US Pat. No. 9,974,150

SECURE DEVICE REJOINING FOR MESH NETWORK DEVICES

RAB Lighting Inc., North...

1. A lighting control system having a wireless mesh network, the system comprising:at least one proprietary link key;
a gateway including a communications module acting as a coordinator of the network, the coordinator storing and providing a current network key, the at least one proprietary link key, and an updated link key; and,
a plurality of devices each including a device radio module and data storage storing the at least one proprietary link key; and,
wherein the communications module initially joins to the mesh network one of the plurality of devices by:
receiving a join request from a device radio module;
sending to the device radio module a current network key encrypted by the proprietary link key; and
generating, storing, and sending to the device radio module an updated link key encrypted by the current network key, the joining one of a plurality of devices storing the updated link key; and,
wherein the communications module rejoins to the mesh network one of the plurality of devices by:
receiving a join request from a device radio module; and
sending to the device radio module the current network key encrypted by the updated link key.

US Pat. No. 9,883,567

DEVICE INDICATION AND COMMISSIONING FOR A LIGHTING CONTROL SYSTEM

RAB Lighting Inc., Nroth...

1. A method of configuring a wireless device control system, wherein the wireless device control system includes a server
system, a site system, and a plurality of user devices, the method comprising steps of:
displaying representations of devices of the site system on a user interface of one of the user devices;
actuating a device identification feature on a selected device of the site system;
detecting actuation of a device identification feature by a gateway of the site system, wherein the selected device has a
unique device identifier;

communicating an indication of the actuation and the unique device identifier from the gateway to the server system; and
changing a representation corresponding to the selected device on the user interface responsive to receipt of the indication
of the actuation and the unique device identifier by the server system.

US Pat. No. 9,134,015

MULTIPLE ANGLE MOUNTING ARM FOR LIGHT FIXTURES

RAB Lighting Inc., North...

1. A mounting arm for mounting a light fixture to a support structure in a plurality of tilt positions, comprising:
a mounting pad defined by the light fixture;
a first arm portion defining a first arm first end and a first arm second end, the first arm first end coupled with the mounting
pad;

a second arm portion defining a second arm first end and a second arm second end, the second arm first end coupled with the
first arm second end through a non-pivotable joint, the second arm second end coupled with a support structure through a non-pivotable
joint;

at least one of the first arm portion and second arm portion rotatable between a first rotational position and a second rotational
position; and

wherein changing an orientation of one of the first arm portion and second arm portion, from the first to the second rotational
position tilts the light fixture from a first to a second of the plurality of tilt positions.

US Pat. No. 9,131,544

LED DRIVER PROTECTION CIRCUIT

RAB Lighting Inc., North...

1. An LED driver circuit, comprising:
a flyback converter having an input circuit and an output circuit;
a power factor correction (PFC) controller associated with the input circuit and having a control input;
a constant voltage and constant current secondary controller associated with the output circuit, and an output of the secondary
controller providing a control signal to the control input of the PFC controller;

an optocoupler coupling the output of the secondary controller and the control input of the PFC controller, thereby providing
isolation between the input circuit and the output circuit;

a resistive voltage divider coupled across the output of the output circuit, the midpoint node of which is coupled to a voltage
control input of the secondary controller, values selected for the resistive voltage divider providing the selected maximum
output voltage; and,

wherein current control and voltage control regulation of an output of the output circuit is provided by the operation of
the PFC controller and the secondary controller; and

wherein the secondary controller further provides a selected maximum output voltage across an output of the output circuit
in the event of open circuit across the output.

US Pat. No. 9,273,863

LIGHT FIXTURE WITH AIRFLOW PASSAGE SEPARATING DRIVER AND EMITTER

RAB Lighting Inc., North...

1. A light fixture for a light source having an emitter and driver, comprising:
an emitter housing defining an emitter mount, the emitter coupled to the emitter mount, the emitter housing defining a rear
surface, a left side, and a right side, and wherein each of the left and right side define a top edge and a bottom edge;

a driver housing, the driver coupled to the driver housing, the driver housing defining a front surface, a left side, and
a right side, and wherein each of the left and right side defining a top edge and a bottom edge;

an airflow passage defined by a space between the rear surface of the emitter housing and the front surface of the driver
housing; and

a first plurality of flattened fins located in the airflow passage and defining vertical oriented airflow channels, the vertical
oriented airflow channels opening to a top side and a bottom side of the fixture, top and bottom edges defined by each of
the first plurality of fins;

wherein the fins are oriented in a direction of airflow through the airflow channels;
and wherein the top edges of the first plurality of fins are coplanar with the top edges of the left side and the right side
of the emitter housing.

US Pat. No. 9,062,864

LIGHT FIXTURE WITH SELECTABLE EMITTER AND REFLECTOR CONFIGURATION

RAB Lighting Inc., North...

1. A light fixture for light emitters, comprising:
a light housing;
a thermally conductive annular surface defining a plurality of contiguous mounting pads and thermally coupled to the light
housing, the plurality of contiguous mounting pads inwardly facing one another; and

a plurality of light emitter packages coupled to selective ones of the plurality of contiguous mounting pads according to
a selected arrangement, each of the plurality of light emitter packages including a light emitter and a heatsink, the heatsink
thermally coupling the light emitter and one of the plurality of contiguous mounting pads.

US Pat. No. 9,279,576

LIGHT FIXTURE WITH INTERCHANGEABLE HEATSINK TRAYS AND REFLECTORS

RAB Lighting Inc., North...

1. A light fixture, comprising:
a light housing defining a tray receptacle; and
a plurality of different thermally conductive heat sink trays, each of the plurality of heat sink trays:
being interchangeably mountable in the tray receptacle;
defining a plurality of discontiguous mounting pads;
having a plurality of light emitter packages; and
providing a different lighting pattern than a different one of the plurality of heat sink trays;
wherein each of the plurality of light emitter packages is mounted on one of the plurality of mounting pads, and wherein the
number of light emitter packages matches the number of mounting pads;

wherein the relative orientations of the plurality of mounting pads and light emitter packages of one of the plurality of
heat sink trays are different than the relative orientations of the plurality of mounting pads and light emitter packages
of a different one of the plurality of heat sink trays.

US Pat. No. 9,206,968

RECESSED LIGHT FIXTURE WITH TWO-AXIS ROTATIONAL ARM

RAB Lighting Inc., North...

1. A light fixture for recessed lighting installation, comprising:
a recessed light housing supporting a light source;
an arm extending from a first side of the recessed light housing and supporting a power supply for the light source;
a lateral pivot rotationally coupling the arm and the recessed light housing at a first axis; and
an elevational pivot rotationally coupling the arm and the recessed light housing at a second axis.

US Pat. No. 10,085,328

WIRELESS LIGHTING CONTROL SYSTEMS AND METHODS

RAB Lighting Inc., North...

1. A method for a gateway to monitor a lighting control and monitoring device status in a wireless lighting control system, comprising:monitoring communication between the lighting control and monitoring device and gateway;
monitoring power supplied to the lighting control and monitoring device;
detecting power loss to the lighting control and monitoring device;
powering the lighting control and monitoring device after power loss with a capacitive circuit;
sending a power loss message from the lighting control and monitoring device to the gateway upon detection of the power loss;
detecting loss of communication between the lighting control and monitoring device and gateway; and
determining the loss of communication was not from power loss when no power loss message was received by the gateway.

US Pat. No. 10,054,293

LIGHT FIXTURE DEVICE MOUNTING PLUG

RAB Lighting Inc., North...

1. A light fixture, comprising:a housing enclosing a light source;
the housing having an opening defined therethrough;
a plug receivable within the opening;
the plug including a face having a knockout portion that is at least partly aligned with the opening when the plug is received within the opening; and
a perimeter of the knockout portion defining an opening size different than an opening size of the opening.

US Pat. No. 9,732,951

MODULAR LIGHT FIXTURE WITH ADJUSTABLE LIGHT DISTRIBUTION PATTERN

RAB Lighting Inc., North...

19. A modular light fixture system, comprising:
an elongate light fixture base selected from a plurality of light fixture bases, wherein each of the plurality of light fixture
bases houses a light emitting device driver and has a different length to support one or more pairs of light fixture modules;

wherein the one or more pairs of light fixture modules are selected from a plurality of interchangeable light fixture modules,
wherein each of the interchangeable light fixture modules includes a housing having an open face, a light emitting device
positioned inside the housing, and a plurality of cooling fins located on the housing opposite to the open face, wherein each
of the cooling fins defines a cooling fin height which is greater adjacent to the light fixture base than away from the light
fixture base; and

an assembled configuration in which each module of the one or more pairs of light fixture modules is independently mounted
to the elongate light fixture base using a housing adjustment feature, wherein the individual light fixture modules include
an airflow passage defined by a space between the light fixture module and the elongate light fixture base, and wherein the
housing adjustment feature permits pivotable movement of the module relative to the elongate light fixture base.

US Pat. No. 10,039,174

SYSTEMS AND METHODS FOR ACKNOWLEDGING BROADCAST MESSAGES IN A WIRELESS LIGHTING CONTROL NETWORK

RAB Lighting Inc., North...

1. A lighting control system, comprising:a plurality of devices forming a wireless mesh network, each of the plurality of devices controlling at least one lighting fixture, and each of the plurality of devices configured as a repeater or an end-device; and
a gateway configured to operate as a coordinator of the wireless mesh network, the gateway further configured to send a message to the plurality of devices, and
wherein each plurality of devices:
receives the message,
delays for a period of time equal to one of a predetermined set of delay times after receiving the message, and
sends a response message to the gateway after delaying for the period of time.

US Pat. No. 10,219,356

AUTOMATED COMMISSIONING FOR LIGHTING CONTROL SYSTEMS

RAB Lighting Inc., North...

1. A method for commissioning a wireless lighting control system with a server, comprising:powering a gateway, wherein the gateway establishes communication with the server over a wide area network upon powering;
registering the gateway with the server;
configuring the gateway via a user interface application to selectively permit one or more lighting control devices to establish wireless communication with the gateway during a predetermined period of time;
powering a lighting control device during the predetermined period of time, the lighting control device configured to control the illumination level of a light emitting device, wherein the lighting control device automatically initiates wireless communication with the gateway after powering the lighting control device; and
establishing a wireless mesh network between the lighting control device and the gateway, wherein the gateway automatically registers the lighting control device.

US Pat. No. 10,182,481

BI-LEVEL LOW VOLTAGE DIMMING CONTROLLER FOR LIGHTING DRIVERS

RAB Lighting Inc., North...

1. A dimming controller, comprising:a dimming preset selector for setting a preset dim level;
a dimming control circuit responsive to the preset dim level to drive a dimming voltage output proportional to the preset dim level, the dimming control circuit further responsive to maintain the dimming voltage output for a varied electrical characteristic of dimming control inputs of at least one lighting driver; and
a dim enable circuit responsive to a detection signal to selectively couple and uncouple the dimming voltage output to the dimming control input of the lighting driver, thereby providing switching between the preset dim level and a full light level.

US Pat. No. 10,398,010

POWER LOSS DETECTION FOR A LIGHTING CONTROL SYSTEM

RAB Lighting Inc., North...

1. A device for a wireless device control system, the device powered by an AC supply, the device comprising:a zero-cross detection circuit coupled to the AC supply, the zero-cross detection circuit including a timer having a preset time, the timer reset by a zero-cross detection, and the zero-cross detection circuit detecting a loss of power of the AC supply upon the timer reaching the preset time without resetting;
a first voltage regulator including a rectifier and having an input coupled to the AC supply and an output providing a first DC supply;
a diode having a cathode and an anode, the anode coupled to the output of the first voltage regulator;
a wireless transmitter having a power input, the wireless transmitter for communicating with at least one other component of the wireless device control system; and
at least one first capacitor coupled to the cathode of the diode and to the power input of the wireless transmitter; and
wherein the at least one first capacitor provides energy storage sufficient to power the wireless transmitter for a duration long enough to transmit one message upon detecting the loss of power of the AC supply.

US Pat. No. 10,274,159

LENSES AND METHODS FOR DIRECTING LIGHT TOWARD A SIDE OF A LUMINAIRE

RAB Lighting Inc., North...

1. A lens for an LED light fixture, comprising:a lens defining an optical axis and configured to direct light toward a common side of the optical axis, the lens including first and second ends,
the first end of the lens defining a cavity configured to receive an LED light source, the first end portion being configured to direct light from an LED light source received within the cavity to the second end of the lens, the first end being rotationally symmetric with respect to the optical axis, and
the second end of the lens defining an exterior surface configured to emit light received from the first end, the second end being rotationally asymmetric with respect to the optical axis, and the exterior surface including a convex section and a first planar section adjacent one another, wherein the height of the lens decreases in the first planar section as the distance from the optical axis increases;
wherein the optical axis separates a taller side of the lens from a shorter side of the lens and the height of the lens is measured in a direction parallel to the optical axis, and wherein the taller side is disposed on the common side of the optical axis; and
wherein the light exiting the taller side has less radiant intensity (W/sr) than the light exiting the shorter side.