Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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09/14/2005 | CN2726272Y Infrared remote-light modulating switch |
09/14/2005 | CN2726271Y Illuminating apparatus energy-saving light-modulating communication controller for gas discharge lamp |
09/14/2005 | CN1669366A Driver for a gas discharge lamp |
09/14/2005 | CN1669365A Method and device for identifying the type of discharge lamp |
09/14/2005 | CN1669364A Ballast circuit for operating a gas discharge lamp |
09/14/2005 | CN1669207A DC/AC converter and its controller IC |
09/14/2005 | CN1669206A DC-AC converter parallel operation system and controller IC therefor |
09/14/2005 | CN1668161A Double high-voltage driving circuit device for lighting |
09/14/2005 | CN1668160A Discharge lamp lighting device |
09/14/2005 | CN1667458A Liquid crystal display system with lamp feedback |
09/13/2005 | US6943506 Inverter apparatus and liquid crystal display including inverter apparatus |
09/13/2005 | US6943504 Open loop magnetic boost LED driver system and method |
09/13/2005 | US6943503 Lighting method and apparatus for lighting a high pressure discharge lamp and high pressure discharge lamp apparatus with reduced load |
09/13/2005 | US6943502 Electronic ballast for a discharge lamp |
09/13/2005 | US6943498 High intensity discharge lamp and high intensity discharge lamp system using the same |
09/09/2005 | WO2005084086A1 Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life |
09/09/2005 | WO2005084085A1 Evg, or electronic intermediate unit for illuminating elements provided with a programmable or configurable control unit |
09/09/2005 | WO2005084084A1 Control circuit for converters |
09/09/2005 | WO2005083872A1 Current overload and voltage detection in a central point |
09/09/2005 | WO2005083323A1 Lamp-operating unit and low-pressure mercury discharge lamp |
09/09/2005 | WO2004070762A3 Microwave energized plasma lamp with dielectric waveguide |
09/09/2005 | EP1588394A3 Microwave energized plasma lamp with dielectric waveguide |
09/09/2005 | CA2556614A1 Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life |
09/09/2005 | CA2556182A1 Drive circuit for converters |
09/08/2005 | US20050194914 Inductive coil assembly |
09/08/2005 | DE102005006828A1 Entladungslampenvorschaltgerät The discharge lamp ballast |
09/08/2005 | DE102005005310A1 Entladungslampen - Zündvorrichtung Discharge lamps - igniter |
09/08/2005 | DE102004008908A1 Ansteuerschaltung für Wandler A drive circuit for converter |
09/08/2005 | DE102004008806A1 Verfahren zum Betreiben von Lampen an einem Elektronischen Vorschaltgerät und Elektronisches Vorschaltgerät Method for operating lamps to an electronic control gear and electronic ballast |
09/07/2005 | CN2724368Y Mounting suspension sheet for electronic controller for gas discharge lamp |
09/07/2005 | CN2724359Y Start circuit for high voltage xenon gas discharging lamp |
09/07/2005 | CN2724358Y Pulse and constant current two purpose power for driving continuous krypton lamp |
09/07/2005 | CN2724354Y Single lamp monitoring and power saving device for road lamp |
09/07/2005 | CN2724162Y Fire-proof ballast |
09/07/2005 | CN1665369A 电子安定器及其控制方法 Electronic Ballasts and control method |
09/07/2005 | CN1665368A Method for resonance running of high voltage lamp in longitudinal mode, system and EVG |
09/07/2005 | CN1665367A Lighting device for discharge lamp |
09/07/2005 | CN1218612C Circuit arrangement |
09/07/2005 | CN1218360C High-pressure discharge lamp |
09/06/2005 | US6941070 Flash device and lens-fitted photo film unit with built-in flash device |
09/06/2005 | US6940233 Method and system of driving a CCFL |
09/06/2005 | US6940232 Electrodeless fluorescent lamp |
09/06/2005 | US6940230 Modular lamp controller |
09/01/2005 | WO2005081591A1 Electronic ballast with frequency detection |
09/01/2005 | WO2005081590A1 Multiple-input electronic ballast with processor |
09/01/2005 | WO2005081589A1 Discharge lamp operation device and projector |
09/01/2005 | WO2005081588A1 Electronic controller for high power gas discharge lamp |
09/01/2005 | US20050190586 Power supply circuits and methods for supplying stable power to control circuitry in an electronic ballast |
09/01/2005 | US20050190171 Display device and device of driving light source therefor |
09/01/2005 | US20050189885 Discharge lamp lighting device |
09/01/2005 | US20050189884 Electrodeless fluorescent lamp |
09/01/2005 | US20050189882 Inductive coil assembly |
09/01/2005 | DE102004039226A1 Entladungsleuchtenansteuerschaltung Entladungsleuchtenansteuerschaltung |
09/01/2005 | CA2556302A1 Multiple-input electronic ballast with processor |
09/01/2005 | CA2523004A1 Electronic controller for high-power gas discharging lamp |
08/31/2005 | EP1568257A1 Symmetric cancelling anti-striation circuit |
08/31/2005 | EP1095540B1 Ignitor for high intensity discharge lamps |
08/31/2005 | CN2722560Y AC power supply protector of electronic light regulator |
08/31/2005 | CN2722559Y Electric power saver of illuminating system |
08/31/2005 | CN2722558Y Energy saver of halogenated lamp |
08/31/2005 | CN2722557Y 多功能智能点灯单元 Multifunction smart lighting unit |
08/31/2005 | CN2722406Y Effective ballast of fluorescent lamp |
08/31/2005 | CN1663325A Operation of a discharge lamp |
08/31/2005 | CN1663324A Electronic dimming ballast for compact fluorescent lamps |
08/31/2005 | CN1663103A DC/AC converter and its controller IC |
08/31/2005 | CN1662453A Radio frequency identification system for a fluid treatment system |
08/31/2005 | CN1661445A Planar light source device, method of driving the same and display apparatus having the same |
08/30/2005 | US6936979 Frequency-modulated dimming control system of discharge lamp |
08/30/2005 | US6936977 Ballast circuit having enhanced output isolation transformer circuit with high power factor |
08/30/2005 | US6936976 Circuit arrangement and method for starting and operating gas discharge lamps with heatable electrode filaments |
08/30/2005 | US6936975 Power supply for an LCD panel |
08/30/2005 | US6936974 Half-bridge inverter for asymmetrical loads |
08/30/2005 | US6936973 Self-oscillating constant-current gas discharge device lamp driver and method |
08/30/2005 | US6936970 Method and apparatus for a unidirectional switching, current limited cutoff circuit for an electronic ballast |
08/30/2005 | CA2180310C Supply circuit for discharge lamps with means for preheating the electrodes |
08/25/2005 | US20050184770 Internal circuit protection device |
08/25/2005 | US20050184685 Lamp ballast for circuit driving multiple parallel lamps |
08/25/2005 | US20050184684 Discharge lamp driving apparatus |
08/25/2005 | US20050184682 Ballast dimming control IC |
08/25/2005 | US20050184681 Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life |
08/25/2005 | US20050184680 Methods and apparatus for constructing a power supply capable drawing power from fluorescent lamps |
08/25/2005 | US20050184679 CFL ballast with passive valley fill and crest factor control |
08/25/2005 | US20050184678 Starting device for a high-pressure discharge lamp, and an illuminating system |
08/25/2005 | DE10392904T5 Adaptiver Ballastregel-IC Adaptive ballast rule-IC |
08/25/2005 | DE102004007006A1 Temperature-controlled electronic circuit for starting and running fluorescent lamps, uses temperature sensor in circuit reducing power at higher temperatures |
08/25/2005 | DE102004006123A1 Elektronisches Vorschaltgerät mit Zeitgeberkorrektur Electronic ballast with Timers |
08/24/2005 | EP1566991A1 Discharge lamp driving apparatus |
08/24/2005 | EP1566989A1 Method and apparatus for driving lamps using an electronic ballast |
08/24/2005 | EP1566080A1 Circuit arrangement for operating discharge lamps |
08/24/2005 | EP1297728B1 Circuit device |
08/24/2005 | EP1269800B1 Apparatus for driving a high intensity discharge lamp |
08/24/2005 | CN2720761Y Electronic fluorescent lamp |
08/24/2005 | CN2720758Y Lamp light-regulation switch |
08/24/2005 | CN1659932A Circuit having a second AC/DC converter |
08/24/2005 | CN1659492A PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller |
08/24/2005 | CN1658732A Discharge lamp ballast circuit |
08/24/2005 | CN1658731A Discharge lamp driving apparatus |
08/24/2005 | CN1658059A Device and method for regulating brightness of flash lamp of camera of mobile terminal |
08/23/2005 | US6934168 Single stage PFC and power converter unit |
08/23/2005 | US6933821 Leakage transformer |