Abstract: Apparatus, methods and systems for dimming light. The apparatus may include a controller unit. The controller unit may include a lighting power output port. The controller unit may include a microcontroller that may receive a digital lighting control signal and may obtain a light dimming level from the digital lighting control signal. The controller unit may include analog phase cut circuitry that may receive the light dimming level from the microcontroller and may provide lighting power corresponding to the received light dimming level to the lighting power output port. The controller unit may include a digital lighting control output circuit that may transmit the digital lighting control signal to another controller unit in a first state and attenuate the digital lighting control signal in a second state. The controller unit may include a mode circuit that may transmit a stored brightness level to the analog phase cut circuitry.

Abstract: Apparatus, methods and systems for dimming light. The apparatus may include a controller unit. The controller unit may include a lighting power output port. The controller unit may include a microcontroller that may receive a digital lighting control signal and may obtain a light dimming level from the digital lighting control signal. The controller unit may include analog phase cut circuitry that may receive the light dimming level from the microcontroller and may provide lighting power corresponding to the received light dimming level to the lighting power output port. The controller unit may include a digital lighting control output circuit that may transmit the digital lighting control signal to another controller unit in a first state and attenuate the digital lighting control signal in a second state. The controller unit may include a mode circuit that may transmit a stored brightness level to the analog phase cut circuitry.

Abstract: Apparatus, methods and systems for lighting control are provided. The apparatus may include a transceiver configured to receive lighting control information from a power source. The apparatus may include lighting control circuitry. The lighting control circuitry may receive a first voltage from the power source. The lighting control circuitry may convert the first voltage into a second voltage. The lighting control circuitry may obtain a light level from the lighting control information. The apparatus may include a connector. The connected may transmit the second voltage and a current corresponding to the light level to a light emitting diode (“LED”) light source. The transceiver, the lighting control circuitry, and the connector may be disposed in a housing. The LED light source may be disposed in a fixture. The lighting control circuitry may be structurally separate from and in electronic communication with the fixture.

Abstract: Apparatus and methods for providing LED lighting on light tape and light sheet. A controller may provide lighting control data to one or more ICs on a segment of tape or sheet. The lighting control data may include a data packet. The data packet may include an address. The address may correspond to one or more of the ICs. The address may correspond to one or more LEDs on the segment. The address may correspond to one or more LEDs on a light tape. The address may correspond to one or more LEDs on a light sheet. The LEDs corresponding to the address may be controlled by a current regulator or regulators on a single IC. The LEDs corresponding to the address may be controlled by current regulators on different ICs.

Abstract: Apparatus, methods and instructions for disinfecting air. The apparatus may include, and the methods may involve, a fixture. The fixture may include a germicidal light source. The fixture may include a fan. The fan may circulate air through a volume into which the germicidal light source propagates germicidal light. The light source may be configured to emit, upward from a horizontal plane, a beam that, absent reflection off an environmental object, does not cross the horizontal plane. The apparatus may include a shield that prevents light from the light source from crossing the horizontal plane. The sensor may face upward from the horizontal plane. The sensor may face downward from the horizontal plane.

Abstract: Apparatus and methods for lighting. The apparatus may include a power supply. The apparatus may include a controller. The controller may be configured to receive power from the power supply. The controller may be configured to receive a dimming signal generated external to the controller. The controller may be configured to receive from a user selection that includes a CCT partition set-point. The controller may be configured to transmit to a light source lighting power. The lighting power may correspond to the dimming signal. The lighting power may correspond to the CCT partition set-point. The light source may include a high correlated color temperature (“CCT”) LED. The light source may include a low CCT LED. The CCT partition set-point may correspond to a selected value of a partition of power between the high CCT LED and the low CCT LED.

Abstract: Apparatus, methods and systems for providing power to light-emitting diode (“LED”) light sources are provided. The apparatus may include a plurality of power output channels. Each of the power output channels may provide a current to a plurality of LED modules. Each of the LED modules may correspond to one of the power output channels. The apparatus may include a protection circuit. The protection circuit may receive a conditioned voltage. The protection circuit may use the conditioned voltage to feed to the power output channels an output current that, in total, has a power no greater than a predetermined power limit. The apparatus may include a voltage conditioning circuit. The voltage condition circuit may receive line voltage. the voltage condition circuit may condition the line voltage. The voltage conditioning circuit may provide the conditioned voltage to the protection circuit.

Abstract: Apparatus and methods for providing LED lighting on light tape and light sheet. A controller may provide lighting control data to one or more ICs on a segment of tape or sheet. The lighting control data may include a data packet. The data packet may include an address. The address may correspond to one or more of the ICs. The address may correspond to one or more LEDs on the segment. The address may correspond to one or more LEDs on a light tape. The address may correspond to one or more LEDs on a light sheet. The LEDs corresponding to the address may be controlled by a current regulator or regulators on a single IC. The LEDs corresponding to the address may be controlled by current regulators on different ICs.

Abstract: Apparatus, methods and systems for providing power to light-emitting diode (“LED”) light sources are provided. The apparatus may include a plurality of power output channels. Each of the power output channels may provide a current to a plurality of LED modules. Each of the LED modules may correspond to one of the power output channels. The apparatus may include a protection circuit. The protection circuit may receive a conditioned voltage. The protection circuit may use the conditioned voltage to feed to the power output channels an output current that, in total, has a power no greater than a predetermined power limit. The apparatus may include a voltage conditioning circuit. The voltage condition circuit may receive line voltage. the voltage condition circuit may condition the line voltage. The voltage conditioning circuit may provide the conditioned voltage to the protection circuit.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.

Abstract: Apparatus, methods and instructions for disinfecting air. The apparatus may include, and the methods may involve, a fixture. The fixture may include a germicidal light source. The fixture may include a fan. The fan may circulate air through a volume into which the germicidal light source propagates germicidal light. The light source may be configured to emit, upward from a horizontal plane, a beam that, absent reflection off an environmental object, does not cross the horizontal plane. The apparatus may include a shield that prevents light from the light source from crossing the horizontal plane. The sensor may face upward from the horizontal plane. The sensor may face downward from the horizontal plane.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board. The elongated board may include a non-polar power socket.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board. The elongated board may include a non-polar power socket.

Abstract: LED related lighting methods and apparatus are described. Various features relate to water tight light fixtures. Some of the fixtures are spotlights while other fixture are intended for in ground use. The light fixtures in at least some embodiments include power control features. In spotlight embodiments beam angle and power or light output can be controlled without opening the light assembly or compromising the water tight seals which also protect against dirt. In ground embodiments support tilt angle setting which allow a user to set the light fixture to one or more tilt angles. Beam angle can also be changed in some embodiments as well as power control. Beam angle, power control and tilt angle adjustments are supported in some embodiments but need not be supported in all embodiments with some embodiments using one or more of the described features but not all features.

Abstract: Apparatus and methods for lighting. The apparatus may include a power supply. The apparatus may include a controller. The controller may be configured to receive power from the power supply. The controller may be configured to receive a dimming signal generated external to the controller. The controller may be configured to receive from a user selection that includes a CCT partition set-point. The controller may be configured to transmit to a light source lighting power. The lighting power may correspond to the dimming signal. The lighting power may correspond to the CCT partition set-point. The light source may include a high correlated color temperature (“CCT”) LED. The light source may include a low CCT LED. The CCT partition set-point may correspond to a selected value of a partition of power between the high CCT LED and the low CCT LED.

Abstract: Methods and apparatus for implementing a control apparatus for a light fixture for externally controlling the current to the LED light emitter of a landscape LED light fixture. In an exemplary embodiment a control apparatus for controlling current to an LED light source in a landscape lighting device includes an LED driver, a user control with a control setting indicator, and a driver housing including setting indicators.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.

Abstract: Apparatus and methods for deployment of fixtures. The apparatus may include a system for controlling deployed fixtures. The system may receive user commands different devices in different formats. The fixtures may be independently addressable. The fixtures may be magnetically supported by a fixture support. A brace may join two or more fixture supports without reducing space available to support fixtures. The brace may join a fixture support to a fixture support accessory. An accessory may include a variable-angle junction. The fixture may include articulating joints for controlling the direction of a beam. The fixture may include a lens having an electrically controllable beam spread angle. The fixture may be stowable in the fixture support. The fixture may be slidable along a cord to adjust a height of the fixture. The fixture may include an extendable ring. The system may coordinate motions of the fixtures to follow a target. The fixture may include an elongated board.