Abstract: The invention relates generally to lighting devices and, more particularly, to low electromagnetic interference (EMI) lighting devices with variable light output levels.

Abstract: Aspects of the invention relate generally to lighting devices and, more particularly, to a method and system for changing a function of a lighting device. In one embodiment, the invention provides a system comprising: at least one lighting device; an audio source; a controller for synchronizing an audio signal from the audio source with a lighting signal delivered to the at least one lighting device; and a transmitter for transmitting the audio signal from the audio source to at least one external receiver.

Abstract: Aspects of the invention relate generally to lighting devices and, more particularly, to a method and system for changing a function of a lighting device. In one embodiment, the invention provides a system comprising: at least one lighting device; an audio source; a controller for synchronizing an audio signal from the audio source with a lighting signal delivered to the at least one lighting device; and a transmitter for transmitting the audio signal from the audio source to at least one external receiver.

Abstract: Aspects of the invention relate generally to lighting devices and, more particularly, to a method and system for changing a function of a lighting device. In one embodiment, the invention provides a system comprising: at least one lighting device; a lighting controller connected to the at least one lighting device, the lighting controller being operable to control a function of the at least one lighting device; and an input controller connected to the lighting controller, the input controller including at least one receiving unit for receiving an input from an external device, wherein the input received from the external device changes the function of the at least one lighting device.

Abstract: The invention relates generally to lighting devices and, more particularly, to low electromagnetic interference (EMI) lighting devices with variable light output levels.

Abstract: Embodiments of the invention relate generally to lighting fixtures and, more particularly, to lighting device housings, systems for retrofitting lighting fixtures, and adapters for use in such retrofitting systems.

Abstract: Embodiments of the invention relate generally to lighting fixtures and, more particularly, to lighting device housings, systems for retrofitting lighting fixtures, and adapters for use in such retrofitting systems.

Abstract: Embodiments of the invention relate generally to lighting devices and, more particularly, to elongate lighting devices having components adapted for interconnection, as well as lighting systems including such lighting devices. In one embodiment, the invention provides a lighting device comprising: an elongate housing; at least one light-emitting device within the housing; and a first connection device at a first end of the elongate housing, the first connection device being electrically connected to the at least one light-emitting device.

Abstract: Embodiments of the invention relate generally to lighting devices and, more particularly, to lighting devices having tubular housings containing light emitting devices on a circuit board, as well as housings for such lighting devices. In one embodiment, the invention provides a lighting device comprising: a circuit board including a light emitting device; and an elongate substantially tubular housing for enclosing the circuit board, the tubular housing including: a support shelf extending across an interior of the tubular housing to support the circuit board; and a circuit board restraining member restraining the circuit board to the support shelf.

Abstract: Embodiments of the invention relate generally to lighting devices and, more particularly, to lighting devices having tubular housings containing light emitting devices on a circuit board, as well as housings for such lighting devices. In one embodiment, the invention provides a lighting device comprising: a circuit board including a light emitting device; and an elongate substantially tubular housing for enclosing the circuit board, the tubular housing including: a substantially circular interior; a support shelf extending across the substantially circular interior to support the circuit board; and a circuit board restraining member restraining the circuit board to the support shelf.

Abstract: Embodiments of the invention relate generally to lighting devices and, more particularly, to elongate lighting devices having components adapted for interconnection, as well as lighting systems including such lighting devices. In one embodiment, the invention provides a lighting device comprising: an elongate housing; at least one light-emitting device within the housing; and a first connection device at a first end of the elongate housing, the first connection device being electrically connected to the at least one light-emitting device.

Abstract: Embodiments of the invention relate generally to lighting devices and, more particularly, to elongate lighting devices having components adapted for interconnection, as well as lighting systems including such lighting devices. In one embodiment, the invention provides a lighting device comprising: an elongate housing; at least one light-emitting device within the housing; and a first connection device at a first end of the elongate housing, the first connection device being electrically connected to the at least one light-emitting device.

Abstract: Embodiments of the invention relate generally to lighting devices and, more particularly, to lighting devices having tubular housings containing light emitting devices on a circuit board, as well as housings for such lighting devices. In one embodiment, the invention provides a lighting device comprising: a circuit board including a light emitting device; and an elongate substantially tubular housing for enclosing the circuit board, the tubular housing including: a substantially circular interior; a support shelf extending across the substantially circular interior to support the circuit board; and a circuit board restraining member restraining the circuit board to the support shelf.