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2022
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Invention
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Startup current control method for flyback converter. A two-stage driver supplies current to an L... |
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Invention
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Dynamic valley sensing method for double flyback led driver. A two-stage driver supplies current ... |
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2021
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Invention
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Led driver with auxiliary output and low standby power. A two-stage driver supplies current to a ... |
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Invention
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Led driver with double flyback technology. A two-stage driver supplies current to a light emittin... |
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Invention
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Bobbin for edge-mounted magnetic core. An edge mount magnetic component includes a bobbin and two... |
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G/S
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Lighting fixtures and controllers. Electrical, electronic, and mechanical ballasts, controls, dev... |
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2020
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Invention
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Clamped resonant tank with constant soft-switching and startup overshoot prevention. An LED drive... |
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Invention
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Combined high and low voltage protection circuit for half-bridge converter. A power converter and... |
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Invention
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Output voltage control method to avoid led turn-on flash. A light-emitting diode (LED) driver cir... |
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Invention
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Lighting structure end cap mounts to secure cable without leakage paths. An end cap mounting syst... |
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Invention
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Common mode inductor with dual leakage paths.
A common mode inductor includes a bobbin with two ... |
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Invention
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Dynamic overload protection method. Circuitry and methods are provided for dynamically controllin... |
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G/S
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Lighting controls Lighting fixtures |
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Invention
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Power control method during input line voltage fluctuation. A resonant power converter as disclos... |
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Invention
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Lighting circuit and method for negative feedback control recovery in overload conditions. A reso... |
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Invention
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Self-identifying light fixture.
A technique for uniquely identifying a light fixture for use in ... |
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2019
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Invention
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Closed loop frequency control method for a self-oscillating circuit. A resonant power converter a... |
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Invention
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Slide adjustable hinge and latch securement for a light emitting diode (led) fixture retrofit kit... |
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G/S
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Electrical, electronic, and mechanical lighting products and electrical equipment in the nature o... |
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Invention
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Low loss voltage feedback method for power factor correction circuits. A voltage feedback circuit... |
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Invention
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Dimming controller for led driver and method of indirect power estimation. A dimming controller i... |
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Invention
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Common-mode choke with integrated rf inductor winding. A combination of a common-mode choke and t... |
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Invention
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Device and method for programming or configuring of nfc equipped led driver. A portable apparatus... |
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2018
|
Invention
|
Method for detecting short circuit conditions in frequency control loop components. A DC-to-AC in... |
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Invention
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Frequency control method for self-oscillating circuit. A DC-to-AC inverter provides an AC voltage... |
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Invention
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Frequency controlled dummy load to stabilize pfc operation at light load conditions. A system and... |
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Invention
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Electrically isolated system and method for digital regulation of a programmable lighting device.... |
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G/S
|
Lighting control devices for energy monitoring and management by wireless and relay panel lightin... |
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Invention
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Dual magnetic component with three core portions. A magnetic connector assembly has two independe... |
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Invention
|
Combined u-core magnetic structure. A magnetic connector assembly has two independent magnetic co... |
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|
Invention
|
Circuit and method for indirect primary-side load current sensing in an isolated power supply. A ... |
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Invention
|
Constant current led driver with light output modulation. An LED driver for light modulation cont... |
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Invention
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Resonant converter with pre-charging circuit for startup protection. A power converter as disclos... |
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Invention
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Single magnetic assembly combining three independent magnetics using a modified “e” core with fou... |
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Invention
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Damped pi-type filter y-type capacitance network for radiated and conducted emission. An electrom... |
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Invention
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Printed circuit board connector with integrated emi noise suppression. A connector assembly suppr... |
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Invention
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Ferrite wafer and connector assembly for emi noise suppression on a printed circuit board. A conn... |
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Invention
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Magnetic core structure and manufacturing method using a grinding post. A magnetic assembly inclu... |
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Invention
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Compact common mode choke with differential noise suppression and high self resonant frequency. A... |
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Invention
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Magnetic core structure. A magnetic assembly structure includes a bobbin, an outer core, an inner... |
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Invention
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Tunable magnetic core structure. A tunable magnetic assembly includes a bobbin, an outer core, an... |
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Invention
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Low standby power control circuit for led driver. An LED driver is configured to minimize power c... |
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2017
|
Invention
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Method and apparatus for attaching magnetic components to printed circuit boards. A bobbin provid... |
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Invention
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Failure detection and alerting circuit for a differential mode surge protection device in an led ... |
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|
Invention
|
Apparatus, system, and method for configuring an unpowered led driver using an rs-232 interface. ... |
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Invention
|
Ac led driver with capacitive switching. An AC LED driver for providing operating power to an LED... |
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Invention
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Low profile inductor. A low profile inductive apparatus is provided via one or more traces in a p... |
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Invention
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Input voltage sense circuit for boost power factor correction in isolated power supplies. A syste... |
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|
G/S
|
Computer software for controlling lighting and lighting control systems |
|
|
Invention
|
Inductor with flux path for high inductance at low load. A magnetic component has a variable indu... |
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2016
|
G/S
|
LED drivers, wall lighting switches and lighting sensors |
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|
G/S
|
LED lighting fixtures |
|
2015
|
Invention
|
Bobbin and core assembly configuration and method for e-core and i-core combination. A magnetic a... |
|
|
G/S
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Linear florescent ballasts used to power either solid state lighting or fluorescent tubes |
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2014
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G/S
|
Room controllers for a building automation system, namely controllers for controlling mechanical,... |
|
|
G/S
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Room controllers for a building automation system, namely, electronic controllers for controlling... |
|
2013
|
Invention
|
Constant current source with output voltage range and self-clamping output voltage. A driver circ... |
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2012
|
G/S
|
Light systems comprising light sensors and motion sensors |
|
|
G/S
|
[ Access control and alarm monitoring systems; Alarm central units; ] [ Distribution boxes for el... |
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2011
|
G/S
|
LED lamps, LED controllers, LED ballasts, and LED module |
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|
G/S
|
Ballasts for use with fluorescent and other types of lighting. |
|
|
Invention
|
Low profile magnetic component apparatus and methods. A magnetic component for an electronic circ... |
|
|
G/S
|
Lighting control systems, namely, lighting control panels, electric light dimmers, electric light... |
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2010
|
G/S
|
Lighting control systems comprised of lighting control panels, electric light dimmers, electric l... |
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2009
|
G/S
|
Ballasts for use with fluorescent lamps and other types of lighting |
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2007
|
G/S
|
Dimming and energy management fluorescent ballasts |
|
2005
|
G/S
|
Electric light dimmers |
|
|
G/S
|
Electronic lighting ballasts |
|
2004
|
G/S
|
lighting ballasts |
|
2003
|
G/S
|
Ballasts for lighting applications. |
|
2002
|
G/S
|
Ballasts for fluorescent lamps. |
|
|
G/S
|
Lighting ballasts. |
|
|
G/S
|
Electromagnetic fluorescent ballasts for use with fluorescent lamps. |
|
|
G/S
|
Electrical and electronic transformers and ballasts; electrical capacitors and wire; all of the f... |
|
1999
|
G/S
|
DIGITAL ELECTRONIC BALLASTS AND CONTROLLERS |
|
1998
|
G/S
|
Lighting ballasts |
|
1991
|
G/S
|
electronic ballasts for use in flourescent lighting circuits |
|
1981
|
G/S
|
Ballasts for Use with Florescent and Other Types of Lighting |
