Assignee
UNIVERSAL LIGHTING TECH INC
US·188 granted patents·3 pending applications·1,378 citations·filing 2000–2022
Top patents by PatentIndex Score
191 records- 0198US10952299B1Power control method during input line voltage fluctuationUNIVERSAL LIGHTING TECH INC·Filed 2020·Granted Mar 16, 2021·14 cites·19 claims
- 0298US9837194B1Output transformer and resonant inductor in a combined magnetic structureUNIVERSAL LIGHTING TECH INC·Filed 2016·Granted Dec 5, 2017·27 cites·14 claims
- 0397US11051377B1Dynamic overload protection methodUNIVERSAL LIGHTING TECH INC·Filed 2020·Granted Jun 29, 2021·6 cites·18 claims
- 0497US9787195B1Primary current sensing method for isolated LED driverUNIVERSAL LIGHTING TECH INC·Filed 2016·Granted Oct 10, 2017·26 cites·14 claims
- 0596US10362644B1Flyback converter with load condition control circuitUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Jul 23, 2019·13 cites·14 claims
- 0696US10326377B1Circuit and method for indirect primary-side load current sensing in an isolated power supplyUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Jun 18, 2019·27 cites·17 claims
- 0796US9974147B1Integrated LED driver for wireless communicationUNIVERSAL LIGHTING TECH INC·Filed 2016·Granted May 15, 2018·21 cites·9 claims
- 0896US9203321B1Non-isolated resonant DC-DC converter with boost-type voltage doubler outputUNIVERSAL LIGHTING TECH INC·Filed 2014·Granted Dec 1, 2015·21 cites·18 claims
- 0995US10945320B1Output voltage control method to avoid LED turn-on flashUNIVERSAL LIGHTING TECH INC·Filed 2020·Granted Mar 9, 2021·4 cites·15 claims
- 1095US10512143B1Method for commissioning lighting system components using voice commandsUNIVERSAL LIGHTING TECH INC·Filed 2019·Granted Dec 17, 2019·27 cites·19 claims
- 1195US10098194B1Current and voltage control circuit and method for a class II LED driverUNIVERSAL LIGHTING TECH INC·Filed 2017·Granted Oct 9, 2018·17 cites·14 claims
- 1295US9974129B1Circuit and method for LED current regulation and ripple controlUNIVERSAL LIGHTING TECH INC·Filed 2017·Granted May 15, 2018·18 cites·6 claims
- 1395US9842683B1Bobbin and E-core assembly configuration and method for E-cores and EI-coresUNIVERSAL LIGHTING TECH INC·Filed 2015·Granted Dec 12, 2017·7 cites·10 claims
- 1495US9837913B1Control method to avoid capacitive mode switching for resonant convertersUNIVERSAL LIGHTING TECH INC·Filed 2017·Granted Dec 5, 2017·20 cites·16 claims
- 1595US9689554B1Asymmetric area lighting lensUNIVERSAL LIGHTING TECH INC·Filed 2015·Granted Jun 27, 2017·31 cites·7 claims
- 1695US9666355B1Common mode inductor assembly with magnetic I bar defined leakage pathUNIVERSAL LIGHTING TECH INC·Filed 2015·Granted May 30, 2017·9 cites·4 claims
- 1794US11737189B1Startup current control method for flyback converterUNIVERSAL LIGHTING TECH INC·Filed 2022·Granted Aug 22, 2023·3 cites·14 claims
- 1894US10362652B1Lighting device with dimming reference control method to stabilize low output currentUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Jul 23, 2019·15 cites·17 claims
- 1994US10128740B1Dynamic AC impedance stabilization in a flyback LED driverUNIVERSAL LIGHTING TECH INC·Filed 2017·Granted Nov 13, 2018·16 cites·8 claims
- 2094US10004123B1Failure detection and alerting circuit for a differential mode surge protection device in an LED driverUNIVERSAL LIGHTING TECH INC·Filed 2017·Granted Jun 19, 2018·21 cites·7 claims
- 2194US9799442B1Magnetic core structures for magnetic assembliesUNIVERSAL LIGHTING TECH INC·Filed 2015·Granted Oct 24, 2017·7 cites·17 claims
- 2294US9681512B1Combined wireless voltage controlled dimming interface for an LED driverUNIVERSAL LIGHTING TECH INC·Filed 2016·Granted Jun 13, 2017·23 cites·20 claims
- 2394US9577540B1Multi-stage flyback converter for wide input voltage range applicationsUNIVERSAL LIGHTING TECH INC·Filed 2014·Granted Feb 21, 2017·15 cites·7 claims
- 2493US11729883B1LED driver with auxiliary output and low standby powerUNIVERSAL LIGHTING TECH INC·Filed 2021·Granted Aug 15, 2023·2 cites·7 claims
- 2593US11089664B1LED driver with programmable internal NTC temperature foldbackUNIVERSAL LIGHTING TECH INC·Filed 2020·Granted Aug 10, 2021·3 cites·17 claims
- 2693US10910139B1Compact common mode choke with differential noise suppression and high self resonant frequencyUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Feb 2, 2021·5 cites·7 claims
- 2793US10650959B1Inductor with flux path for high inductance at low loadUNIVERSAL LIGHTING TECH INC·Filed 2017·Granted May 12, 2020·6 cites·9 claims
- 2893US9396865B1Magnetic component with auxiliary winding circuit boardUNIVERSAL LIGHTING TECH INC·Filed 2013·Granted Jul 19, 2016·15 cites·7 claims
- 2993US9237621B1Current control circuit and method for floating IC driven buck-boost converterUNIVERSAL LIGHTING TECH INC·Filed 2015·Granted Jan 12, 2016·13 cites·20 claims
- 3093US8350678B1Power line dimming controller and receiverUNIVERSAL LIGHTING TECH INC·Filed 2009·Granted Jan 8, 2013·26 cites·17 claims
- 3192US10707746B1Power converter with independent multiplier input for PFC circuitUNIVERSAL LIGHTING TECH INC·Filed 2019·Granted Jul 7, 2020·7 cites·15 claims
- 3292US10554122B1Low loss voltage feedback method for power factor correction circuitsUNIVERSAL LIGHTING TECH INC·Filed 2019·Granted Feb 4, 2020·9 cites·11 claims
- 3392US10356873B1Multiple interface LED driver with inherent overvoltage protectionUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Jul 16, 2019·6 cites·20 claims
- 3492US10320303B1Frequency controlled dummy load to stabilize PFC operation at light load conditionsUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Jun 11, 2019·10 cites·13 claims
- 3592US10178720B1Low standby power control circuit for LED driverUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Jan 8, 2019·8 cites·7 claims
- 3692US9769890B1Circuit and method for eliminating power-off flash for LED driversUNIVERSAL LIGHTING TECH INC·Filed 2016·Granted Sep 19, 2017·12 cites·11 claims
- 3792US7391168B1Digital control of electronic ballasts using AC power lines as a communication mediumUNIVERSAL LIGHTING TECH INC·Filed 2006·Granted Jun 24, 2008·71 cites·16 claims
- 3891US11064588B1Clamped resonant tank with constant soft-switching and startup overshoot preventionUNIVERSAL LIGHTING TECH INC·Filed 2020·Granted Jul 13, 2021·6 cites·13 claims
- 3991US9723667B1Output tuning and dimming interface for an LED driverUNIVERSAL LIGHTING TECH INC·Filed 2016·Granted Aug 1, 2017·10 cites·20 claims
- 4091US9683717B1Asymmetric area lens for low-profile lighting systemUNIVERSAL LIGHTING TECH INC·Filed 2015·Granted Jun 20, 2017·9 cites·31 claims
- 4191US9234650B2Asymmetric area lighting lensUNIVERSAL LIGHTING TECH INC·Filed 2013·Granted Jan 12, 2016·10 cites·12 claims
- 4291US9125259B1Constant current drive circuit for multi-channel LED lightingUNIVERSAL LIGHTING TECH INC·Filed 2013·Granted Sep 1, 2015·15 cites·20 claims
- 4390US11122668B1Power supply and power clamping method at high ambient temperaturesUNIVERSAL LIGHTING TECH INC·Filed 2020·Granted Sep 14, 2021·7 cites·8 claims
- 4490US10788191B1Power track and method of mounting and connecting a light modulator to supported luminairesUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Sep 29, 2020·7 cites·14 claims
- 4590US10707763B1Partially clamped resonant half-bridge converter for highly efficient constant power LED driver with inherent hard-switching protectionUNIVERSAL LIGHTING TECH INC·Filed 2019·Granted Jul 7, 2020·7 cites·11 claims
- 4690US10622887B1Adaptive off time control to improve total harmonic distortion and power factor for critical mode flyback type PFC circuitsUNIVERSAL LIGHTING TECH INC·Filed 2019·Granted Apr 14, 2020·7 cites·9 claims
- 4790US10524334B1Electrically isolated system and method for digital regulation of a programmable lighting deviceUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Dec 31, 2019·8 cites·20 claims
- 4890US10243473B1Gate drive IC with adaptive operating modeUNIVERSAL LIGHTING TECH INC·Filed 2018·Granted Mar 26, 2019·7 cites·20 claims
- 4990US9826583B1Auxiliary power supply with dynamically adjustable outputUNIVERSAL LIGHTING TECH INC·Filed 2016·Granted Nov 21, 2017·8 cites·20 claims
- 5090US9719662B1Thin-form lens for volume lighting applicationsUNIVERSAL LIGHTING TECH INC·Filed 2015·Granted Aug 1, 2017·6 cites·15 claims
Showing the top 50 of 191 patent records by PatentIndex Score.
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