| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 08/03/2010 | US7768495 Apparatus and method for luminance control of liquid crystal display device |
| 08/03/2010 | US7768213 High-efficiency single-ended forward-flyback electronic driver for barrier discharge lamps |
| 08/03/2010 | US7768211 Method and circuit arrangement for operating a high-pressure gas discharge lamp |
| 07/29/2010 | WO2010085721A1 Modulator module in an integrated circuit device |
| 07/29/2010 | WO2010083628A1 Apparatus and method for dimming a backlight with pseudo-random phase delay |
| 07/29/2010 | WO2010063719A3 Operating device and method for operating at least one hg low pressure discharge lamp |
| 07/29/2010 | US20100191507 Multi-Protocol Fire-Alarm Strobe Synchronization |
| 07/29/2010 | US20100190455 Network-type light emitting diode illuminating lamp which can perform wireless communication |
| 07/29/2010 | US20100188614 Driving apparatus and method for fluorescent lamp |
| 07/29/2010 | US20100188381 Emission control driver and organic light emitting display device using the same |
| 07/29/2010 | US20100188026 Starter Stopper for High Intensity Discharge Lighting |
| 07/29/2010 | US20100188021 Electronic ballast and method for operating at least one discharge lamp |
| 07/29/2010 | US20100188020 High frequency ballast for a fixed output high intensity discharge lamp |
| 07/29/2010 | US20100188014 Modulator module in an integrated circuit device |
| 07/29/2010 | US20100188012 Apparatus and method for dimming a backlight with pseudo-random phase delay |
| 07/29/2010 | US20100188011 Piezoelectric transformer driving device, cold-cathode tube inverter, cold-cathode tube driving device, and image forming apparatus |
| 07/29/2010 | US20100188010 Light source device and projector |
| 07/29/2010 | US20100188008 Lighting Controllers |
| 07/29/2010 | DE10290424B4 Vorschaltgerät für eine Entladungslampe und Verfahren zum Betreiben einer Entladungslampe Ballast for a discharge lamp and method of operating a discharge lamp |
| 07/29/2010 | DE102010004064A1 Elektronischer Ballast, der eine Regelung des Stromverlaufs innerhalb jeder Halbwelle aufweist Electronic ballast having a control of the current flow within each half-wave |
| 07/29/2010 | DE102009004852A1 Detektorschaltung und Verfahren zur Ansteuerung einer Leuchtstofflampe Detection circuit and method for driving a fluorescent lamp |
| 07/29/2010 | DE102009004851A1 Detektorschaltung und Verfahren zur Ansteuerung einer Leuchtstofflampe Detection circuit and method for driving a fluorescent lamp |
| 07/28/2010 | EP2211593A2 Discharge lamp lighting device and illumination fixture |
| 07/28/2010 | EP2211452A1 Capacitor charging circuit and method thereof |
| 07/28/2010 | EP2210454A1 Circuit assembly and method for operating a high pressure discharge lamp |
| 07/28/2010 | CN201536450U Touch type intelligent segmented light modulating energy-saving lamp circuit |
| 07/28/2010 | CN201536449U Drive circuit of non-polar light-modulating energy-saving lamp |
| 07/28/2010 | CN201536448U 一种高能效自激式双驱动半桥开关电源 An energy-efficient self-oscillating half-bridge switching power supply dual drive |
| 07/28/2010 | CN201536447U 无变压器的自振式电子镇流器 Transformerless self-oscillating electronic ballast |
| 07/28/2010 | CN201536325U Three-phase alternating current power supply device of single-phase current-using equipment |
| 07/28/2010 | CN201535466U 分体式专车专用的hid安定器 Split dedicated car hid ballast |
| 07/28/2010 | CN201533544U 自动转换熏蚊捕蚊机 Automatic conversion smoked mosquito mosquito machine |
| 07/28/2010 | CN1711807B Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same |
| 07/28/2010 | CN1645980B Method and apparatus for a voltage controlled start-up circuit for an electronic ballast |
| 07/28/2010 | CN101790900A High-voltage discharge lamp lighting apparatus, high-voltage discharge lamp lighting method, and projector |
| 07/28/2010 | CN101790275A Control module of electrodeless lamp with selectable timing time and variable power |
| 07/28/2010 | CN101790274A Discharge lamp lighting device and illumination fixture |
| 07/28/2010 | CN101790273A Discharge lamp lighting device and lighting fixture |
| 07/28/2010 | CN101788744A Device and method for driving mini projector |
| 07/27/2010 | US7764027 Dimmable control circuit |
| 07/22/2010 | WO2010081570A1 Detector circuit and method for controlling a fluorescent lamp |
| 07/22/2010 | WO2009068618A3 High-frequency lamp and method for the operation thereof |
| 07/22/2010 | US20100181942 Thermionic emission device |
| 07/22/2010 | US20100181936 Driver Device for a Load and Method of Driving a Load With Such A Driver Device |
| 07/22/2010 | US20100181933 Direct ac-to-dc converter for passive component minimization and universal operation of led arrays |
| 07/22/2010 | US20100181931 Multi-lamp driving circuit |
| 07/22/2010 | US20100181930 Regulated power supply |
| 07/22/2010 | US20100181928 Multi-lamp driving circuit |
| 07/22/2010 | US20100181927 Multi-lamp driving circuit |
| 07/22/2010 | US20100181926 High-pressure discharge lamp system and projector using the same |
| 07/22/2010 | US20100181925 Ballast/Line Detection Circuit for Fluorescent Replacement Lamps |
| 07/22/2010 | US20100181922 Lighting device having a rail device that can be fixed to a surface of an object |
| 07/22/2010 | US20100181920 Backlight driving system |
| 07/22/2010 | DE202008017768U1 Steuerung der Beleuchtung einer Aufzugskabine Control the lighting of an elevator car |
| 07/22/2010 | DE102009008657B3 Electric circuit for operating gas-discharge lamp at alternating current power source, has ring exhibiting half of high impedance earth connections from virtual point to earth potential over detection circuit when lamp is provided in ring |
| 07/21/2010 | EP2208403A1 Operating device for controlling the warm-up time of a lamp |
| 07/21/2010 | EP2208402A1 Ballast for a gas discharge lamp, for example an hid lamp |
| 07/21/2010 | EP2208401A1 Electronic ballast and method for operating at least one first and second discharge lamp |
| 07/21/2010 | EP2208400A1 Switchable current supply for auxiliary current circuits in a current converter |
| 07/21/2010 | EP2208399A1 Operating lighting means |
| 07/21/2010 | CN201533444U Dimmable electronic ballast of LED auxiliary lighting and energy-saving lamp provided with same |
| 07/21/2010 | CN201533443U Digital-type high-power multifunctional HID electronic ballast |
| 07/21/2010 | CN201533442U High power factor electronic amperite |
| 07/21/2010 | CN201533441U Double-light electronic ballast circuit outputting in series connection |
| 07/21/2010 | CN201533440U Series connection electronic trigger for high-strength gas discharge lamp |
| 07/21/2010 | CN201532516U Driving device and mini-type projector employing same |
| 07/21/2010 | CN201531793U Energy-saving road lamp bulb |
| 07/21/2010 | CN201531772U Lamp with reliable structure |
| 07/21/2010 | CN1805641B Removable combined electronic ballast component and its electronic ballast system composed of the electronic ballast component |
| 07/21/2010 | CN1708203B Fluorescent/sodium lamp illumination power-saving device |
| 07/21/2010 | CN101784152A Power-saving method of high voltage sodium lamp |
| 07/21/2010 | CN101784151A Light source driving device |
| 07/21/2010 | CN101784150A Double-lamp tube driving circuit |
| 07/20/2010 | US7761004 Electronic apparatus, lighting apparatus and method of calculating electric quantity thereof |
| 07/20/2010 | US7760175 Multi-light driving device, LCD with multi-light driving device and method for driving LCD |
| 07/20/2010 | US7759878 Lighting device for a high-pressure discharge lamp and lighting equipment employing same |
| 07/20/2010 | US7759877 Driving system for electronic device and current balancing circuit thereof |
| 07/20/2010 | US7759876 LED lighting apparatus |
| 07/20/2010 | CA2577416C Improved apparatus and method for control of high intensity discharge lighting |
| 07/20/2010 | CA2488035C Electronic dimming ballast for compact fluorescent lamps |
| 07/15/2010 | WO2010079401A1 Optical reactor and driving circuit for optical reactor |
| 07/15/2010 | WO2010079190A1 Method, operating device, and lighting system |
| 07/15/2010 | WO2010031727A3 Method for controlling a gas discharge lamp and control device |
| 07/15/2010 | WO2009137183A3 Heat sink for integral hid reflector lamp |
| 07/15/2010 | US20100177286 Lighting method and lighting apparatus for a high pressure discharge lamp, a high pressure discharge lamp apparatus, and a projection-type image display apparatus |
| 07/15/2010 | US20100176747 Output buffer and source driver using the same |
| 07/15/2010 | US20100176743 Illumination Apparatus |
| 07/15/2010 | US20100176741 Light with removable head and cover |
| 07/15/2010 | US20100176740 Feedforward control of semiconductor light sources |
| 07/15/2010 | US20100176739 Discharge lamp operating device, illumination device and liquid crystal display device |
| 07/15/2010 | US20100176738 Device for driving a gas discharge lamp |
| 07/15/2010 | US20100176737 Discharge lamp ballast having an auto-transformer for high voltage detection |
| 07/15/2010 | US20100176731 Adaptor and Illumination Apparatus |
| 07/15/2010 | DE202010003627U1 Ansteuerschaltung für Lumineszenzlampe mit Aufrechterhaltung der Arbeitsspannung bei unterschiedlichem Versorgungsstrom A drive circuit for luminescent lamp with maintaining the working voltage at different supply current |
| 07/15/2010 | DE102009055179A1 Operating device for operating fluorescent lamp, has actively-controlled switches controlled by magnetic-coupling with output circuit, where control of switches is damped for preset time such that control frequency of switches is increased |
| 07/15/2010 | DE102009009915A1 Verfahren, Betriebsgerät und Beleuchtungssystem Procedures, control gear and lighting system |
| 07/14/2010 | EP2207404A1 A method of controlling a fluorescent lamp, a controller and a fluorescent lamp |
| 07/14/2010 | EP2207403A1 Control device and method for operating a street light |
| 07/14/2010 | EP2206416A1 A system for feeding light sources subject to dimming and corresponding method |
| 07/14/2010 | EP2206415A1 Two-wire dimmer circuit for a screw-in compact fluorescent lamp |