| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 05/21/2014 | CN102695347B 一种电子镇流器控制芯片的供电电路 An electronic ballast control chip power supply circuit |
| 05/21/2014 | CN101690411B 驱动放电灯的电路装置以及驱动放电灯的方法 A discharge lamp circuit apparatus and method for driving a discharge lamp driving |
| 05/20/2014 | US8729831 Light source apparatus |
| 05/20/2014 | US8729827 Semiconductor light emitting element drive device and lighting fixture with the same |
| 05/20/2014 | US8729820 Low pin count LED driver integrated circuit |
| 05/20/2014 | US8729819 Multi-output current-balancing circuit |
| 05/20/2014 | US8729818 Driving circuit structure for light emitting diodes |
| 05/20/2014 | US8729817 Latching circuit for ballast |
| 05/20/2014 | US8729816 Charge-pump controller |
| 05/20/2014 | US8729810 System and method for selectively dimming an LED |
| 05/15/2014 | WO2014073012A2 Lighting apparatus with brightness self-adjustment and self-adjusting method thereof |
| 05/15/2014 | DE102009019625B4 Verfahren zum Ermitteln eines Typs einer Gasentladungslampe und elektronisches Vorschaltgerät zum Betreiben von mindestens zwei unterschiedlichen Typen von Gasentladungslampen A method for determining a type of a gas discharge lamp and an electronic ballast for the operation of at least two different types of gas discharge lamps, |
| 05/14/2014 | EP2730149A1 Electronic ballast having adaptive dead time control, for a lamp |
| 05/14/2014 | CN203596967U 一种新型的荧光灯寿终保护电路 A new type of fluorescent lamp end of life protection circuit |
| 05/14/2014 | CN203596966U 一种荧光灯镇流器灯丝关断控制电路 A fluorescent lamp ballast filament shutdown control circuit |
| 05/14/2014 | CN203596800U 一种射频功率放大器系统及照明设备 A radio frequency power amplifier systems and lighting equipment |
| 05/14/2014 | CN103797898A 具有抗辉纹控制的数控电子镇流器及其操作方法 With anti-striation control and method of operating an electronic ballast NC |
| 05/14/2014 | CN103796405A 一种远程操作电子镇流器的方法、相关设备和照明系统 A long-range method of operating an electronic ballast, related equipment and lighting systems |
| 05/14/2014 | CN103796404A 氘灯用电源电路 Deuterium lamp power supply circuit |
| 05/14/2014 | CN103796403A Hid的智能点灯方法、hid电子镇流器及hid照明系统 Hid intelligent lighting methods, hid electronic ballast and hid lighting systems |
| 05/14/2014 | CN103796402A 过压欠压保护电路、电子镇流器及其过压欠压检测方法 Over-voltage protection circuits, electronic ballasts overvoltage and undervoltage detection method |
| 05/14/2014 | CN103796401A 一种电子镇流器及灯具 An electronic ballasts and lamps |
| 05/14/2014 | CN103796400A 一种电子镇流器和照明系统 An electronic ballasts and lighting systems |
| 05/14/2014 | CN102548171B 一种应急灯的控制电路 One kind of emergency light control circuit |
| 05/14/2014 | CN102170741B 放电灯单元 Discharge lamp unit |
| 05/13/2014 | US8723780 Inverter for liquid crystal display |
| 05/13/2014 | US8723560 High voltage offset detection circuit |
| 05/13/2014 | US8723449 Light emitting element drive circuit |
| 05/13/2014 | US8723448 System, method and apparatus for brightness adjusting of an illuminated logo |
| 05/13/2014 | US8723442 Drive unit, smoothing circuit, DC/DC converter |
| 05/13/2014 | US8723441 Method and circuit arrangement for regulating a LED current flowing through a LED circuit arrangement, and associated circuit composition and lighting system |
| 05/13/2014 | US8723440 AC voltage reduction by means of a transformer |
| 05/13/2014 | US8723439 Triac dimmable power supply unit for LED |
| 05/13/2014 | US8723437 Filter bandwidth adjustment in a multi-loop dimmer control circuit |
| 05/13/2014 | US8723430 Using two thermal switches to control a hybrid lamp |
| 05/08/2014 | WO2014067215A1 High-frequency generator, electrodeless lamp driving method and electrodeless lamp ballast |
| 05/08/2014 | WO2013152371A3 Method for operating an llc resonant converter for an illuminant, converter and led converter |
| 05/08/2014 | DE10392152B4 Elektronisches Vorschaltgerät für eine Entladungslampe Electronic ballast for a discharge lamp |
| 05/07/2014 | EP2728973A1 Light source device and control method for light source device |
| 05/07/2014 | EP2727440A2 Determine a setting of a triac dimmer through induced relaxation oscillation |
| 05/07/2014 | CN203590577U 滑行道标记牌荧光灯驱动电路 Taxiway signs fluorescent lamp drive circuit |
| 05/07/2014 | CN203590576U 汽车氙气灯的调整装置 Adjusting device auto xenon lamp |
| 05/07/2014 | CN203590575U 滑行道标记牌cpu辅助的荧光灯驱动电路 Taxiway signs cpu-assisted fluorescent lamp driving circuit |
| 05/07/2014 | CN203590574U 可延长高压钠灯镇流器使用寿命的控制电路 Extend the life of HPS ballast control circuit |
| 05/07/2014 | CN203590573U 无极灯镇流器 Lamp ballasts |
| 05/07/2014 | CN203590572U 一种中频稳压电源供电的高功率因数节能灯 Intermediate Frequency regulated power supply high power factor energy-saving lamps |
| 05/07/2014 | CN103781268A 一种电子镇流器和照明系统 An electronic ballasts and lighting systems |
| 05/07/2014 | CN103781267A 一种新型路灯电子镇流器 A new electronic ballast lights |
| 05/07/2014 | CN103781266A 电子镇流器、移动终端、移动终端自动播报系统和方法 Electronic ballast, the mobile terminal, the mobile terminal automatically broadcast system and method |
| 05/07/2014 | CN103781265A 具有温度补偿的镇流器 Ballast with temperature compensation |
| 05/07/2014 | CN103781264A 一种查询电气参数的方法、电子镇流器和照明系统 A means to query the electrical parameters of the method, electronic ballasts and lighting systems |
| 05/07/2014 | CN103781243A 一种组合节能路灯及其节能控制方法 An energy-saving lamps and energy-saving control method combination |
| 05/07/2014 | CN102884866B 用于场致发光装置的谐振电路 An electroluminescent device according to the resonant circuit |
| 05/07/2014 | CN102791068B 一种反接保护电子镇流器用电路 One kind of reverse polarity protection electronic ballast circuit |
| 05/07/2014 | CN102651941B 荧光灯镇流器保护电路及荧光灯镇流器电路 Fluorescent lamp ballasts and fluorescent ballast circuit protection circuit |
| 05/07/2014 | CN102458027B 点灯电路的控制方法及其所适用的点灯电路 The control method applicable to the lighting circuit and a lighting circuit |
| 05/07/2014 | CN102132631B 放电灯点亮装置 The discharge lamp lighting device |
| 05/07/2014 | CN102026455B 点亮装置和投影机 The lighting device and the projection unit |
| 05/07/2014 | CN101861043B 远程照明控制系统 Remote lighting control system |
| 05/07/2014 | CN101835319B 用于电子镇流器的外壳 A housing for an electronic ballast |
| 05/07/2014 | CN101500368B 微波激励放电灯的点亮方法 Microwave excitation of the discharge lamp lighting method |
| 05/07/2014 | CN101404847B 背光组件以及具有该背光组件的显示装置 A backlight assembly having the backlight assembly and a display device |
| 05/06/2014 | US8716957 Powering high-efficiency lighting devices from a triac-based dimmer |
| 05/06/2014 | US8716944 Non-isolated AC/DC converter with power factor correction |
| 05/01/2014 | WO2014066267A1 Gas discharge lamp ballast with reconfigurable filament voltage |
| 05/01/2014 | US20140122017 Fluorescent socket connector having beacon module for indoor positioning, and indoor positioning system using the same |
| 05/01/2014 | US20140117880 Discharge lamp operating apparatus |
| 05/01/2014 | US20140117870 Deuterium lamp power supply circuit |
| 04/30/2014 | DE102012110259A1 Method for dimming lamp, involves reducing brightness of light emitted by larger part of light-emitting elements, where dimming of light emitting elements takes pace through pulse width modulation of supply current |
| 04/30/2014 | DE102009041724B4 Elektronische Schaltungsanordnung zur Begrenzung eines Einschaltstroms und Schaltgerät Electronic circuit arrangement for limiting an inrush current and the switching device |
| 04/30/2014 | DE102004010167B4 Fernsehgerät und Kaltkathodenröhren-Dimmer TV and Cold Cathode Fluorescent Lamp Dimmer |
| 04/30/2014 | CN203574921U Dimmable electrodeless lamp driving circuit |
| 04/30/2014 | CN203574920U Novel variable-frequency electronic ballast driver for light source |
| 04/30/2014 | CN203574919U Electronic ballast and lighting system |
| 04/30/2014 | CN203574918U Novel electrodeless lamp power box |
| 04/30/2014 | CN203574917U Electrodeless lamp power box |
| 04/30/2014 | CN203573912U Time relay for metal halide lamp load |
| 04/30/2014 | CN103763844A Fluorescent energy-saving lamp life prolonging starting module and fluorescent energy-saving lamp |
| 04/30/2014 | CN101969732B Protection circuit for backlight module of liquid crystal display |
| 04/30/2014 | CN101902868B Operating resonant load circuit, dimming circuit and dimming method |
| 04/29/2014 | US8710759 LED illumination control using a simple digital command structure |
| 04/29/2014 | US8710756 Active constant power supply apparatus |
| 04/29/2014 | US8710748 Illumination apparatus |
| 04/29/2014 | US8710745 LED drive circuit |
| 04/24/2014 | WO2012118653A3 Semiconductor light emitting devices having selectable and/or adjustable color points and related methods |
| 04/24/2014 | US20140111111 Gas discharge lamp ballast with reconfigurable filament voltage |
| 04/24/2014 | US20140111109 High pressure discharge lamp lighting device, projector provided with the same, and high pressure discharge lamp lighting method |
| 04/24/2014 | US20140111106 Ballast with temperature compensation |
| 04/23/2014 | CN203563253U Timed dimming electronic ballast adopting sliding-frequency trigger ignition and light attenuation detection control |
| 04/23/2014 | CN203563252U Ballast of longevity lamp |
| 04/23/2014 | CN203562272U Integrated magnetic component and integrated LED driving power |
| 04/23/2014 | CN103748512A A flash tube with an external triggering wire |
| 04/23/2014 | CN103747604A Circuit for controlling brightness of fluorescent lamp |
| 04/23/2014 | CN103747603A Isolated-type multiple electronic ballast combined dimming execution circuit |
| 04/23/2014 | CN103747602A Inductive-ballast-type xenon lamp trigger |
| 04/23/2014 | CN102573246B Activation circuit of non-radioactive material starter |
| 04/23/2014 | CA2829611A1 Latching circuit for ballast |
| 04/22/2014 | US8704459 Two-wire dimmer circuit for a screw-in compact fluorescent lamp |
| 04/19/2014 | CA2829897A1 Ballast with temperature compensation |
| 04/17/2014 | WO2014057247A2 Voltage regulator unit, voltage regulator apparatus, and lighting apparatus incorporating such voltage regulator unit and voltage regulator apparatus |