for a second lighting fixture of the plurality of lighting fixtures,
wherein each of the first color temperature range and the second color temperature range comprise a respective color temperature range between a warm-white color temperature and a respective cool-white color temperature;
compare the first color temperature range with the second color temperature range;
determine a third color temperature range that is common to the first color temperature range associated with the first lighting fixture and the second color temperature range associated with the second lighting fixture,
wherein the determined third color temperature range comprises a maximum warm-white color temperature that is common to the first color temperature range and the second color temperature range,
and wherein the third color temperature range comprises a minimum cool-white color temperature that is common to the first color temperature range and the second color temperature range, and
update the respective color temperature range of each of the first lighting fixture and the second lighting fixture such that control of each of the first lighting fixture and second lighting fixture is limited within the maximum warm-white color temperature and the minimum cool-white color temperature of the third color temperature range that is common to the first color temperature range associated with the first lighting fixture and the second color temperature range associated with the second lighting fixture.

US Pat. No. 10,410,802

SELF-ADJUSTING FRAME FOR MOUNTING OVER A WALL-MOUNTED ELECTRICAL DEVICE

Lutron Technology Company...

1. A remote control device that is configured 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 mounting frame that is configured to be attached to a yoke of a mechanical switch installed in a wallbox, wherein the mechanical switch controls whether power is delivered to the electrical load;
a control unit that is configured to be attached to the mounting frame, the control unit including a control interface and a wireless communication circuit, the control unit configured to translate a user input from the control interface into a control signal that controls the load control device, the control unit further configured to cause the wireless communication circuit to transmit the control signal; and
a faceplate that is configured to be attached to the mounting frame, the faceplate having an opening that is configured to receive at least a portion of the control interface,
wherein the mounting frame includes a biasing member that extends inward from a perimeter wall of the mounting frame, the biasing member configured to bias a rear surface of the mounting frame against an outer surface of a structure that surrounds the wallbox, and
wherein the biasing member includes an attachment portion and a pair of resilient spring arms that suspend the attachment portion relative to the perimeter wall of the mounting frame such that the attachment portion is spaced outward relative to the rear surface of the mounting frame.

US Pat. No. 10,379,208

FAN SPEED CONTROL DEVICE

Lutron Technology Company...

1. A motor control device for a ceiling fan, the motor control device comprising:a motor drive circuit configured to control a rotational speed of a motor of the ceiling fan;
a RADAR circuit configured to transmit and receive RADAR signals; and
a control circuit configured to:
receive the received RADAR signals from the RADAR circuit;
process the received RADAR signals to detect harmonic frequencies present in the received RADAR signals due to a wobbling of the ceiling fan; and
detect an occupancy condition or a vacancy condition in response to the processed RADAR signals.

US Pat. No. 10,379,505

COMMISSIONING LOAD CONTROL SYSTEMS

Lutron Technology Company...

1. A load control system comprising:a plurality of control devices, wherein the plurality of control devices include a control-source device and a control-target device, wherein the control-target device is capable of controlling an amount of power provided to an electrical load at a location based on digital messages received from the control-source device, and wherein the control-source device or the control-target device is determined to be a load control discovery device configured to send a discovery message to the plurality of control devices; and
a system controller, wherein the system controller is configured to discover one or more of the plurality of control devices that received the discovery message from the load control discovery device, wherein the system controller is configured to notify a network device of the discovered one or more of the plurality of control devices that received the discovery message, and wherein the system controller is configured to receive association information from the network device that indicates an association of at least one of the discovered one or more of the plurality of control devices with the location of the electrical load for enabling control of the electrical load at the location.

US Pat. No. 10,462,867

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

Lutron Technology Company...

1. A circuit for controlling an intensity of a light-emitting diode (LED) light source, the circuit comprising:an LED drive circuit configured to control a magnitude of a load current conducted through the LED light source to control the intensity of the LED light source;
a current sense circuit configured to provide a load current feedback signal that indicates the magnitude of the load current; and
a control circuit configured to generate at least one drive signal for controlling the LED drive circuit to control an average magnitude of the load current to adjust the intensity of the LED light source towards a target intensity;
wherein the control circuit is configured to:
operate in a first state and a second state on a periodic basis over a plurality of burst periods, each of the plurality of burst periods including a first time period and a second time period;
control the LED drive circuit in the first state during the first time period in which the control circuit adjusts a value of an operational characteristic of the at least one drive signal to regulate a peak magnitude of the load current towards a target current in response to the load current feedback signal;
control the LED drive circuit in the second state during the second time period in which the control circuit maintains the operational characteristic of the at least one drive signal approximately constant;
when the target intensity is within a first intensity range, adjust the average magnitude of the load current by keeping a length of the first time period constant and adjusting a length of the second time period; and
when the target intensity is within a second intensity range, adjust the average magnitude of the load current by keeping the length of the second time period constant and adjusting the length of the first time period.

US Pat. No. 10,462,882

CONTROL SYSTEM WITH OCCUPANCY SENSING

Lutron Technology Company...

1. A control device for controlling power delivered to an electrical load, the control device comprising:a receiver configured to receive signals from occupancy sensors, the signals comprising an occupied signal indicating an occupancy condition and a vacant signal indicating a vacancy condition, the vacant signal transmitted based on the occupancy condition not being detected by the respective occupancy sensor;
a memory; and
a controller configured to control the power delivered to the electrical load in response to the signals received via the receiver based on a determination of which one of the occupied signal and the vacant signal is received, the controller configured to store in the memory for a respective occupancy sensor an occupied indication when the controller receives the occupied signal from the respective sensor, and store in the memory for a respective occupancy sensor a vacant indication when the controller receives the vacant signal from the respective sensor;
wherein the controller is configured not to cease the delivery of power to the electrical load based on a vacant signal received from one of the occupancy sensors when the memory indicates the occupied indication for at least one other occupancy sensor, the controller further configured to cease the delivery of power to the electrical load based on a vacant signal received from one of the occupancy sensors when the memory indicates the vacant indication for all other occupancy sensors.

US Pat. No. 10,447,036

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

Lutron Technology Company...

1. A load control system comprising:a plurality of wireless transmitters configured to transmit wireless signals;
a plurality of load control devices, each of the plurality of load control devise adapted to control at least one respective electrical load, the plurality of load control devices including a first load control device that is configurable to be responsive to wireless signals transmitted by one or more of the plurality of wireless transmitters by controlling the respective electrical load based on the wireless signals received from the one or more wireless transmitters; and
a controller configured to enter an association mode, and while in the association mode:
receive a first digital message from the first load control device, the first digital message including a unique identifier of the first load control device;
subsequent to receiving the first digital message, receive a second digital message from the first load control device, wherein the first load control device is configured to include in the second digital message a unique identifier of a first one of the plurality of wireless transmitters when the first load control device has been configured to be responsive to wireless signals transmitted by the first one of the wireless transmitters; and
associate the first load control device with the controller such that the first load control device is responsive to wireless signals transmitted from the controller to the first load control device.

US Pat. No. 10,429,809

DISPLAY AND CONTROL OF LOAD CONTROL DEVICES IN A FLOORPLAN

Lutron Technology Company...

1. A load control system comprising a motorized window treatment configured to control a position of a covering material in a load control environment, the load control system comprising:an electrical load control device, wherein the electrical load control device comprises the motorized window treatment configured to control the position of the covering material in the load control environment; and
a computing device configured to:
receive load control information associated with the electrical load control device, wherein the load control information comprises status information associated with the motorized window treatment, and wherein the load control information includes at least one of window sensor information that indicates an amount of natural light directly received at a window, weather information, a global position system (GPS) location associated with the load control environment, or at least one of a date or time;
determine, based on the load control information, at least one of a direction or an intensity of natural light allowed by the covering material of the motorized window treatment in at least one area in the load control environment; and
display a floorplan comprising the at least one area in the load control environment, wherein the floorplan comprises a graphical representation indicating the position of the covering material and the at least one of the direction or the intensity of the natural light allowed by the covering material of the motorized window treatment in the at least one area in the load control environment.

US Pat. No. 10,416,749

TEMPERATURE CONTROL DEVICE WITH AUTOMATICALLY ADJUSTABLE BACKLIGHTING

Lutron Technology Company...

1. A method for controlling an HVAC system by a control circuit of a temperature control device, the method comprising:receiving a temperature control signal indicating a temperature in a space around the temperature control device;
receiving a set point temperature;
controlling, in an idle state, an internal electrical load to a first state;
sampling, in the idle state, the temperature control signal;
determining, in the idle state, a sampled temperature based on the temperature control signal;
storing, in the idle state, the sampled temperature in memory;
controlling, in an awake state, the internal electrical load to a second state, wherein the internal electrical load consumes more power in the second state than in the first state;
ceasing sampling of the temperature control signal, in the awake state;
retrieving, in the awake state, the sampled temperature stored in the memory during the idle state;
comparing the retrieved sampled temperature to the set point temperature; and
based on comparing the retrieved sampled temperature to the set point temperature, controlling the HVAC system.

US Pat. No. 10,407,982

RETENTION SYSTEMS FOR WINDOW TREATMENT INSTALLATIONS

Lutron Technology Company...

1. A roller shade retention system comprising:a roller shade assembly that defines opposed first and second ends that are spaced from each other, the roller shade assembly comprising a roller tube and a shade material, and configured to be secured in a mounted position relative to a structure such that an axis of rotation of the roller shade assembly remains in a fixed location relative to the structure during normal operation of the roller shade assembly;
a first retention bracket that, when mounted to the structure at a first location, is configured to at least partially surround a first portion of the roller shade assembly such that, during normal operation of the roller shade assembly, the first retention bracket does not carry weight of the roller tube or the shade material; and
a second retention bracket that, when mounted to the structure at a second location that is spaced from the first location, is configured to at least partially surround a second portion of the roller shade assembly such that, during normal operation of the roller shade assembly, the second retention bracket does not carry weight of the roller tube or the shade material,
wherein the first and second retention brackets are further configured to absorb corresponding portions of an impact force associated with detachment of the roller shade assembly from the mounted position, and to limit displacement of the detached roller shade assembly from the mounted position; and wherein the first and second retention brackets define respective first and second openings that are sized to allow raising and lowering of the shade material of the roller shade assembly therethrough, wherein a width of at least one of the first and second openings is narrower than a diameter of the roller tube.

US Pat. No. 10,452,153

GESTURE-BASED LOAD CONTROL

Lutron Technology Company...

1. A control device for controlling an amount of power provided to electrical loads via a plurality of load control devices, the control device comprising:a controller configured to:
identify a gesture indicated by a user, wherein the gesture is associated with a scene that is configured to control the plurality of load control devices;
determine the plurality of load control devices based on the gesture;
determine control instructions for each load control device of the plurality of load control devices based on the gesture; and
send the control instructions for each load control device of the plurality of load control devices to control the amount of power provided to the electrical loads.

US Pat. No. 10,447,171

LOAD CONTROL DEVICE FOR HIGH-EFFICIENCY LOADS

Lutron Technology Company...

1. A dimmer switch for controlling an amount of power delivered from an AC power source to a lighting load for controlling an intensity of the lighting load, the dimmer switch comprising:a triac adapted to be electrically coupled between the AC power source and the lighting load, the triac having first and second main terminals through which current can be conducted to energize the lighting load and a gate terminal through which current can be conducted to render the triac conductive between the first and second main terminals;
a gate coupling circuit electrically coupled to the first main terminal of the triac and arranged to conduct current through the gate terminal of the triac;
a controllable switching circuit electrically coupled in series between the gate coupling circuit and the gate terminal of the triac and configured to conduct current through the gate terminal of the triac; 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 triac at a firing time during a present half-cycle of an AC mains voltage of the AC power source to render the triac conductive, the control circuit configured to control the firing time to adjust the intensity of the lighting load;
wherein the control circuit is 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 triac after the firing time during the present half-cycle, the control circuit 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 triac during the present half-cycle.

US Pat. No. 10,446,019

GESTURE-BASED CONTROL DEVICE FOR CONTROLLING AN ELECTRICAL LOAD

Lutron Technology Company...

1. A control device configured for use in a lighting control system to control respective amount of power delivered to a plurality of lighting loads, the lighting loads being external to the control device, the control device comprising:a base portion configured to be mounted over a toggle actuator of a mechanical switch that controls power delivered to at least one of the lighting loads; and
a control unit comprising a touch sensitive surface configured to detect a first user input and a second user input, a control circuit responsive to the touch sensitive surface, and a communication circuit configured to transmit control signals;
wherein the control circuit is configured to generate first control data to adjust the respective amount of power delivered to each of the plurality of lighting loads to an absolute power level based on the first user input, the absolute power level corresponding to a percentage of respective maximum power levels of the plurality of lighting loads, the control circuit configured to generate second control data to adjust the respective amount of power delivered to the plurality of lighting loads by a relative amount based on the second user input, the relative amount corresponding to an amount of adjustment relative to respective present power levels of the plurality of lighting loads, the control circuit further configured to transmit a first control signal including the first control data and a second control signal including the second control data via the communication circuit.

US Pat. No. 10,432,705

CONFIGURING CONTROL DEVICES OPERABLE FOR A LOAD CONTROL ENVIRONMENT

Lutron Technology Company...

12. A method comprising:causing a network device to display a plurality of configuration parameters, wherein the plurality of the configuration parameters are each associated with a plurality of configuration options for configuring control devices;
receiving, from a network device, an indication of a selection of a first configuration parameter associated with a control device;
determining configuration options for the first configuration parameter of the control device, wherein the determination of the configuration options indicates compatible configuration options based on a previously selected configuration option for a second configuration parameter of the control device, and wherein the determination of the configuration options indicates incompatible configuration options based on the previously selected configuration option for the second configuration parameter of the control device;
based on the determination, causing the network device to display the compatible configuration options and the incompatible configuration options;
receiving, from the network device, an indication of a selection of an incompatible configuration option of the first configuration parameter;
based on the selection of the incompatible configuration option of the first configuration parameter:
generating a result set that identifies control devices that meet the selected incompatible configuration option of the first configuration parameter;
determining from the result set that the selected incompatible configuration option of the first configuration parameter is not compatible with at least the selected configuration option for the second configuration parameter; and
causing the network device to display an alert message that indicates that the selected incompatible configuration option of the first configuration parameter is not compatible with the selected configuration option for the second configuration parameter.

US Pat. No. 10,424,192

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

Lutron Technology Company...

1. A remote control device configured for use with a load control device for controlling an electrical load, the remote control device comprising:a housing comprising:
a first surface having a resiliently deformable portion configured to be operated from a relaxed state to a deformed state; and
a second surface substantially parallel to the first surface, the second surface comprising a capacitive touch surface configured to provide and receive touch controls for controlling the electrical load using the load control device;
a printed circuit board disposed in the housing, the printed circuit board comprising a switch disposed between the first and second surfaces, the switch configured to awaken the capacitive touch surface from a sleep state, wherein the sleep state comprises a low power state that disables the receipt of the touch controls on the capacitive touch surface; and
a member in contact with the deformable portion of the housing;
wherein, when the deformable portion of the housing is deformed into the deformed state, the member electrically contacts the switch such that the capacitive touch surface is awakened from the sleep state to enable the capacitive touch surface to receive the touch controls for controlling the electrical load using the load control device.

US Pat. No. 10,424,451

CONTROLLING A CONTROLLABLY CONDUCTIVE DEVICE BASED ON ZERO-CROSSING DETECTION

Lutron Technology Company...

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 electrical connection with the AC power source and the electrical load;
a zero-cross detect circuit configured to generate zero-cross signals, each representative of a zero-crossing of an AC voltage of the AC power source; and
a control circuit operatively coupled to the controllably conductive device and the zero-cross detect circuit and configured to:
receive from the zero-cross detect circuit a zero-cross signal representative of a zero-crossing of the AC voltage;
at a delay time following the received zero-cross signal, change a conductive state of the controllably conductive device;
determine whether the change in the conductive state of the controllably conductive device occurs within an error window, wherein the error window is based on the received zero-cross signal; and
adjust the delay time based upon determining that the change in the conductive state occurs within the error window.

US Pat. No. 10,461,661

LOAD CONTROL DEVICE FOR CONTROLLING A DRIVER FOR A LIGHTING LOAD

Lutron Technology Company...

1. A load control device for controlling a load regulation device adapted to control power delivered from an AC power source to an electrical load, the load control device comprising:a control terminal adapted to be coupled to the load regulation device for providing a control signal to the load regulation device, the control signal having a magnitude indicating a target amount of power to be delivered to the electrical load;
a communication circuit coupled to the control terminal for generating the control signal; and
a control circuit configured to:
prior to the communication circuit generating the control signal at the control terminal, receive a feedback signal indicating a magnitude of a voltage at the control terminal;
monitor the magnitude of the voltage at the control terminal to determine if the load regulation device is generating a link supply voltage;
based on the determinization, enter a normal mode or a fault mode; and
in the normal mode, provide an output signal to the communication circuit to cause the communication circuit to control the magnitude of the control signal in response to a magnitude of the output signal.

US Pat. No. 10,461,953

LOAD CONTROL SYSTEM HAVING AUDIO CONTROL DEVICES

Lutron Technology Company...

1. A control system comprising:a plurality of audio output devices; and
a remote control device comprising a button for selecting a preset, the actuation of the button causing different commands to be transmitted to at least two of the audio output devices;
wherein the at least two of the audio output devices are configured to be controlled according to the different commands in response to the actuation of the button of the remote control device.

US Pat. No. 10,423,133

CONFIGURING A LOAD CONTROL SYSTEM

Lutron Technology Company...

1. A method of configuring a load control system using a graphical user interface, the method comprising:displaying by at least one processor a first panel icon representing a first load control panel capable of housing control devices for controlling at least one electrical load;
responsive to determining a selection of the first panel icon, displaying by the at least one processor a configuration window for the first load control panel;
displaying by the at least one processor on the configuration window a listing of control devices that are to be installed in a housing of the first load control panel;
in response to a selection of an additional control device, adding by the at least one processor the additional control device to the listing of control devices on the configuration window that are to be installed in the housing of the first load control panel;
generating by the at least one processor a model number for the first load control panel having the control devices displayed in the listing of control devices on the configuration window that are to be installed in the housing of the first load control panel; and
associating by the at least one processor the model number with the first panel icon.

US Pat. No. 10,424,233

CONTROL DEVICE HAVING BUTTONS WITH BACKLIT INDICIA

Lutron Technology Company...

1. A veneer that is configured to be attached to a control device, the veneer comprising:a front surface;
an indicium defined through the front surface, the indicium comprising:
an open portion;
a floating portion within the open portion; and
a rib that suspends the floating portion within to the open portion;
wherein the rib comprises:
an upper surface that is recessed relative to the front surface; and
opposed sides that extend from a base of the rib to the upper surface; and
wherein the sides are configured to be tapered between the base and the upper surface such that the upper surface is narrower than the base.

US Pat. No. 10,477,651

CONTROL DEVICE HAVING AN ILLUMINATED PORTION CONTROLLED IN RESPONSE TO AN EXTERNAL SENSOR

Lutron Technology Company...

1. A system for controlling one or more electrical loads, the system comprising:a plurality of control devices installed in a multi-gang configuration, each of the plurality of control devices configured to receive a user input and control at least one of the electrical loads, the control devices each comprising a user interface and a light source internal to a housing of the control device, the light source configured to illuminate the user interface to provide feedback to a user of the control device; and
a first sensor internal to and within the housing of one of the plurality of control devices and external to and outside of the housing of at least another one of the plurality of control devices, the first sensor configured to sense a condition of a space in which the plurality of control devices are installed, wherein all of the plurality of the control devices are configured to control their respective light sources in response to the condition sensed by the first sensor.

US Pat. No. 10,477,656

METHOD OF ASSOCIATING WIRELESS CONTROL DEVICES

Lutron Technology Company...

1. A method for associating a device with a controllable light source, the method comprising:receiving, at the controllable light source, a first wireless signal at a first time and a second wireless signal at a second time subsequent to the first time, the first and second wireless signals received from the device;
measuring, by the controllable light source, a respective signal strength of each of the first and second wireless signals;
determining, by the controllable light source, a difference in signal strength between the first and second wireless signals received by the controllable light source;
comparing, by the controllable light source, the difference in signal strength to a threshold; and
associating the device and the controllable light source when the difference in signal strength exceeds the threshold.

US Pat. No. 10,475,333

GESTURE-BASED CONTROL DEVICE FOR CONTROLLING AN ELECTRICAL LOAD

Lutron Technology Company...

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:a base portion configured to be mounted over a toggle actuator of a mechanical switch that controls whether power is delivered to the one or more electrical loads;
a front surface that comprises a plurality of touch sensitive areas;
one or more light sources configured to illuminate the plurality of touch sensitive areas; and
a control circuit configured to:
control the one or more light sources so that the touch sensitive areas are unilluminated by the one or more light sources;
determine that a user input has been received, the user input indicating that the touch sensitive areas should be illuminated;
control the one or more light sources to illuminate the touch sensitive areas of the front surface; and
in response to an actuation of one of the touch sensitive areas, generate control data for controlling an amount of power delivered to the one or more electrical loads.

US Pat. No. 10,475,596

CONTROL DEVICE BASE THAT ATTACHES TO THE PADDLE ACTUATOR OF A MECHANICAL SWITCH

Lutron Technology Company...

1. A base configured to be attached to a paddle actuator of an installed mechanical switch, wherein the installed mechanical switch controls whether power is delivered to an electrical load, the base comprising:a mounting tab that is configured to be attached to a protruding portion of the paddle actuator, the protruding portion projecting outward when the installed mechanical switch is operated into a position that causes power to be delivered to the electrical load; and
a frame that defines an opening that is configured to receive the protruding portion of the paddle actuator therein, wherein, when the protruding portion is received in the opening, the frame at least partially surrounds the paddle actuator,
wherein the mounting tab and the frame are configured to, when the base is attached to the paddle actuator, cause a rear surface of the frame to be biased against a structure that surrounds the paddle actuator.

US Pat. No. 10,476,126

WIRELESS CONTROL DEVICE HAVING AN ANTENNA ILLUMINATED WITH VISIBLE LIGHT

Lutron Technology Company...

1. A wireless control device configured to be installed on a ceiling, the wireless control device comprising:a housing comprising a light-transmissive cover and a base portion;
wherein the light-transmissive cover is configured to protrude from the base portion;
wherein the base portion is configured to be attached to the ceiling and defines an enclosed volume;
a printed circuit board disposed within the enclosed volume of the base portion;
a wireless communication circuit mounted to the printed circuit board;
an antenna coupled to said wireless communication circuit and configured to communicate wireless signals, the antenna electrically connected to, and extending in a normal direction away from, the printed circuit board;
wherein the antenna comprises a first portion and a second portion different from the first portion;
a control circuit coupled to said wireless communication circuit, mounted to the printed circuit board, and configured to control the generation of signals by said wireless communication circuit to be transmitted by said antenna;
a visible-light-generating circuit coupled to said control circuit and mounted to the printed circuit board;
a light pipe proximate to the visible-light-generating circuit and disposed within the enclosed volume of the base, the light pipe configured to provide an amount of light energy from the visible-light-generating circuit to the light-transmissive cover; and
a reflective shroud disposed within the enclosed volume of the base and surrounding said light pipe to reduce loss of light energy from said light pipe; and
wherein the first portion of the antenna is disposed inside of the enclosed volume of the base portion of the housing and is surrounded by the light pipe and the reflective shroud; and
wherein the second portion of the antenna is surrounded by the light-transmissive cover.