| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 03/30/2006 | US20060066262 Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit |
| 03/30/2006 | US20060066261 High pressure discharge lamp control system and method |
| 03/30/2006 | US20060066260 Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit |
| 03/30/2006 | US20060066259 Self-contained, self-snubbed, HID dimming module that exhibits non-zero crossing detection switching |
| 03/30/2006 | US20060066258 Equipment and methods for emergency lighting that provides brownout detection and protection |
| 03/30/2006 | US20060066257 Method of determining working voltage of inverter |
| 03/30/2006 | US20060066256 Method for managing lamp brightness |
| 03/30/2006 | DE20280430U1 Entladungsstarter für eine Leuchtstofflampe sowie kompakte Leuchtstofflampe und entsprechende Leuchtstofflampen-Befestigungen für eine solche Discharge starter for fluorescent lamp, compact fluorescent lamp and corresponding fluorescent fixtures for such |
| 03/30/2006 | DE102005043365A1 Beleuchtungsversorgungseinrichtung für Entladungslampen Lighting supply device for discharge lamps |
| 03/30/2006 | DE102004047372A1 Wandlerschaltung mit Klasse-E-Konvertermodulen Converter circuit with class-E converter modules |
| 03/30/2006 | DE102004045514A1 Schaltungsanordnung zum Betrieb mindestens einer Lichtquelle Circuit arrangement for operating at least one light source |
| 03/29/2006 | EP1641326A1 Arc-discharge detection in a high-pressure discharge lamp |
| 03/29/2006 | EP1419677B1 Method and ballast for operating a hid lamp using duty cycle modulation |
| 03/29/2006 | EP1310141B1 Multiple lamp lcd backlight driver with coupled magnetic components |
| 03/29/2006 | EP1305983B1 A system and method for determining the frequency of longitudinal mode required for color mixing in a discharge lamp |
| 03/29/2006 | CN2768373Y Electronic ballast for high-power and high-intensity gas discharge lamp (HID) |
| 03/29/2006 | CN2768372Y Small bulb circuit board |
| 03/29/2006 | CN2768371Y Device for setting electricity-saving machine in daylight lamp periphery |
| 03/29/2006 | CN2768197Y Enveloping combined type magnetic generator and its magnetic lamp |
| 03/29/2006 | CN1753596A High voltage sodium lamp electron ballast for photovoltaic street lamp lighting system |
| 03/29/2006 | CN1753595A Circuit arrangement for operating at least one light source |
| 03/29/2006 | CN1753594A Electron ballast passive power factor correcting circuit |
| 03/29/2006 | CN1753149A Middle output electrodeless lighting system |
| 03/29/2006 | CN1248548C LED array employing specifiable lattice relationship |
| 03/29/2006 | CN1248403C Voltage converter without electric spark |
| 03/29/2006 | CN1248286C 直流荧光灯 DC Fluorescent |
| 03/29/2006 | CA2521553A1 Converter circuit having class e converter modules |
| 03/28/2006 | US7019471 Ballast control IC with minimal internal and external components |
| 03/28/2006 | US7019470 Discharge lamp lighting device |
| 03/28/2006 | US7019468 Electronic ballast with ignition and operation control |
| 03/28/2006 | US7019467 Thermally-protected ballast for high-intensity-discharge lamps |
| 03/28/2006 | US7019466 Circuit arrangement for driving a high-pressure discharge lamp |
| 03/28/2006 | US7019465 Discharge lamp illumination circuit and discharge lamp illumination method |
| 03/28/2006 | US7019464 Dimmable flex arm lamp |
| 03/28/2006 | US7019276 Distributed dimmable lighting control system and method |
| 03/23/2006 | WO2006030569A1 Discharge lamp lighting device |
| 03/23/2006 | WO2006030432A1 An illumination unit employing a led or a fluorescent lamp for normal and emergency operation |
| 03/23/2006 | WO2005064228A3 Lighting device of discharge lamp, illumination apparatus and illumination system |
| 03/23/2006 | US20060061302 Light source |
| 03/23/2006 | US20060061299 Discharge lamp lighting apparatus |
| 03/23/2006 | US20060061298 Push-pull inverter circuit |
| 03/23/2006 | US20060061297 Circuit arrangement for operating at least one light source |
| 03/23/2006 | US20060061294 LED wiring method without the use of a rectifier |
| 03/23/2006 | DE102005042507A1 Schaltelement-Treiberschaltung und Entladungslampenbeleuchtungseinrichtung Switching element driving circuit and discharge lamp lighting device |
| 03/23/2006 | DE102005041836A1 Spitzendetektionsschaltung und Entladungslampe-Erregungsvorrichtung Peak detection circuit and discharge lamp lighting device |
| 03/23/2006 | DE102004045834A1 Zündgerät Ignitor |
| 03/22/2006 | EP1638375A1 Module for parallel lighting and balancer coil for discharge lamp |
| 03/22/2006 | EP1638374A2 Circuit arrangement for operating at least a light source with improved crest factor |
| 03/22/2006 | EP1637015A1 Light output modulation for data transmission |
| 03/22/2006 | EP1637014A2 Ballast control ic with multi-function feedback sense |
| 03/22/2006 | EP1354500B1 Device and method for the multi-phase operation of a gas discharge or metal vapour lamp |
| 03/22/2006 | CN2766486Y Tri-phosphor cold light lamp light modulation control device |
| 03/22/2006 | CN2766485Y Circuit board structure of display |
| 03/22/2006 | CN1751542A Apparatus and method of driving light source for display device |
| 03/22/2006 | CN1750733A Back light regulating method for plane display |
| 03/22/2006 | CN1750732A Back light resource changping method for plane display |
| 03/22/2006 | CN1750731A Electronic ballast having a pump circuit for a discharge lamp having preheatable electrodes |
| 03/22/2006 | CN1750730A Soft starting electronic ballast |
| 03/22/2006 | CN1750729A Mixed ballast control circuit in simplified package |
| 03/22/2006 | CN1750728A Device for operating high brightness discharge lamp |
| 03/22/2006 | CN1750725A Push-pull type reverse current device circuit |
| 03/22/2006 | CN1246867C Method foe reducing power consumption of inductance ballast in circuit |
| 03/21/2006 | US7016208 Frequency feedforward for constant light output in backlight inverters |
| 03/21/2006 | US7015784 Wound-rotor transformer and power source device using said wound-rotor transformer |
| 03/21/2006 | US7015660 Circuit for driving cold cathode tubes |
| 03/21/2006 | US7015659 Apparatus for driving a light tube and method therefor |
| 03/21/2006 | US7015658 Driving circuit configured in a three-phase inverter and driving method thereof |
| 03/21/2006 | US7015657 Ballast for high intensity discharging lamp |
| 03/21/2006 | US7015656 Dimming circuit for a gas-discharge lamp |
| 03/21/2006 | US7015655 Electronic ballast for a high intensity discharge lamp |
| 03/21/2006 | US7015653 Light modulating apparatus for excimer discharge lamp |
| 03/21/2006 | US7015652 Electronic ballast having end of lamp life, overheating, and shut down protections, and reignition and multiple striking capabilities |
| 03/21/2006 | US7015651 Light source device having a discharge lamp with high radiance and a current feed controller |
| 03/20/2006 | CA2520234A1 Circuit arrangement for operating at least one light source |
| 03/16/2006 | WO2006028781A1 Improved apparatus and method for control of high intensity discharge lighting |
| 03/16/2006 | US20060055346 Lighting apparatus for discharge lamp |
| 03/16/2006 | US20060055345 Lighting of discharge lamp by frequency control |
| 03/16/2006 | US20060055343 Spark management method and device |
| 03/16/2006 | US20060055342 Rare gas fluorescent lamp lighting apparatus |
| 03/16/2006 | US20060055341 Discharge lamp lighting device, illumination device, and projector |
| 03/16/2006 | US20060055340 Transformer and starting device having a transformer, and high pressure discharge lamp having a transformer |
| 03/16/2006 | US20060055339 Electronic ballast having a pump circuit for a discharge lamp having preheatable electrodes |
| 03/16/2006 | US20060055337 Lamp driving device |
| 03/16/2006 | DE102005037004A1 Beleuchtungseinrichtung für Beleuchtungslichtquelle Illumination means for illuminating light source |
| 03/16/2006 | DE102005036751A1 Leuchtsteuervorrichtung für eine Entladungslampe Lighting control device for a discharge lamp |
| 03/16/2006 | DE102004044368A1 Transformator und Zündvorrichtung mit einem Transformator sowie Hochdruckentladungslampe mit einem Transformator Transformer and igniter with a transformer and high-pressure discharge lamp with a transformer |
| 03/16/2006 | DE102004044180A1 Elektronisches Vorschaltgerät mit Pumpschaltung für Entladungslampe mit vorheizbaren Elektroden Electronic ballast with pump circuit for discharge lamp with electrodes preheatable |
| 03/16/2006 | DE102004037390A1 Ansteuerschaltung für eine Leuchtstofflampe mit einer Diagnoseschaltung und Verfahren zur Diagnose einer Leuchtstofflampe A drive circuit for a fluorescent lamp with a diagnostic circuit and method for the diagnosis of a fluorescent lamp |
| 03/16/2006 | DE102004037389A1 Fluorescent lamp igniting method, involves lowering operational frequency to pre-given frequency stage, if igniting signal does not exceed preset limiting value after expiry of delay time according to previous change of frequency |
| 03/16/2006 | DE102004037388A1 Verfahren zur Detektion eines Nicht-Nullspannungsschaltbetriebs eines Vorschaltgeräts für Leuchtstofflampen und Vorschaltgerät A method for detecting a non-zero voltage switching operation of a ballast for fluorescent lamps and control gear |
| 03/16/2006 | DE102004035678A1 Notlichtvorschaltelement mit digital adressierbarer Steuerschnittstelle Notlichtvorschaltelement with digitally addressable control interface |
| 03/15/2006 | EP1635622A1 Electric discharge lamp operating device |
| 03/15/2006 | EP1635621A2 Rare gas fluorescent lamp lighting apparatus |
| 03/15/2006 | EP1635620A1 Electronic ballast with charge pump for discharge lamps with pre-heated electrodes |
| 03/15/2006 | EP1635619A2 Transformer, ignitor with such a transformer, and high-pressure discharge lamp with such a transformer |
| 03/15/2006 | EP1634485A2 Circuit and method for operation of a gas discharge lamp |
| 03/15/2006 | EP1634484A2 Control for an excimer emitter |
| 03/15/2006 | CN2765432Y Electronic ballast for fluorescent lamp using controlled silicon dimmer for light control |
| 03/15/2006 | CN1748447A Electronic connection device |
| 03/15/2006 | CN1748446A Dimmable ballast for an electrodeless discharge lamp |