| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 01/09/2013 | CN102870501A AC driven solid state lighting apparatus with LED string including switched segments |
| 01/09/2013 | CN102870500A Method for operating a gas discharge lamp and gas discharge lamp system |
| 01/09/2013 | CN102869178A Locomotive headlamp dimmer |
| 01/09/2013 | CN102869177A Light intensity full-automatic stepless adjustment system of large-power high-voltage gas discharge lamp |
| 01/09/2013 | CN102869176A DC frequency oscillation pest-killing lamp tube starter |
| 01/09/2013 | CN102869175A High frequency electronic discharge lamp electronic ballast |
| 01/09/2013 | CN102869174A Compensating device for roadway lighting single lamp |
| 01/09/2013 | CN101964300B Bidirectional high-frequency electrodeless lamp bulb and high-frequency electrodeless lamp |
| 01/09/2013 | CN101742802B Control method, device and system of high-intensity discharge lamp |
| 01/09/2013 | CN101663922B Illumination lamp ignition device and lighting device |
| 01/09/2013 | CN101647322B Digital control circuit of an operating device for lamps |
| 01/09/2013 | CN101594723B Backlight driving circuit |
| 01/09/2013 | CN101583229B Multi-discharge lamp parallel driving circuit and driving method |
| 01/09/2013 | CN101568219B 光源驱动装置 Light source driving means |
| 01/09/2013 | CN101422082B Superimposed-type device for a ballast |
| 01/09/2013 | CN101351073B Apparatus for detecting and adjusting illuminating value |
| 01/08/2013 | US8351856 Adaptive inductive power supply with communication |
| 01/08/2013 | US8350500 Solid state lighting devices including thermal management and related methods |
| 01/08/2013 | US8350496 Method and apparatus for driving a pulse modulated output circuit |
| 01/08/2013 | US8350492 Driver for backlight unit |
| 01/08/2013 | US8350484 Push button switch |
| 01/03/2013 | WO2013003446A1 Multiple lamp lighting level ballast for series connected lamps |
| 01/03/2013 | US20130002138 Amalgam temperature maintaining device for dimmable fluorescent lamps |
| 01/03/2013 | DE102012105684A1 Vorrichtung zur Aufrechterhaltung der Amalgamtemperatur für dimmbare Leuchtstofflampen Means for maintaining the amalgam temperature for dimmable fluorescent lamps |
| 01/03/2013 | DE102011051501A1 Ballast for gas discharge lamp, has voltage tap circuit with frequency dependent transfer characteristic, which has input terminal connected to gas discharge lamp and output terminal connected to control circuit |
| 01/02/2013 | EP2539751A1 Hid lighting system |
| 01/02/2013 | CN202652675U Control system implanted with sensing switch for realizing intelligent energy saving |
| 01/02/2013 | CN202652674U Big power low frequency power supply |
| 01/02/2013 | CN202652673U Digital intelligentization integrated circuit specially used in gas discharge lamp |
| 01/02/2013 | CN202652672U ODL energy saving street lamp |
| 01/02/2013 | CN202652671U City road lamp integrated monitoring system |
| 01/02/2013 | CN202652670U Circuit structure of ballast |
| 01/02/2013 | CN202652669U Electrodeless lamp electronic ballast |
| 01/02/2013 | CN202652668U Intelligent electronic ballast |
| 01/02/2013 | CN202652667U Test protection line of electrodeless lamp power meter |
| 01/02/2013 | CN202652666U Ballast |
| 01/02/2013 | CN1893757B Circuit arrangement and method for controlling the power of an electronic ballast in dependence of the line voltage |
| 01/02/2013 | CN102860137A Method of driving an HID lamp |
| 01/02/2013 | CN102860136A Pulsed operation of a discharge lamp |
| 01/02/2013 | CN102860135A Method and control circuit for starting a gas-discharge lamp |
| 01/02/2013 | CN102853326A Tunnel induction lamp and induction control method of tunnel lighting |
| 01/02/2013 | CN101848589B Full digital high-power metal halide lamp electronic ballast |
| 01/02/2013 | CN101848588B Control method of full digital high-power metal halide lamp electronic ballast |
| 01/02/2013 | CN101742793B Special high-voltage power supply of zinc element hollow cathode lamp |
| 01/02/2013 | CN101730336B 照明灯节能控制系统 Energy-saving lighting control systems |
| 01/02/2013 | CN101682970B Symmetrical RF power supply for inductively coupled electrodeless lamps |
| 01/02/2013 | CN101646294B Driving device and driving method for discharge lamp, light source device, and image display apparatus |
| 01/02/2013 | CN101640967B Drive circuit, dimming circuit and dimming method for fluorescent lamp |
| 01/02/2013 | CN101523985B Light source driving circuit, light source component provided with the light source driving circuit, and display apparatus |
| 01/02/2013 | CN101426322B 镇流器电路 Ballast circuit |
| 01/02/2013 | CN101213886B Method for driving a high-pressure gas discharge lamp of a projector system |
| 01/02/2013 | CN101164391B Electronic reactive current oscillation-reducing ballast |
| 01/01/2013 | US8346167 Adaptive inductive power supply with communication |
| 01/01/2013 | US8346166 Adaptive inductive power supply with communication |
| 01/01/2013 | US8344993 Backlight device and method for LCD displays |
| 01/01/2013 | US8344657 LED driver with open loop dimming control |
| 01/01/2013 | US8344655 Power and data track lighting system |
| 01/01/2013 | US8344651 Light control apparatus and lighting appliance using the same |
| 01/01/2013 | US8344649 Universal electronic ballast for operating Hg-free lamps and Hg-containing discharge lamps |
| 01/01/2013 | US8344645 Method of driving discharge lamp, driving device, and projector |
| 01/01/2013 | US8344644 Electronic ballast for HID lamps with active lamp power control |
| 01/01/2013 | US8344642 Lighting device having a rail device that can be fixed to a surface of an object |
| 01/01/2013 | US8344641 LED illumination control using simple digital command structure |
| 01/01/2013 | US8344640 Method for operating a fluorescent lamp |
| 01/01/2013 | US8344639 Programmable LED driver |
| 01/01/2013 | US8344638 Apparatus, system and method for cascaded power conversion |
| 01/01/2013 | US8344635 Driving regulation method for bipolar transistors in electronic ballast and the device thereof |
| 01/01/2013 | US8344628 Dimming electronic ballast with lamp end of life detection |
| 01/01/2013 | US8344624 Plasma lamp with dielectric waveguide having a dielectric constant of less than two |
| 01/01/2013 | US8342695 High pressure discharge lamp lighting apparatus and projector |
| 12/27/2012 | WO2012178024A1 Method and apparatus for power control |
| 12/27/2012 | WO2012083222A3 Switching parameter based discontinuous mode-critical conduction mode transition |
| 12/27/2012 | US20120326629 Systems and methods for intelligent control of cold-cathode fluorescent lamps |
| 12/27/2012 | US20120326622 Computing device with color organ |
| 12/27/2012 | DE112011100716T5 Schaltung und Verfahren zum Vorheizen von Wendeln und Vorschaltgerät Circuit and method for pre-heating coils and ballast |
| 12/27/2012 | CA2840356A1 Method and apparatus for power control |
| 12/26/2012 | EP2538758A2 Expanded switch control of illuminant operating device |
| 12/26/2012 | CN202634864U HID electronic ballast |
| 12/26/2012 | CN202634863U Nuclear power special-purpose anti-explosion fluorescent lamp |
| 12/26/2012 | CN202634862U Single switch double-power switching energy saving lamp |
| 12/26/2012 | CN202634861U Fluorescent lamp electronic ballast with integrated protection circuit |
| 12/26/2012 | CN202634860U Nuclear power aluminium special-purpose fluorescent lamp |
| 12/26/2012 | CN202634859U Xenon lamp stabilizing device |
| 12/26/2012 | CN202634858U Electrodeless lamp circuit board |
| 12/26/2012 | CN202634857U Energy-efficient intelligent ballast |
| 12/26/2012 | CN202634856U Intelligent electronic ballast and control system comprising the intelligent electronic ballast |
| 12/26/2012 | CN202633229U Tungsten halogen type speedy-starting energy-saving lamp |
| 12/26/2012 | CN202633221U Non-electromagnetic radiation self-ballasted fluorescent lamp |
| 12/26/2012 | CN1703133B Lighting device for high pressure discharge lamp |
| 12/26/2012 | CN102843849A Electronic ballast circuit for emergency lamp |
| 12/26/2012 | CN102843848A Electronic ballast circuit used for remote control type emergency lamp |
| 12/26/2012 | CN102843847A Drive device of fluorescent lamp |
| 12/26/2012 | CN102843846A Half-bridge inverting circuit in electrodeless lamp electronic ballast |
| 12/26/2012 | CN102843845A Ballast component and lamp using same |
| 12/26/2012 | CN102840476A Electrodeless lamp device having light adjusting function |
| 12/26/2012 | CN102032532B Fixing frame of Illuminating lamp driving device,, driving device and illuminating lamp |
| 12/26/2012 | CN101652008B Balancer board for backlight device |
| 12/26/2012 | CN101541127B Neon-light electronic transformer |
| 12/26/2012 | CN101336038B Method for operating a multi-channel dimmer |
| 12/25/2012 | US8339070 Light emitting diode lamp |