| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 07/24/2008 | US20080174252 Ignition Device |
| 07/24/2008 | DE202008005976U1 Schaltung zum Ansteuern einer Entladungslampe Circuit for driving a discharge lamp |
| 07/24/2008 | DE202007004348U1 Digitale Dimmereinrichtung für Energiesparlampen Digital dimmer facility for energy saving lamps |
| 07/23/2008 | EP1947913A1 DC supplied operating module for illuminant |
| 07/23/2008 | EP1947678A1 Projector |
| 07/23/2008 | EP1946621A1 Lamp driving device and liquid crystal display device having the same |
| 07/23/2008 | EP1946620A2 Configurable ballast |
| 07/23/2008 | EP1946619A1 Ignition module for gas discharge lamp |
| 07/23/2008 | EP1946002A2 Lighting device |
| 07/23/2008 | CN201091080Y Light modulation electricity limiting control circuit |
| 07/23/2008 | CN201091079Y Light modulation electricity limiting control circuit |
| 07/23/2008 | CN201091049Y Remote control energy-saving lamp patchplug |
| 07/23/2008 | CN101228813A Circuit arrangement |
| 07/23/2008 | CN101227786A Voltage controlled dimming circuit of high voltage sodium lamp electronic ballast and operating method thereof |
| 07/23/2008 | CN101227785A Timing dimming circuit of high voltage sodium lamp electronic ballast and operating method thereof |
| 07/23/2008 | CN101227784A Constant-current control circuit of cold cathode light tube |
| 07/23/2008 | CN101227783A Industrial frequency gas discharge light source electronic circuit |
| 07/23/2008 | CN101227782A Backlight module |
| 07/23/2008 | CN101227781A System and method for current and/or temperature control of light fixture |
| 07/23/2008 | CN100405877C Discharge lamp starter |
| 07/23/2008 | CN100405507C Starter connecting wire of inductive fluorescent light circuit |
| 07/22/2008 | US7403401 DC-AC converter and method of supplying AC power |
| 07/22/2008 | US7401934 File system for a stage lighting array system |
| 07/17/2008 | WO2008084358A1 Inductively-powered gas discharge lamp circuit |
| 07/17/2008 | WO2008084349A1 Method and circuit arrangement for driving a discharge lamp |
| 07/17/2008 | WO2008083855A1 Method for determining a crest factor of a lamp current of an electric lamp |
| 07/17/2008 | WO2008083852A1 Circuit arrangement and method for operating a high-pressure discharge lamp |
| 07/17/2008 | WO2008083697A1 Performance-dependant fan control for enlarging the dimming region of hid lamps |
| 07/17/2008 | WO2008048978A3 Electrodeless plasma lamp systems and methods |
| 07/17/2008 | US20080170181 Royer Oscillator With Discharge Electronics |
| 07/17/2008 | US20080169772 Power-saving control circuit and method for OLED panel |
| 07/17/2008 | US20080169771 Driving circuit of driving light-emitting device |
| 07/17/2008 | US20080169769 Multi-lamps driving device and transformer thereof |
| 07/17/2008 | US20080169768 Electronic ballast with PCB edge mounted output transformer/inductor |
| 07/17/2008 | US20080169767 Driver circuit having power factor correction function implemented with sinusoidal waveform method |
| 07/17/2008 | DE202008006297U1 LED Anordnung für Lichtsignalgeber insbesondere für Bahnübergänge sowie Lichtsignalgeber insbesondere für Bahnübergänge mit einer solchen LED-Anordnung LED array for light signal transmitter especially for level crossings and light signal transmitter especially for level crossings with such an LED array |
| 07/17/2008 | DE202005021525U1 Lampe mit einer Kaltkathodenröhre Lamp with a cold cathode tube |
| 07/17/2008 | DE102007000571A1 Discharge lamp assembly for vehicle, has lamp body, which has heat dissipation structure, and controlling unit is encapsulated with resin for controlling operation of discharge lamp |
| 07/17/2008 | CA2674047A1 Inductively-powered gas discharge lamp circuit |
| 07/16/2008 | EP1945008A1 Light sensor for a pre-switching device for operating a gas discharge light |
| 07/16/2008 | EP1945005A2 Electronic flash, electronic camera and light emitting head |
| 07/16/2008 | EP1943886A1 Drive circuit for a switchable heating transformer of an electronic ballast and corresponding method |
| 07/16/2008 | EP1943885A1 Apparatus for operating at least one discharge lamp |
| 07/16/2008 | EP1943884A2 Method and circuit for driving gas discharge lamps using a single inverter |
| 07/16/2008 | EP1943883A1 An electronic control gear and method of its use |
| 07/16/2008 | EP1486102B1 Circuit arrangement |
| 07/16/2008 | EP1466508B1 Circuit for a gas-discharge lamp |
| 07/16/2008 | EP1293111B1 Starting aid for fluorescent lamps |
| 07/16/2008 | CN201087971Y Magnetic ballast |
| 07/16/2008 | CN101223832A Circuit arrangement and method for operating at least one electric lamp |
| 07/16/2008 | CN101223831A Self-excited inverter driving circuit |
| 07/16/2008 | CN101223830A Display device illumination lamp, display device illumination device, and display device |
| 07/16/2008 | CN101223829A High voltage discharge lamp operation method, operation device, light source device, and projection type image display device |
| 07/16/2008 | CN101222810A Directly-down type LCD backlight source control device |
| 07/16/2008 | CN101222809A Discharge lamp lighting circuit |
| 07/16/2008 | CN101222808A Piezoelectric ceramic electric ballast |
| 07/16/2008 | CN101220925A Numeral controlled lightning lamp |
| 07/16/2008 | CN100403860C Discharge lamp starter |
| 07/16/2008 | CN100403859C Method for running discharge lamp with at least one dielectric hindrance electrode |
| 07/16/2008 | CN100403203C Electronic ballast for cold cathode fluorescent lamp with dimming |
| 07/16/2008 | CN100403160C Projection display apparatus |
| 07/15/2008 | US7400356 Lighting control apparatus |
| 07/15/2008 | US7400315 Power control system for LCD monitor |
| 07/15/2008 | US7400310 Pulse signal drive circuit |
| 07/10/2008 | WO2008083392A2 Ac inverter capable of driving multiple lamps for lcd panel backlight |
| 07/10/2008 | WO2008082819A1 Single point sensing for end of lamp life, anti-arcing, and no-load protection for electronic ballast |
| 07/10/2008 | WO2008082805A2 Lamp transformer assembly |
| 07/10/2008 | WO2008082786A1 Switching control for inverter startup and shutdown |
| 07/10/2008 | WO2008081633A1 Discharge lamp lighting device |
| 07/10/2008 | WO2008039298A3 Electronic ballast with improved inverter startup circuit |
| 07/10/2008 | US20080164829 Power supply device for luminous element and method thereof |
| 07/10/2008 | US20080164827 Methods and apparatus for simulating resistive loads |
| 07/10/2008 | US20080164826 Methods and apparatus for simulating resistive loads |
| 07/10/2008 | US20080164823 Method and light emitting diode backlight system with adjustable color gamut |
| 07/10/2008 | DE102007062767A1 Entladungslampen-Beleuchtungsschaltung A discharge lamp lighting circuit |
| 07/09/2008 | EP1941535A1 Compact fluorescent lamp |
| 07/09/2008 | CN201083350Y Variable color dynamic advertisement illuminating lamp |
| 07/09/2008 | CN101218858A Electrodeless discharge lamp illuminator |
| 07/09/2008 | CN101218857A Parasitic capacitance compensation system and method |
| 07/09/2008 | CN101217848A A dual-frequency mixed spectrum type and pulse width regulation type dimming electronic ballast |
| 07/09/2008 | CN101217847A A control method of non-flash starting of high tension gas-discharge lamp |
| 07/09/2008 | CN101217846A Low pressure spectrum mercury lamp starting igniting power source for wavelength scaling |
| 07/09/2008 | CN101217845A An intelligent controller on the power of outdoor illuminating xenon lamp |
| 07/09/2008 | CN101217844A An accurate simulation experiment circuit of high tension gas-discharge lamp rectification effects |
| 07/09/2008 | CN101217256A Power converter control method |
| 07/09/2008 | CN101217098A A light source of UHF electrodeless discharge lamp |
| 07/09/2008 | CN100401858C Fluorescent lamp lighting device |
| 07/09/2008 | CN100401452C Short arc high intensity mercury discharge lamp |
| 07/08/2008 | US7397204 Starting circuit for electric discharge lamp |
| 07/08/2008 | US7397198 Fluorescent lamp driver and liquid crystal display apparatus |
| 07/08/2008 | US7397196 Circuit arrangement for preventing high peak currents |
| 07/08/2008 | US7397173 Lighting apparatus using microwave energy |
| 07/03/2008 | WO2008080016A2 Multiple gas discharge lamp interleave trigger circuit |
| 07/03/2008 | WO2008079793A2 Systems and methods for led based lighting |
| 07/03/2008 | WO2008079547A1 Lamp igniter module and transformer carrier |
| 07/03/2008 | WO2008078734A1 Electrodeless discharge lamp and illumination device equipped with same |
| 07/03/2008 | WO2008078484A1 Discharge lamp lighting device, and image display device |
| 07/03/2008 | WO2008078473A1 Alternating current power supply device and integrated circuit for alternating current power supply device |
| 07/03/2008 | WO2008078258A1 Method and device for driving a gas discharge lamp |
| 07/03/2008 | WO2008051877A3 Electrodeless lamps and methods |