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Lighting Fixture patents



      
           
This page is updated frequently with new Lighting Fixture-related patent applications. Subscribe to the Lighting Fixture RSS feed to automatically get the update: related Lighting RSS feeds. RSS updates for this page: Lighting Fixture RSS RSS


Lighting control system and method

System and method for controlling a light emitting diode fixture

Retractable lighting fixture

Date/App# patent app List of recent Lighting Fixture-related patents
07/17/14
20140198511
 Fixing system for lighting fixture parts, especially automobile lights patent thumbnailFixing system for lighting fixture parts, especially automobile lights
A fixing system for lighting fixture parts, especially the lights of an automobile, includes a thermoplastic outer lens (2), which is installed in a thermoplastic encircling housing (3) by means of a sealing adhesive (4) and secured by fastening elements. The fixing element is a brad pin (1) which is shot through a groove (31) of the encircling housing (3) and a lug (21) of the outer lens (2), with a profile in the shape of a circle flattened at least at two diametrically opposite places, having a longitudinally smooth brad pin shank (14) along its entire length, which is covered by an adhesive (112) to hold the brad pins (1) together..
07/17/14
20140197754
 Lighting control system and method patent thumbnailLighting control system and method
A lighting system provides for control of the perceived color of the light emitted by the light fixture. The light fixture has two light sources, a control circuit pulses the two light sources and changes relative duty cycles of the light sources to alter a perceived color output of the lighting fixture, in response to a control signal.
07/10/14
20140191675
 System and method for controlling a light emitting diode fixture patent thumbnailSystem and method for controlling a light emitting diode fixture
One embodiment in accordance with the invention can include a circuit for controlling a light emitting diode (led) lighting fixture via a power line. The circuit can include a power switch coupled to the power line and is for outputting a firing angle.
07/10/14
20140191668
 Retractable lighting fixture patent thumbnailRetractable lighting fixture
Disclosed is a retractable lighting fixture having a retractable led lighting layer. One or more optical layers (40, 240a/b, 340a/b, 440) may optionally be provided over the led lighting layer (30, 230, 330, 430).
07/10/14
20140191660
 Lighting fixture with integral circuit protection field patent thumbnailLighting fixture with integral circuit protection field
A lighting fixture includes a power input configured to be coupled to a power source, a power output configured to be coupled to an external load and a lighting device, such as a light emitting diode (led) device, coupled to the power input and configured to provide illumination. The lighting fixture further includes a protection circuit coupled between the power input and the power output and configured to detect a condition of a power source coupled to the power input and to control power transmission between the power input and the power output responsive to the detected condition.
07/03/14
20140185288
 Lighting fixture and light-emitting diode light source assembly patent thumbnailLighting fixture and light-emitting diode light source assembly
An improved led light source assembly is described, suitable for use as a retrofit for prior lighting fixtures of a kind including a concave reflector, an incandescent lamp positioned with its filament(s) at or near a focal region of the reflector, and a lens assembly for projecting light reflected by the reflector to a distant location, e.g., a theater stage. The improved led light source assembly includes a compact arrangement of three or more led assemblies, which are mounted at the forward end of an elongated heat pipe.
07/03/14
20140185287
 Lighting fixture and light-emitting diode light source assembly patent thumbnailLighting fixture and light-emitting diode light source assembly
An improved led light source assembly is described, suitable for use as a retrofit for prior lighting fixtures of a kind including a concave reflector, an incandescent lamp positioned with its filament(s) at or near a focal region of the reflector, and a lens assembly for projecting light reflected by the reflector to a distant location, e.g., a theater stage. The improved led light source assembly includes a compact arrangement of three or more led assemblies, which are mounted at the forward end of an elongated heat pipe.
07/03/14
20140185283
 Lighting fixture patent thumbnailLighting fixture
A lighting fixture includes: a frame; a housing that is supported so as to be swingable relative to the frame about a swing axis; a first light emitting part that is provided in the housing and emits light of a first color; and a second light emitting part that is provided in the housing and emits light of a second color differing from the first color, wherein the first light emitting part and the second light emitting part are arranged in parallel to the swing axis.. .
06/26/14
20140177203
 Light emitting diode (led) lamp replacement safety switch for linear fluorescent lamps patent thumbnailLight emitting diode (led) lamp replacement safety switch for linear fluorescent lamps
Provided is a system for replacing a fluorescent lamp with a light emitting diode (led) into a conventional fluorescent lighting fixture without modifications. The lighting assembly includes an led unit having a first end and a second end.
06/26/14
20140176011
 Methods and systems for controlling addressable lighting units patent thumbnailMethods and systems for controlling addressable lighting units
Systems and methods that provide improved control of addressable lighting fixtures. Individual lighting units have assigned schedules defining the power levels for the unit at various times of the day.
06/26/14
20140176010
Color control of dynamic lighting
This invention relates to a method of adjusting the fixture color emitted by a first and a second lighting fixture to a target color, each lighting fixture comprising at least a first and a second light source emitting light having different source colors, and said fixture color is obtained as a combination of said source colors, and said fixture color can be varied by varying the intensity of each light source; where the adjusting of said fixture color to a target color is performed by varying the intensity of said light sources based on both a first color gamut and a second color gamut respectively described by said source colors from said first lighting fixture and said second lighting fixture. The invention further relates to a light adapter and light system for adjusting the fixture color emitted by a first and a second lighting fixture to a target color and to a computer-readable medium having stored therein instructions for causing a processing unit to execute said method..
06/19/14
20140168975
Lighting fixture with flexible lens sheet
A lighting system and lighting fixture cover are disclosed. Specifically, the lighting system can provide an optimum light beam shape for a number of different lighting applications.
06/19/14
20140168954
Led panel light fixture
Devices, systems, and methods are provided for both retrofitting existing lighting fixtures with led panels and for installing ceiling tiles having led modules incorporated therewith. In one exemplary embodiment, a thin panel includes an led module integrated therewith and the panel is disposed over an opening in a troffer to provide light from the panel-module combination.
06/19/14
20140168833
Surge protection device
Dislcosed is a surge protection device (10, 110) for an outdoor lighting fixture that includes a live connection (23a, 123a), a neutral connection (23b, 123b), and a ground connection (23c, 123c). A first varistor (42) and a second varistor (43) may be electrically connected to one another in a series connection between the live and neutral connections and a third varistor (41) electrically connected between the live and neutral connections in a parallel configuration with the first varistor and the second varistor.
06/19/14
20140167653
Efficient routing tables for lighting networks
Control of lighting fixtures in a lighting network may be distributed among the lighting fixtures. The lighting fixtures may be broken into groups that are associated with different lighting zones.
06/19/14
20140167642
Handheld device for communicating with lighting fixtures
Control of lighting fixtures in a lighting network may be distributed among the lighting fixtures. The lighting fixtures may be broken into groups that are associated with different lighting zones.
06/19/14
20140167623
Commissioning for a lighting network
The present disclosure relates to lighting fixtures for use in a lighting network where the lighting fixtures and other elements are able to communicate with each other via wired or wireless communication techniques. When the lighting network is being formed or modified, a lighting fixture is selected to act as a coordinator for forming the lighting network.
06/19/14
20140167622
Auto commissioning lighting fixture
The present disclosure relates to lighting fixtures for use in a lighting network where the lighting fixtures and other elements are able to communicate with each other via wired or wireless communication techniques. When the lighting network is being formed or modified, the lighting fixtures may be able to communicate with each other and automatically determine a single lighting fixture to act as a coordinator during a commissioning process.
06/19/14
20140167620
Lighting fixture for automated grouping
Control of lighting fixtures in a lighting network may be distributed among the lighting fixtures. The lighting fixtures may be broken into groups that are associated with different lighting zones.
06/12/14
20140160770
Luminaire power switch
A novel means for reducing the maintenance costs of cobra head lighting fixtures is presented, comprised of a new housing with a hinge at one end that allows the upper half of the housing to be lifted up for easy access to the lamp and ballast. There is a contact pressure switch in the enclosure which is opened electrically when the upper housing is lifted so that power to the entire enclosure is cut for the safety of the installer.
06/12/14
20140160747
Inter-connectable modular lighting fixtures
A lighting fixture includes a frame having a short protrusion disposed in an outer surface of the frame, the short protrusion having a step structure. At least one light source is disposed inside the frame, and a cover is coupled to the frame to cover the at least one light source.
06/12/14
20140159613
Method and system of automatically adjusting light intensity of a lighting fixture having multiple emitters
A system for automatically adjusting light intensity of a lighting fixture having multiple emitters, includes a power supply for supplying at least one current source to multiple emitters, at least one first emitter capable of emitting light of a first wavelength, at least one second emitter capable of emitting light of a second wavelength and a luminous intensity adjusting circuit for adjusting light intensity of the at least one first emitter. Particularly, the luminous intensity adjusting circuit stabilizes a first current distributed from a feeding current of the at least one current source and the multiple emitters collectively emit light at a predefined variable light-intensity..
06/05/14
20140153257
Lighting fixture assembly
Implementations of the present invention comprise lighting fixture assemblies that minimize the visibility of hardware and shadows. In particular, the lighting fixture assemblies may include no supporting hardware extending through an internal space defined, in whole or in part, by the lighting fixture assembly.
06/05/14
20140153224
Bollard light with internal compression support system
A lighted bollard system that has significantly enhanced internal structural strength while providing for the replacement of the outer bollard cover and that allows users to select from a plurality of different lighting fixtures suited for different applications.. .
05/29/14
20140148923
Apparatus and methods for controlling light fixtures and electrical apparatus
Apparatus and methods for monitoring and controlling the energy usage of an installation including lighting fixtures, motors, compressors, and other electrical appliances by monitoring the operating status of the electrical appliances, switching the electrical appliances on and/or off as mandated by operating conditions, intended use(s) of the installation, ambient conditions, energy consumption limits, and other factors, reporting the operating status of the electrical appliances to a system coordinator, storing information as to the operating status of each electrical appliance in the network to the memory of the system coordinator in a look-up table for subsequent retrieval as needed for operation of the installation, and transmitting a signal from the system coordinator that is operative to switch the electrical appliances on and/or off in accordance with the information stored in the look-up table.. .
05/29/14
20140146540
Led lighting fixture
An led lighting fixture including a one-piece housing portion having a hollow interior cavity defined by a substantially planar interior backwall surface and a surrounding wall extending therefrom to a forward edge. An led illuminator is on the substantially planar interior backwall surface, a backwall being a heat sink for transferring heat away from the led illuminator during operation.
05/29/14
20140145623
Emergency lighting system
An emergency lighting system initiated by the wireless or wired alarm signal of a smoke detector or other alarm device. Once the alarm signal has been received the emergency lighting system will cause any light connected to the system to either be turned on providing light for any persons present, or alternatively, the emergency lighting system will pulse the light as a visual warning indicator to those present.
05/22/14
20140140052
Led lighting fixture
A light emitting diode (led) lighting fixture for achieving a desired illumination pattern includes a support plate and a plurality of panels connected to the support plate. Each panel has an array of leds mounted to a planar surface thereof, and each of the panels is rotatable in at least two dimensions..
05/22/14
20140139137
Smart phone controlled wireless light bulb
The claimed subject matter provides systems and/or methods that employ a control component integrated in a light bulb to control the light bulb wirelessly. The wireless light bulb can include a light source, a control component that manages operation of the light source, an input component that wirelessly obtains input signals that can be utilized by the control component, and a power source.
05/15/14
20140133139
Solar power apparatus providing illumination to hanging flower planters or potted flowers
A solar-powered lighting/illumination fixture for hanging flower planters or potted flowers comprises a body that can be affixed through a central opening or the like to the hanging hardware of the planter. The lighting fixture has solar cells that charge internal batteries during daylight hours and drive lights that illuminate the planter during nighttime hours.
05/08/14
20140126243
Edgelit lighting fixture and assembly
Embodiments described herein are directed to a lighting fixture including a lightguide that distributes light from a major surface, a light assembly including light sources arranged linearly, and a frame including a means for providing a force that urges the light assembly against an edge of the lightguide. A standoff or spacer can provide an air gap between a light source of the light assembly and the waveguide edge.
05/08/14
20140126239
Illumination techniques and devices
Techniques are disclosed for extracting light from within a lightguide by providing therein a plurality of internal light extraction features. A broad range of internal light extraction feature configurations (e.g., geometries/shapes, materials, refractive index changes, etc.) can be provided, and a variety of processes/techniques (e.g., 3-d printing, laser cutting/etching, injection molding, embossment, layer stacking, extrusion, etc.) can be used to do so.
05/08/14
20140126197
Integrated linear light engine
This disclosure relates to light engines for use in lighting fixtures, such as troffer-style lighting fixtures. Light engines according to the present disclosure have integrated features that eliminate the need for additional components such as a printed circuit board (pcb), a heat sink, a cover portion, a lens and/or a reflective element.
05/08/14
20140126196
Integrated linear light engine
This disclosure relates to light engines for use in lighting fixtures, such as troffer-style lighting fixtures. Light engines according to the present disclosure have integrated features that eliminate the need for additional components such as a printed circuit board (pcb), a heat sink, a cover portion, a lens and/or a reflective element.
05/08/14
20140126193
Uplight with suspended fixture
This disclosure relates to lighting fixtures, such as suspended lighting fixtures. Devices according to the present disclosure provide lighting fixtures capable of emitting in one or more primary directions, while simultaneously emitting in a direction toward a mount surface, reducing undesirable areas of insufficient light and more efficiently illuminating a space.
05/08/14
20140126190
Suspended linear fixture
This disclosure relates to suspended linear lighting fixtures that are arranged to accept lighting elements. Lighting fixtures according to the present disclosure comprise at least one body and at least one suspension mechanism.
05/01/14
20140119030
Lighting fixture mounting post
A light fixture mounting post includes an upper threaded portion for attaching the post to a light shade and a lower portion for attaching light fixtures to the post. The upper threaded portion has left handed threads, and an o-ring and a shaped rubber washer residing between a post nut and the shade.
05/01/14
20140119015
Energy-saving networked illumination system
Disclosed is a lighting assembly for installation in conventional lighting fixtures using an angled mounting component and led-based printed circuit board lighting fixtures having a plurality of leds. The printed circuit boards are secured to the mounting component of a conventional lighting fixture such that the leds are positioned to provide a light pattern similar to the pattern existing with the original fixture..
05/01/14
20140119013
Led engine for emergency lighting
A light engine for a lighting fixture includes a bracket, with multiple mounting surfaces configured at different angles to form a substantially concave region, and a plurality of light emitting diode (led) modules mounted to the multiple mounting surfaces to project an axis of a light beam from each of the plurality of led modules along substantially a same illuminating plane. The light engine includes a first set of lenses with a first type of optical surface for focusing a first portion of the plurality of led modules and a second set of lenses with a second type of optical surface, different than the first type, for focusing a second portion of the plurality of led modules..
05/01/14
20140116969
Collapsible lighting fixture
The present invention is a collapsible lighting fixture comprising a central support member having a first end engaged with abase and a second end. The lighting fixture further comprises an arm assembly removably engaged with the central support member.
04/24/14
20140112014
Led-based lighting system for retrofitting fluorescent lighting fixtures in a transit vehicle
An led-based lighting unit for retrofitting a fluorescent light fixture in a transit vehicle has a concave frame or structure conforming to the shape of the fluorescent lighting fixture cavity, connector pins on either end of the frame for secure attachment to sockets of the fluorescent fixture, a plurality of led modules for illuminating an area of a transit vehicle, a power adapter for receiving and converting an input power supply signal, and a diffusive lens cover. The frame may have rear fins or other features for facilitating dissipation of heat generated by the leds.
04/24/14
20140112012
Vehicle headlamp
There is provided a vehicle headlamp that can be miniaturized and that can form a synthetic light distribution pattern (for example, a low-beam light distribution pattern) in which a hot zone is brighter. The vehicle headlamp that forms the synthetic light distribution pattern including the hot zone and a diffusion region diffused from the hot zone, includes at least one first lighting fixture unit including a laser light source and a first optical system that forms a first light distribution pattern to irradiate light forward from the laser light source and irradiate the hot zone, and at least one second lighting fixture unit including an led light source and a second optical system that forms a second light distribution pattern to irradiate light forward from the led light source and irradiate the diffusion region..
04/24/14
20140111990
Light emitting diode retrofit kit for high intensity discharge lighting
A principal aspect of invention comprises a housing that before being retrofit included a high intensity discharge light source, a high intensity discharge lens, and a high intensity discharge lighting fixture chamber defined between the housing and the high intensity discharge lens. The housing is retrofit to exclude a routinely functioning high intensity discharge light source and exclude at least a portion of the high intensity discharge lens.
04/24/14
20140110288
Light reflection and glare preventing medical instrument holding apparatus and related methods
A medical instrument holding apparatus and related methods are disclosed. The apparatus includes a medical instrument container.
04/17/14
20140105670
Universal tiltable luminaire support
A universal tiltable joint (10) for a lighting fixture (11) includes a first joint portion (12) having an axial joint axis (a), a second joint portion (14) having the axial joint axis, one of the first joint portion and the second joint portion housed co-axially within the other of the first joint portion and the second joint portion, a co-axial gap (60) between the first joint portion and the second joint portion allowing movement at an angle to the axial joint axis, the movement causing at least one of engagement or disengagement of a safety feature (27) on the first joint portion and the second joint portion.. .
04/17/14
20140104853
Optical lens for lighting fixture
An optical lens for lighting fixture includes a body, which comprises a bottom surface and a light-exit surface at opposing bottom and top sides thereof, an elongated groove formed in the bottom surface, a light incident surface, a first intersection line and a second intersection line respectively connected between the two ends of the elongated groove and the bottom surface, a first line segment and a second line segment respectively connected between the light incident surface and the bottom surface, a first virtual line defined between the two ends of the first line segment, a first distance that is the shortest distance between the two ends of the first intersection line, and a sagi that is the shortest distance between any point at the first line segment and the first virtual line and satisfies the equation: 0≦. .
04/17/14
20140104848
Lighting fixture with flow-through cooling
A lighting fixture including a light-emitting arrangement having first and second ends. The light-emitting arrangement includes (a) at least one led at the first end and (b) a heat sink connected to the at least one led and having a length extending therefrom toward the second end.
04/17/14
20140104843
Ceiling mount fixture
A ceiling mount lighting fixture includes a channel, a channel cover, and a light source including a plurality of light-emitting diodes. The channel cover includes two sides that intersect in a v-shaped base, with light-emitting diodes mounted on each side.
04/17/14
20140104835
Led lighting fixture
An led lighting fixture including a housing and an led assembly secured with respect to the housing to permit air/water-flow over the led assembly. The led assembly includes a plurality of led-array modules on an equal plurality of individual heat sinks.
04/17/14
20140104827
Optical assembly for a lighting fixture
Inventive methods and apparatus for an optical assembly for a lighting fixture are disclosed. The optical assembly includes a lens (20a, 20b) having an interior face and an optical film (40a, 40b) provided atop the interior face of the lens.
04/17/14
20140104713
Filter wheel system for color changing lighting fixtures
A new color wheel filter system for color changing lighting fixtures is disclosed. More specifically it is a method of improving the filter wheel functionality through use of an improved filter wheel design by maximizing the filter clear aperture by directly bonding the filter glass substrate to a small hub bearing and moving the drive belt to the outside diameter.
04/17/14
20140103814
Communication system for adaptive lighting control
Provided is a lighting system to control illumination of a plurality of areas. The lighting system includes a lighting fixture matrix having a plurality of lighting fixtures respectively located at the plurality of areas.
04/10/14
20140098542
Hazardous location lighting fixture with a housing including heatsink fins surrounded by a band
An led (light emitting diode) illumination device that can generate a uniform light output illumination pattern. The illumination device includes an array of leds, each having a led central axis.
04/10/14
20140097759
Systems and method for lighting aisles
A lighting fixture for lighting in a building includes processing electronics. The processing electronics are configured to cause the lighting fixture to provide increasing levels of illumination in response to state changes associated with sensed motion in the building..
04/03/14
20140092629
Light guide element and method for manufacturing the same, and lighting fixture
A light guide element and a method for manufacturing the same, and a lighting fixture are described. The light guide element includes a light guide body, a plurality of first and second microstructures corresponding to each other.
04/03/14
20140092604
Led-based lighting fixture with textured lens
Methods and apparatus related to a textured lens (30, 130). The textured lens includes a textured portion (40, 140) having plurality of unique textures.
04/03/14
20140092593
Apparatus, method, and system for reducing the effective projected area (epa) of an elevated lighting fixture without the use of an external visor
A design of lighting fixture is presented whereby the outer glass lens—flat in prior art lighting fixtures—is bowed outward. The design of lighting fixture permits a plurality of led modules to be contained therein, each with their own visor, without constraining the aiming angle of each due to interference between the outer lens and each individual visor.
04/03/14
20140091727
Off peak powered lighting system for offices and buildings
The off-peak powered lighting system provides light to offices, buildings and structures via banks of led light fixtures. The off-peak system is electrically coupled to battery power source during peak power cycles and then is coupled to an electrical power grid during off-peak cycles.
03/27/14
20140085889
Track adapter and lighting fixture
Described are track adapters for snap-fitting within a recess of a track, the track adapters including at least one manually-releasable spring tab comprising a lip and a release tab; and at least one slidably-releasable spring tab comprising a lip, wherein the at least one manually-releasable spring tab and the at least one slidably-releasable spring tab are adapted to deflect inwardly to permit snap-fit insertion of the track adapter into the recess. Also described are light fixtures including a fixture head comprising at least one lamp housing, wherein the at least one lamp housing supports at least one lamp; and a curved arm connecting the fixture head to a support surface..
03/20/14
20140078762
Light fixture with curved frame
A method and apparatus for a curved lighting fixture that is symmetric about a longitudinal axis of the curved lighting fixture. The curved lighting fixture includes end caps that are parallel to the longitudinal axis.
03/20/14
20140078747
Light fixture wide-angle light distribution
A lighting fixture includes a front end-portion having an edge defining a light opening and a back end-portion spaced from the opening which has a centerline. At least one led emitter on the mounting board disposed at the back end-portion for directing light toward the opening, the emitter(s) being off-centerline in a first lateral direction.
03/20/14
20140078308
Outdoor lighting fixture and camera systems
One embodiment of the invention relates to an outdoor lighting fixture that includes a ballast for controlling the amount of current provided to a lamp. The lighting fixture also includes a fixture housing at least partially surrounding the ballast and the lamp and a mounting system for holding the fixture housing to at least one of a wall and a pole.
03/20/14
20140077719
Solid-state light-emitting element drive device, lighting system and lighting fixture
A solid-state light-emitting element drive device includes a switching regulator and a control circuit. The switching regulator includes a series circuit of a switching element and an inductor, a regenerative element configured to allow a regenerative current to flow therethrough from the inductor when the switching element is turned off, and output terminals configured so that a solid-state light-emitting element is connected therebetween.
03/20/14
20140077706
Calibration method and apparatus for lighting fixtures using multiple spectrum light sources and light mixing
Disclosed examples of optical systems having a plurality of light sources with each source having a different spectral outputs may be calibrated by measuring a spectral characteristic of the combined light with two measurements, e.g., one from a colorimeter and one from a sensor included in the system. Accordingly, one can determine a transform function in response to the two measures that models a feedback response of the optical system for each of a plurality of the inputs that would cause the optical system to generate radiant energy within a predetermined range of a spectrum.
03/13/14
20140074434
Methods and apparatus for end-of-life estimation of solid state lighting fixtures
The present disclosure is directed to methods and apparatus for estimating end-of-life for solid state lighting. By tracking actual operating parameters, such as the temperature (330) and current (320) supplied to a lighting fixture (100) over time and comparing it with estimated life time prediction data (370) stored in a look-up table (360), a precise prediction of the lifetime status of the lighting fixture may be obtained..
03/13/14
20140071685
Systems and methods for sealing a lighting fixture
Systems, methods and apparatuses for providing a reliable enclosure and seal for a system or a device, such as a lighting fixture, are disclosed. The solution presented utilizes a silicone gasket combined with an o-ring chord, an acrylic optic and an extrusion to provide a water-tight, air-tight and water-proof enclosure for the lighting fixture.
03/13/14
20140071669
Selectively-extendable modular lighting fixture
A lighting fixture including a housing having sidewalls and lengthwise ends, an elongate lens fitted to the housing with lengthwise end edge portions, a pair of unitary endplates each attachable to either lengthwise end of the housing, each endplate having lens support structure supporting one lengthwise end edge portion of the lens, and each endplate having perimeter surfaces matingly attached to an endcap having a peripheral edge of substantially the same size and contour as the outer surface of the endplate where the endcap and endplate join. Each unitary endplate includes perimeter surfaces matingly attached to a linear bridge, an angular bridge or an endcap having a peripheral edge of substantially the same size and contour as the outer surface of the endplate where the bridge or endcap and endplate join.
03/13/14
20140071662
Combination light diffuser and acoustical treatment and listening room including such fixtures
Combination light diffusion with either sound diffusion or absorption is provided in a single lighting fixture, to provide uniform luminosity and sound control. The traditional flat light diffuser is replaced with a translucent acoustical element which either diffuses sound or absorbs the sound.
03/13/14
20140070721
Solid-state light-emitting element drive device, lighting system and lighting fixture
In a conventional example, even if a duty cycle of the burst dimming is changed during an off-period of a switching element, current flowing to an led is maintained constant. On the other hand, in the present embodiment, an accumulated value of on-periods of a switching element is increased or decreased so as to be linked to a minimum variation width for a duty cycle (a dimming level) of a dimming signal, regardless of a timing of when the duty cycle is changed.
03/13/14
20140070707
Lighting control system
Lighting control system includes lighting fixture having identification information, controller for setting lighting condition for dimming level and color temperature of illumination light of lighting fixture, and dimmer for outputting dimming signal to lighting fixture. Lighting fixture includes dimmer for modulating illumination light to superpose thereon information signal containing identification information and lighting information of lighting fixture.


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Lighting Fixture topics: Lighting Fixture, Led Lighting, Notification, Transceiver, Circuit Board, Door Assembly, Mixing Chamber, Lighting Apparatus, Longitudinal Direction, Protection Circuit, Support Base, Hinge Mechanism, Optical Sensor, Daisy Chain, Temperature Measurement

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