| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 05/27/2009 | CN101442863A Tandem type electronic trigger |
| 05/27/2009 | CN101441976A Wide-voltage startup electrodeless lamp capable of preventing electromagnetic radiation |
| 05/27/2009 | CN101441975A Electrodeless lamp capable of preventing electromagnetic radiation |
| 05/27/2009 | CN101441971A Ultrathin lamp holder electronic energy-saving lamp |
| 05/27/2009 | CN101440946A Universal semi-circle integrated daylight lamp apparatus |
| 05/27/2009 | CN100492652C Organic electroluminescent display device |
| 05/26/2009 | US7538536 DC-AC converter and controller IC therefor |
| 05/22/2009 | WO2009064257A1 Energy saving fluorescent lighting system |
| 05/22/2009 | WO2009064099A2 Apparatus for connecting led lamps into lighting instruments of a fluorescent lamp |
| 05/22/2009 | WO2009062835A1 Ballast having a dbd lamp |
| 05/22/2009 | WO2009062554A1 Switchable current supply for auxiliary current circuits in a current converter |
| 05/22/2009 | WO2009062552A1 Apparatus and method for testing of wiring for at least one discharge lamp |
| 05/22/2009 | WO2009062542A1 Circuit assembly and method for operating a high pressure discharge lamp |
| 05/21/2009 | US20090128058 Overload Protection Circuit |
| 05/21/2009 | US20090128057 Fluorescent lamp and ballast with balanced energy recovery pump |
| 05/21/2009 | US20090128052 Extended Life LED Fixture with Distributed Controller and Multi-Chip LEDS |
| 05/21/2009 | US20090128051 Apparatus and method of driving lamp of liquid crystal display device |
| 05/21/2009 | US20090128050 Circuit Unit |
| 05/21/2009 | US20090128049 Discharge lamp lighting apparatus |
| 05/21/2009 | US20090128048 Organic light emitting diode power converter |
| 05/21/2009 | US20090128047 Backlight assembly, display apparatus having the same and control method thereof |
| 05/21/2009 | US20090128045 Electronic Circuits for Driving Series Connected Light Emitting Diode Strings |
| 05/20/2009 | DE4230020B4 Kopplungsanordnung für eine elektrodenlose HID-Lampe mit integriertem Anpassungsnetzwerk Coupling arrangement for an electrodeless HID lamp with integrated matching network |
| 05/20/2009 | DE202009000622U1 Leuchtstoff-Lampe mit Vorschaltgerät Fluorescent lamp with ballast |
| 05/20/2009 | DE102007055164A1 Leuchtmittel-Betriebsgerät zu Datenausgabe Lamp operating device for data output |
| 05/20/2009 | DE102007054806A1 Betriebsschaltung für in Serie geschaltete Leuchtmittel, insbesondere HID-Gasentladungslampen Operating circuit for series connected bulbs, especially HID gas discharge lamps |
| 05/20/2009 | DE102007054805A1 Schaltungsanordnung zum Betreiben von Gasentladungslampen, bspw. HID-Lampen Circuit arrangement for operating gas discharge lamps, for example. HID lights |
| 05/20/2009 | DE102007054330A1 Vorschaltgerät mit DBD-Lampe Ballast with DBD lamp |
| 05/20/2009 | CN201243401Y Automatic light-modulating energy-saving lamp |
| 05/20/2009 | CN201243400Y Electronic trigger |
| 05/20/2009 | CN201243399Y Novel high frequency power source type trigger |
| 05/20/2009 | CN201243398Y Electric ballast of electrodeless energy-saving lamp |
| 05/20/2009 | CN201243397Y 安定器结构 Ballast structure |
| 05/20/2009 | CN201243004Y U-shaped electrodeless florescent lamp |
| 05/20/2009 | CN201243002Y Electrodeless energy saving lamp |
| 05/20/2009 | CN201242078Y Novel 35W metallic halogen lamp controller |
| 05/20/2009 | CN101438630A Lighting device and lighting method |
| 05/20/2009 | CN101438376A Cold cathode lamp, illuminating device for display comprising same, and display |
| 05/20/2009 | CN101437348A Method, system, control end and lamp holder end for regulating lamplight lightness |
| 05/20/2009 | CN101437347A Electric ballast |
| 05/20/2009 | CN101437346A Whole digital high-frequency non-electrode free lamp |
| 05/20/2009 | CN101437345A Low-voltage DC supply high-power short arc xenon lamp trigger |
| 05/20/2009 | CN101435950A Backlight unit and liquid crystal display device including the same |
| 05/20/2009 | CN100490602C Light regulating device |
| 05/20/2009 | CN100490601C Apparatus of driving light source for display device |
| 05/20/2009 | CN100490600C Special electronic ballast resistor in gas discharging light long-range controlling system |
| 05/20/2009 | CN100490599C Lamp and method of manufacturing the same |
| 05/20/2009 | CN100490295C Inverter and inverter driving method for enabling soft start of a load |
| 05/20/2009 | CN100490054C High pressure discharge lamp illumination device |
| 05/20/2009 | CN100489641C Light emission controlling equipment, camera equipment and light emission controlling method |
| 05/19/2009 | US7535443 Apparatus and method for producing variable intensity of light |
| 05/19/2009 | US7535183 Apparatus and method to provide a hybrid linear/switching current source, such as for high-efficiency, wide dimming range light emitting diode (LED) backlighting |
| 05/19/2009 | CA2363507C Lamp ignitor for starting conventional hid lamps and for starting and restarting hid lamps with hot restrike capability |
| 05/19/2009 | CA2281439C Improved starting circuit for low-pressure discharge lamp |
| 05/14/2009 | WO2009061564A1 Method and system for eliminating dc bias on electrolytic capacitors and shutdown detecting circuit for current fed ballast |
| 05/14/2009 | WO2009061173A1 Fluorescent lamp base cap and method of adjusting a base cap of a fluorescent lamp |
| 05/14/2009 | WO2009060250A1 System and device for controlling the turning on, turning off and consumption of power in lights |
| 05/14/2009 | WO2009059772A1 Operating lighting means |
| 05/14/2009 | WO2009059744A1 Ballast for a gas discharge lamp, for example an hid lamp |
| 05/14/2009 | WO2009059643A1 Electronic ballast and method for operating at least one first and second discharge lamp |
| 05/14/2009 | WO2009029334A3 Thermal foldback for linear fluorescent lamp ballasts |
| 05/14/2009 | WO2006033966A3 Energy savings device and method for a resistive and/or an inductive load and/or a capacitive load |
| 05/14/2009 | US20090123143 Image taking system, method of controlling the same and recording medium |
| 05/14/2009 | US20090122181 Photographic illumination device, image-capturing system, camera system and camera |
| 05/14/2009 | US20090122003 Driving device for backlight module and display device thereof |
| 05/14/2009 | US20090121657 Optical display systems and methods |
| 05/14/2009 | US20090121655 Terminal device and computer-readable storage medium |
| 05/14/2009 | US20090121653 Constant Current Circuit, Light Emitting Apparatus and Power Supply Apparatus Using That Constant Current Circuit |
| 05/14/2009 | US20090121650 Maximizing efficiency of battery-powered led drivers |
| 05/14/2009 | US20090121648 Lighting Device |
| 05/14/2009 | US20090121647 Multi-lamp backlight apparatus |
| 05/14/2009 | US20090121646 Electrodeless Discharge Lamp Illuminator |
| 05/14/2009 | US20090121645 Circuit Arrangement for Operating a Discharge Lamp Having Temperature Compensation |
| 05/14/2009 | US20090121644 Adaptive algorithm for camera flash led power control vs. battery impedance, state of discharge (sod), aging, temperature effects |
| 05/14/2009 | US20090121640 Discharge Lamp Ballast Apparatus |
| 05/14/2009 | US20090121639 Control device for discharge lamp |
| 05/14/2009 | DE102007053793A1 Emergency usable operating device i.e. electronic power supply unit, for emergency lighting system, has interface activated for supply of LED operated via direct current voltage supplied to supply input or by inputting command via data line |
| 05/13/2009 | EP2059098A1 Discharge lamp lighting apparatus |
| 05/13/2009 | EP2059097A1 Discharge lamp operation device and illumination device |
| 05/13/2009 | EP2059096A1 Piezoelectric transformer light adjusting noise reduction circuit |
| 05/13/2009 | CN201238414Y High strength gas discharge lamp electronic ballast |
| 05/13/2009 | CN201238413Y Illumination energy-saving apparatus for transformer primary contactless voltage regulation |
| 05/13/2009 | CN101433130A Backlight controller and display |
| 05/13/2009 | CN101432959A Inverter circuit |
| 05/13/2009 | CN101432843A Electrodeless discharge lamp device and lighting apparatus using same |
| 05/13/2009 | CN101431852A Light source real-time regulation system and method |
| 05/13/2009 | CN101431851A D/A signal superposition feedback circuit |
| 05/13/2009 | CN101431850A Simple Buck circuit used for ceramic metallic halogen lamp electric ballast |
| 05/13/2009 | CN100488334C Dimming circuit for electromagnetic induction lamp |
| 05/13/2009 | CN100488333C Electronic ballast with an overvoltage monitoring device |
| 05/13/2009 | CN100487309C Lamp base for a high-pressure discharge lamp and high-pressure discharge lamp |
| 05/12/2009 | US7532193 Lamp driving apparatus, backlight assembly and liquid crystal display device using the same |
| 05/12/2009 | US7531969 Arc lamp improvements |
| 05/12/2009 | US7531968 Inverter circuit, backlight and liquid crystal display |
| 05/12/2009 | US7531967 Flashlamp drive circuit |
| 05/12/2009 | US7530874 Method for manufacturing high pressure discharge lamp, high pressure discharge lamp manufactured using the method, lamp unit, and image display device |
| 05/12/2009 | CA2512707C Automatic closure of containers |
| 05/07/2009 | WO2009058483A1 Circuit with improved efficiency and crest factor for current fed bipolar junction transistor (bjt) based electronic ballast |
| 05/07/2009 | WO2009058457A1 Starting fluorescent lamps with a voltage fed inverter |
| 05/07/2009 | WO2009058202A1 Two-wire dimmer circuit for a screw-in compact fluorescent lamp |