Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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07/11/2012 | CN102573252A HID (High Intensity Discharge) electronic ballast |
07/11/2012 | CN102573251A Efficient preheating circuit of fluorescent lamp |
07/11/2012 | CN102573250A Circuit and method for driving an exciter lamp |
07/11/2012 | CN102573249A Voltage-controlled frequency scanning oscillator |
07/11/2012 | CN102573248A Ballast |
07/11/2012 | CN102573247A Low-temperature starting circuit of electrodeless lamp ballast and use method |
07/11/2012 | CN102573246A Non-radioactive material starter |
07/11/2012 | CN102573245A Low-temperature start-up device and lamp |
07/11/2012 | CN102573199A Lighting control system and method thereof |
07/11/2012 | CN102570866A Rectifier controlling method |
07/11/2012 | CN102569007A Mirror image magnetic circuit inductive coupling electrodeless lamp and electromagnetic parameter design method thereof |
07/11/2012 | CN102566223A 投影仪 Projector |
07/11/2012 | CN102566216A 投影仪 Projector |
07/11/2012 | CN102563576A Electronic ballast |
07/11/2012 | CN102562751A Buckle, connecting structure and ballast |
07/10/2012 | US8219933 File system for a stage lighting array system |
07/10/2012 | US8217594 Light emitting device with variable volume |
07/10/2012 | US8217590 Window-mounted solar powered illumination device |
07/10/2012 | US8217588 Adaptive dimmable LED lamp |
07/10/2012 | US8217586 Apparatus and method for dimming a backlight with pseudo-random phase delay |
07/10/2012 | US8217585 Balancer board for backlight device |
07/10/2012 | US8217584 Driving circuit for driving light emitting diodes and dimmer |
07/10/2012 | US8217581 Induction lamp with brightness adjustment capability |
07/10/2012 | US8217578 LED lighting arrangement |
07/05/2012 | WO2012090112A1 Circuit arrangement |
07/05/2012 | WO2012089468A1 Electrical power control of a field emission lighting system |
07/05/2012 | WO2012024383A3 Method of controlling an operating frequency of an inverter circuit in an electronic dimming ballast |
07/05/2012 | US20120172950 Apparatus and method for generating constant current pulse wave, medical operation method using same, and light generating apparatus |
07/05/2012 | US20120169247 Method of driving discharge lamp, driving device, and projector |
07/05/2012 | US20120169233 Driving apparatus for fluorescent tube and method thereof and illumination apparatus using the same |
07/05/2012 | CA2822433A1 Hollow cathode lamp elapsed time recording system |
07/04/2012 | EP2472553A1 Electrical power control of a field emission lighting system |
07/04/2012 | EP2471347A1 Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof |
07/04/2012 | EP1088335B1 Discharge lamp with base |
07/04/2012 | CN202310260U 一种高效节能分时调光照明的电子安定器 An energy efficient electronic ballast lighting timeshare transfer of |
07/04/2012 | CN202310259U 一种演唱会荧光灯控制装置 One kind of fluorescent concert control device |
07/04/2012 | CN202310258U 一种电源控制装置 A power control apparatus |
07/04/2012 | CN202310257U 可点亮断丝日光灯的分体式电子镇流器 Fluorescent lights broken wires can be split electronic ballast |
07/04/2012 | CN202310256U 13w-28w电子节能灯半桥逆变双基启动电路 13w-28w energy saving lamp half-bridge inverter bistatic start circuit |
07/04/2012 | CN202310255U 一种照明用的三相多重逆变器 A lighting with multi-phase inverter |
07/04/2012 | CN202310254U 9w以下电子节能灯半桥逆变单基启动电路 9w following electronic energy-saving lamp half-bridge inverter mono-start circuit |
07/04/2012 | CN202310253U 13w-45w电子节能灯半桥逆变单基启动电路 13w-45w energy saving lamp half-bridge inverter mono-start circuit |
07/04/2012 | CN202310252U 9w-35w电子节能灯半桥逆变单基启动电路 9w-35w energy saving lamp half-bridge inverter mono-start circuit |
07/04/2012 | CN202310251U 灯镇流器的电路板 The lamp ballast circuit board |
07/04/2012 | CN202310250U 多用扣接式电子镇流器 Multi-Snap-on electronic ballast |
07/04/2012 | CN202310249U High power factor energy saving lamp |
07/04/2012 | CN202310248U 一种24v氙气大灯安定器 One kind of 24v ballast xenon headlights |
07/04/2012 | CN202310247U 日光灯启辉器 Fluorescent starter |
07/04/2012 | CN202309199U 多功能的应急照明电源 Multifunctional emergency lighting power supply |
07/04/2012 | CN202307796U Energy-saving lamp |
07/04/2012 | CN102548799A Activation module for a gas discharge lamp |
07/04/2012 | CN102548171A Control circuit of emergency lamp |
07/04/2012 | CN102548170A Variable-inductor electronic ballasts |
07/04/2012 | CN102548169A Passive anti-arcing protection device for fluorescent lamp ballast |
07/04/2012 | CN102548168A Detection and control method for frequency-sweeping igniting and achieving circuit |
07/04/2012 | CN102548167A Start-up circuit of metal halide lamp |
07/04/2012 | CN102548166A Discharge lamp lighting apparatus and manufacturing method thereof |
07/04/2012 | CN102548165A Buckle structure and ballast box |
07/04/2012 | CN102548163A Combined lamp controlling system |
07/04/2012 | CN102548162A Sound-control lamp |
07/04/2012 | CN102543656A 等离子体照明系统 Plasma Lighting System |
07/04/2012 | CN102540666A 投影仪 Projector |
07/04/2012 | CN102540642A Digital flash lamp and method for controlling flashing of digital flash lamp |
07/04/2012 | CN102537757A Festival streetlamp design method |
07/04/2012 | CN102537695A Cold cathode ceiling lamp |
07/04/2012 | CN102103978B Mercury-free fluorescent lamp tube and driving method thereof |
07/04/2012 | CN101707844B Power source special for 2.5V/A deuterium lamp |
07/04/2012 | CN101610629B Electronic ballast for lamp |
07/04/2012 | CN101489343B Multi-inductor combined electrical power EMI filter |
07/04/2012 | CN101466191B High-frequency electronic frequency changer of high-power parallel connection selfexciting electrodeless florescent lamp |
07/04/2012 | CN101444147B Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp |
07/04/2012 | CN101420812B Safe ballast device |
07/04/2012 | CN101384127B Energy-saving light modulating device with unit power factor |
07/04/2012 | CN101352107B Output short circuit protection for electronic ballasts |
07/04/2012 | CN101341801B Discharge lamp lighting device and image display device |
07/04/2012 | CN101330792B Circuit and method for regulating light |
07/04/2012 | CN101300904B Method and device for illuminating high pressure fluorescent mercury lamp, lamp system and projection type display device |
07/04/2012 | CN101164383B Parameterizable digital pfc |
07/04/2012 | CN101094551B Method of detecting BJT cut-off signals in electronic ballast and electronic ballast |
07/03/2012 | US8213194 Control device for a flyback converter |
07/03/2012 | US8212498 Fluorescent dimming ballast |
07/03/2012 | US8212497 Ballast with lamp-diagnostic filament heating, and method therefor |
07/03/2012 | US8212493 Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter |
07/03/2012 | US8212492 Electronic ballast with high power factor |
07/03/2012 | US8212491 Switching power converter control with triac-based leading edge dimmer compatibility |
07/03/2012 | CA2560084C Method for establishing a light beam with substantially constant luminous intensity |
06/28/2012 | WO2012087288A2 Metal salt compositions |
06/28/2012 | WO2012083328A1 Operating device and method for operating gas discharge lamps |
06/28/2012 | WO2012083324A1 Ignition control and ignition detection of gas discharge lamps |
06/28/2012 | WO2011134796A3 Method and control circuit for starting a gas-discharge lamp |
06/28/2012 | US20120161662 Digital pwm generator and apparatus for driving light emitting device |
06/28/2012 | US20120161659 Activation module for a gas discharge lamp |
06/28/2012 | US20120161657 Passive Anti-Arcing Protection Device for Fluorescent Lamp Ballast |
06/28/2012 | DE102011089113A1 Gas discharge lamp operating method, involves wobbling of frequency or switch-on time or duty cycle of pulsing of heating circuit, where frequency or time or duty cycle are increased and reduced under constant maintenance of value |
06/28/2012 | DE102010064075A1 Method for operating high pressure discharge lamp, involves cooling lamp to specific limit over specific period such that no condensed metallic filling is formed on electrode tips, before switching off lamp in saving mode |
06/28/2012 | DE102010064069A1 Elektronisches Vorschaltgerät zum Betreiben einer Hybridleuchte Electronic ballast for operating a hybrid luminaire |
06/28/2012 | DE102010064032A1 Geregelte Wendelheizung für Gasentladungslampen Controlled heating coil for gas discharge lamps |
06/28/2012 | DE102010064012A1 Betriebsgerät für Leuchtmittel Operating device for lamps |
06/28/2012 | DE102010063989A1 Verfahren und Vorrichtung zum Betreiben einer Gasentladungslampe Method and device for operating a gas discharge lamp |
06/28/2012 | DE102010063933A1 Betriebsgerät und Verfahren zum Betrieb von Gasentladungslampen Control unit and method for the operation of gas discharge lamps, |