| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 06/19/2008 | WO2008072158A2 Method for operating a gas discharge lamp and a gas discharge lamp driver system |
| 06/19/2008 | WO2008072154A2 Lightng device |
| 06/19/2008 | WO2008072146A2 Lamp driver for operating a gas discharge lamp |
| 06/19/2008 | WO2008071547A1 Starting apparatus for a high-pressure discharge lamp, and a high-pressure discharge lamp with a starting apparatus |
| 06/19/2008 | WO2008071544A1 Dusk switching interface for an electronic ballast |
| 06/19/2008 | WO2008071232A1 Circuit arrangement for operation of discharge lamps, and method for operation of discharge lamps |
| 06/19/2008 | WO2008047273A3 Device for driving a gas discharge lamp |
| 06/19/2008 | WO2008039288A3 Phase-control power controller for converting a line voltage to a rms load voltage |
| 06/19/2008 | WO2008033219A3 Ballast with arc protection circuit |
| 06/19/2008 | WO2007112529A3 High frequency pulsed supply for discharge lamps |
| 06/19/2008 | US20080144311 Lighting Unit |
| 06/19/2008 | US20080143705 Power control system for lcd monitor |
| 06/19/2008 | US20080143546 Locating system and method |
| 06/19/2008 | US20080143276 Transformer and multi-lamp driving circuit using the same |
| 06/19/2008 | US20080143274 Lamp |
| 06/19/2008 | US20080143273 System and method for maintaining and controlling a plurality of wireless light fixtures |
| 06/19/2008 | US20080143271 Lamp-Operating Unit and Low-Pressure Mercury Discharge Lamp |
| 06/19/2008 | US20080143268 Flash light emitting device |
| 06/19/2008 | DE102007057772A1 Switching arrangement for operating discharge lamp, has commuting device with inlet, coupled with direct current source, which is coupled with output that is coupled with discharge lamp, where polarity is coupled with direct current source |
| 06/19/2008 | DE102006059389A1 Halbnachtschaltungsschnittstelle für ein Elektronisches Vorschaltgerät Twilight switching interface for an electronic ballast |
| 06/19/2008 | DE102006058538A1 Zündvorrichtung für eine Hochdruckentladungslampe und Hochdruckentladungslampe mit Zündvorrichtung Ignition device for a high pressure discharge lamp and high-pressure discharge lamp ignition device with |
| 06/18/2008 | EP1933367A1 External electrode lamp, backlight unit, and liquid crystal display |
| 06/18/2008 | EP1932399A1 Method for setting an electronic ballast |
| 06/18/2008 | EP1932398A1 Dynamic coil heating |
| 06/18/2008 | EP1932397A2 Magnetic ballast fault isolation system and method |
| 06/18/2008 | EP1634485B1 Circuit and method for operation of a gas discharge lamp |
| 06/18/2008 | EP1504316B1 Pwm controller with automatic low battery power reduction circuit and lighting device incorporating the controller |
| 06/18/2008 | CN201075880Y Fluorescent lamp ballast and light fitting |
| 06/18/2008 | CN201075371Y Adjustable light fluorescent lamp cap |
| 06/18/2008 | CN101204121A Electronic reactive current oscillation-reducing ballast |
| 06/18/2008 | CN101204120A Method for driving an inverter of a gas discharge supply circuit |
| 06/18/2008 | CN101203084A Power supply circuit for LCD backlight and method thereof |
| 06/18/2008 | CN101203083A Electronic power saver for street lamp |
| 06/18/2008 | CN101202516A Mixed-mode DC/AC inverter |
| 06/18/2008 | CN101202457A Charging equipment |
| 06/18/2008 | CN101202198A New type non-filament florescent lamp working in brightness arc transition zone |
| 06/18/2008 | CN100396164C Digital high-strength gas discharging light adapter |
| 06/18/2008 | CN100395953C Work power supply circuit, and ultramicro power consumption stand-by power supply circuit |
| 06/17/2008 | US7388570 Digital controlled multi-light driving apparatus |
| 06/17/2008 | US7388334 High frequency electronic ballast with sine wave oscillator |
| 06/12/2008 | WO2008068667A2 Flashlight with high-pressure mercury discharge lamp |
| 06/12/2008 | WO2008068528A1 Lighting controller |
| 06/12/2008 | WO2008044192A3 Lamp driving circuit, and detection circuit for detecting an end-of-life condition |
| 06/12/2008 | US20080137248 Backlight unit having protection circuit using induced voltage detection |
| 06/12/2008 | US20080136356 Apparatus and method of using lighting systems to enhance brand recognition |
| 06/12/2008 | US20080136355 Backlight driving apparatus for non-emissive display device |
| 06/12/2008 | US20080136351 Back light unit and transformer |
| 06/12/2008 | US20080136350 Startup Flicker Suppression in a Dimmable Led Power Supply |
| 06/12/2008 | US20080136349 Discharge lamp apparatus |
| 06/12/2008 | US20080136344 Lamp driving device and display apparatus having the same |
| 06/12/2008 | US20080136343 Resonant DC/AC inverter |
| 06/12/2008 | US20080136342 Dc/dc converter control circuit |
| 06/12/2008 | US20080136341 Switching Power Supply and its Control Circuit, and Electronic Apparatus Employing Such Switching Power Supply |
| 06/12/2008 | US20080136289 Driving Circuit of Piezoelectric Transformer |
| 06/12/2008 | DE4420182B4 Stromversorgungsvorrichtung A power supply apparatus |
| 06/12/2008 | DE112006002059T5 Entladungslampenballastvorrichtung Discharge lamp ballast device |
| 06/11/2008 | EP1931181A1 Ballast for a discharge lamp |
| 06/11/2008 | EP1929845A2 Adaptive driver for dielectric barrier discharge (dbd) lamp |
| 06/11/2008 | EP1929365A1 Motion picture projector with electrodeless light source |
| 06/11/2008 | EP1574115B1 Lighting unit |
| 06/11/2008 | CN201072884Y Energy-saving warm-start floodlight |
| 06/11/2008 | CN201072742Y Energy-saving lamp |
| 06/11/2008 | CN101199239A Single-stage digital power converter for driving LEDs |
| 06/11/2008 | CN101198205A Electrical energy saving control system for sunlight lamp in offices |
| 06/11/2008 | CN101198204A Discharge lamp lighting apparatus and projector |
| 06/11/2008 | CN101198203A Full-electric voltage electric ballast |
| 06/11/2008 | CN100394689C Two-phase H-shaped bridge driver circuit and method |
| 06/11/2008 | CN100394347C Dimmer circuit with improved ripple control |
| 06/10/2008 | US7386421 Control system and lighting control system |
| 06/10/2008 | US7385831 Power supply device and vehicle lamp |
| 06/10/2008 | US7385361 Ballast for high-pressure discharge lamp and method of operating the same |
| 06/10/2008 | US7385360 High intensity discharge lamp control |
| 06/10/2008 | US7385358 Power supply circuit and transformer thereof |
| 06/10/2008 | US7385357 Inductively coupled ballast circuit |
| 06/10/2008 | US7385310 Electronic ballasts which can be connected in parallel on the basis of the type of lamp |
| 06/10/2008 | US7385278 Strobe light control circuit and IGBT device |
| 06/05/2008 | WO2008065842A1 Discharge lamp lighting device and projector |
| 06/05/2008 | WO2008065383A1 Inverters |
| 06/05/2008 | WO2008064715A1 Circuit arrangement and method for igniting a high-pressure discharge lamp |
| 06/05/2008 | WO2008064711A1 Sequential dimming of dielectrically impeded discharges |
| 06/05/2008 | WO2007087296B1 Solid-state, color-balanced backlight with wide illumination range |
| 06/05/2008 | US20080130288 Light Emitting Diode Replacement Lamp |
| 06/05/2008 | US20080130283 Lamp and lamp string |
| 06/05/2008 | US20080129529 User interface for electronic devices |
| 06/05/2008 | US20080129228 Starter for Low-Pressure Discharge Lamps |
| 06/05/2008 | US20080129225 Power Supply Device, Light Emitting Device Using Such Power Supply Device, And Electronic Device |
| 06/05/2008 | US20080129223 Back light apparatus and control method thereof |
| 06/05/2008 | US20080129222 Multi-lamp driving system and current balance circuit thereof |
| 06/05/2008 | US20080129220 System and Method for Driving LED |
| 06/05/2008 | US20080129218 Multiple Discharge Lamp Lighting Apparatus |
| 06/05/2008 | US20080129217 Power Supply Arrangement for Cold Cathode Fluorescent Lamps |
| 06/05/2008 | US20080129216 Anti-Striation Circuit For A Gas Discharge Lamp Ballast |
| 06/05/2008 | US20080129215 Inductively-Powered Power Transfer System With One Or More Independently Controllable Loads |
| 06/05/2008 | US20080129210 Methods and apparatus for thermal management of fluorescent lamps |
| 06/05/2008 | US20080129205 Circuit Arrangement and Method for the Operation of a High-Pressure Gas Discharge Lamp |
| 06/04/2008 | EP1927273A1 Method for operating a high-intensity discharge lamp, lamp driver and projection system |
| 06/04/2008 | CN201069766Y High-frequency non electrode low-voltage light source |
| 06/04/2008 | CN201069499Y Circuit board device for high-voltage power supply of cold cathode tube |
| 06/04/2008 | CN201069088Y Emergency illuminator |
| 06/04/2008 | CN101194539A A control device for controlling the output of one or more full-bridges |