| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 04/11/2012 | EP2440022A2 Switch and method for controlling a lamp |
| 04/11/2012 | EP2440021A2 Fixed-time, fixed-frequency, preheat-type ballast circuit for fluorescent light tube |
| 04/11/2012 | EP2438607A2 Method and system for monitoring performance of a discharge lamp and corresponding lamp |
| 04/11/2012 | EP2138015B1 Circuit configuration for generating an auxiliary voltage and for operating at least one discharge lamp |
| 04/11/2012 | CN202190068U Circuit for inhibiting surge impact of light regulation or speed regulation switch |
| 04/11/2012 | CN202188862U 一种频闪静像仪 Still one kind of stroboscopic instrument |
| 04/11/2012 | CN102415218A High-voltage discharge lamp lighting apparatus |
| 04/11/2012 | CN102413626A 感应式荧光灯具 Induction fluorescent lamps |
| 04/11/2012 | CN102413625A Capacitive circuit controlled HID (High Intensity Discharge) illumination delaying device |
| 04/11/2012 | CN102413624A HID (high intensity discharge) ballast delay device |
| 04/11/2012 | CN102413623A Time-delayed illumination device of headlight |
| 04/11/2012 | CN102413622A Lighting device, electronic ballast therein and protection method of electronic ballast |
| 04/11/2012 | CN102413621A Filament preheating circuit, method and ballast |
| 04/11/2012 | CN102413598A 镇流器和包括该镇流器的照明系统 The ballast includes a ballast and an illumination system |
| 04/11/2012 | CN101233791B Ignition circuit for igniting a discharge lamp and method for igniting the discharge lamp |
| 04/10/2012 | US8154222 Pulse-width modulation current control with reduced transient time |
| 04/10/2012 | US8154219 Method of scanning backlight driving lamps for an LCD |
| 04/10/2012 | US8154218 Method and apparatus for retrofitting HID lamps with system to periodically adjust operating wattage |
| 04/10/2012 | US8154217 Driver circuit, method for operating and use of a current mirror of a driver circuit |
| 04/10/2012 | US8154216 External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy |
| 04/10/2012 | US8154215 Discharge lamp lighting apparatus |
| 04/10/2012 | US8154214 Switching power supply for an illumination device with precision current control |
| 04/10/2012 | US8154212 Circuit for driving light sources and related method |
| 04/10/2012 | US8154211 End-of-life protection circuit and method for high intensity discharge lamp ballast |
| 04/05/2012 | WO2012044932A1 Plasma lamp with lumped components |
| 04/05/2012 | WO2012042412A2 Device and method for automatically detecting installed lamp type |
| 04/05/2012 | WO2011149863A3 Dimmer conduction angle detection circuit and system incorporating the same |
| 04/05/2012 | WO2011149838A3 Lighting control failsafe circuit |
| 04/05/2012 | WO2011146427A3 High frequency led driver, three dimensional inductor and method of manufacturing same |
| 04/05/2012 | US20120081036 Automatic dropout prevention in led drivers |
| 04/05/2012 | US20120081026 Fixed-time, fixed-frequency, preheat-type ballast circuit for fluorescent light tube |
| 04/05/2012 | US20120081025 Power Conversion and Control Systems and Methods for Solid-State Lighting |
| 04/05/2012 | US20120081024 Utility control system and method |
| 04/05/2012 | US20120081023 Power Conversion and Control Systems and Methods for Solid-State Lighting |
| 04/05/2012 | US20120081020 Apparatus and method for driving fluorescent lamp |
| 04/05/2012 | US20120081019 Fluorescent lamp circuit capable of being repaired and repeatedly used |
| 04/05/2012 | DE102010041987A1 Betriebsgerät mit einstellbarer kritischer Temperatur Operation with adjustable critical temperature |
| 04/05/2012 | DE102010041831A1 Elektronische Steuereinrichtung für eine Beleuchtungseinrichtung eines Kraftfahrzeugs Electronic control means for an illumination device of a motor vehicle |
| 04/05/2012 | DE102010041830A1 Steuer- und Regeleinrichtung für eine Gasentladungslampe eines Kraftfahrzeugscheinwerfers Control and regulating device for a gas discharge lamp of a motor vehicle headlight |
| 04/04/2012 | EP2437580A2 Apparatus and method for driving fluorescent lamp |
| 04/04/2012 | EP2436000A1 An intelligent lighting tile system powered from multiple power sources |
| 04/04/2012 | EP1525779B1 Driver for a gas discharge lamp |
| 04/04/2012 | CN202183906U Automatic load judging circuit of lamp remote controlled receiving controller |
| 04/04/2012 | CN202183905U 智能节能灯具 Smart energy-saving lamps |
| 04/04/2012 | CN202183904U 一种镇流器及其腔体 One kind of ballast and its cavity |
| 04/04/2012 | CN102404926A Energy-saving electronic ballast of high voltage sodium lamp |
| 04/04/2012 | CN102404925A Electronic ballast for lighting unit and lighting equipment |
| 04/04/2012 | CN102404924A Lc电感电容镇流器 Lc inductor-capacitor ballast |
| 04/04/2012 | CN102404919A Bedside energy-saving induction lamp |
| 04/04/2012 | CN102404907A 一种三线调光器 A three-wire dimmer |
| 04/04/2012 | CN102404895A Illumination control system utilizing microcontroller and illumination control method |
| 04/04/2012 | CN101277569B 用于简单建立电连接的电流平衡电路 A simple electrical connection is established for the current balance circuit of |
| 04/04/2012 | CN101257760B 多放电管照明设备 Multi-discharge lighting equipment |
| 04/03/2012 | US8149195 Method and apparatus for driving liquid crystal display device |
| 04/03/2012 | US8148920 Method of controlling a ballast for a high intensity discharge lamp and related system |
| 04/03/2012 | US8148911 Current-balance circuit and backlight module having the same |
| 04/03/2012 | US8148910 Differential driving circuit for powering a light source |
| 04/03/2012 | US8148909 Driver system and method with multi-function protection for cold-cathode fluorescent lamp and external-electrode fluorescent lamp |
| 04/03/2012 | US8148907 Dimmable power supply |
| 03/29/2012 | WO2012038233A1 Circuit and method for preheating filaments and ballast |
| 03/29/2012 | WO2012038232A1 Ballast and illumination system including the same |
| 03/29/2012 | WO2012037973A2 Method for starting a high-pressure discharge lamp |
| 03/29/2012 | WO2011114248A3 Method and device for driving a gas discharge lamp |
| 03/29/2012 | WO2011021120A3 Method and apparatus providing universal voltage input for solid state light fixtures |
| 03/29/2012 | US20120075596 High efficiency illumination |
| 03/29/2012 | US20120074871 Apparatus for controlling power supplied to discharge lamp in response to command supplied from outside the apparatus |
| 03/29/2012 | US20120074869 Multimode controller for led light sources |
| 03/29/2012 | US20120074864 Method and circuit arrangement for generating a pulsed voltage |
| 03/29/2012 | US20120074863 Method And Apparatus For Driving A Pulse Modulated Output Circuit |
| 03/29/2012 | US20120074858 High-pressure discharge lamp light-up device, high-pressure discharge lamp apparatus using same, projector using high-pressure discharge lamp apparatus, and light-up method for high-pressure discharge lamp |
| 03/29/2012 | US20120074855 Power Splitter Circuit For Electrodeless Lamp |
| 03/29/2012 | US20120074845 Automobile led driving device |
| 03/29/2012 | US20120074843 Lighting Wall Switch with Power Failure Capability |
| 03/29/2012 | US20120074839 Discharge Lamp and Discharge Lamp Device |
| 03/29/2012 | CA2828149A1 Power splitter circuit for electrodeless lamp |
| 03/29/2012 | CA2742519A1 Power splitter circuit for electrodeless lamp |
| 03/28/2012 | EP2434845A2 Discharge lamp lighting circuit |
| 03/28/2012 | EP2434844A2 Lighting device, illumination fixture, and illumination system |
| 03/28/2012 | EP2434843A1 High-voltage discharge lamp lighting apparatus |
| 03/28/2012 | EP2433473A1 Resonant power converter driving an inductive load like a discharge lamp |
| 03/28/2012 | CN202178908U 长寿命荧光灯控制电路 Long-life fluorescent lamp control circuit |
| 03/28/2012 | CN202178907U Electronic ballast power factor correction circuit used for high voltage gas discharge lamp |
| 03/28/2012 | CN202178906U 一种光耦隔离式驱动单元电路 One kind of opto-isolated drive unit circuit |
| 03/28/2012 | CN202178901U Smart lighting control system |
| 03/28/2012 | CN202177058U 便携式高压钠灯镇流器 Portable high-pressure sodium lamp ballast |
| 03/28/2012 | CN202177007U Electrodeless signal lamp for train |
| 03/28/2012 | CN102395240A External resistor control HID (high intensity discharge) efficiency output apparatus |
| 03/28/2012 | CN102395239A Electrical ballast |
| 03/28/2012 | CN102395238A Double-Moss tube asynchronous control HID transformer frequency output apparatus |
| 03/28/2012 | CN101146392B Electronic ballast with asymmetrical inverter actuation |
| 03/27/2012 | US8144172 Color temperature correction device and display device |
| 03/27/2012 | US8143811 Lighting control system and method |
| 03/27/2012 | US8143808 Circuit for a motor vehicle, in particular for actuating a lighting device |
| 03/27/2012 | US8143802 Method of driving discharge lamp, driving device, and projector |
| 03/27/2012 | US8143801 Electrodeless lamps and methods |
| 03/27/2012 | US8143798 Driving device and driving method for discharge lamp, light source device, and image display apparatus |
| 03/27/2012 | US8143795 Circuit arrangement for firing a discharge lamp |
| 03/27/2012 | US8143794 Low voltage light source driving circuit |
| 03/27/2012 | US8143793 Device and method for periodic diode actuation |
| 03/27/2012 | CA2634530C Point-of-use water treatment system |