Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
03/2012
03/27/2012CA2429789C Dimming control system for electronic ballasts
03/22/2012WO2012034931A1 Method for operating a gas discharge lamp of a motor vehicle headlamp
03/22/2012DE102011081849A1 Vorrichtung zum Steuern von einer Entladungslampe zugeführter Leistung in Antwort auf einen von ausserhalb der Vorrichtung zugeführten Befehl An apparatus for controlling a discharge lamp power supplied in response to a supplied from outside the device command
03/22/2012DE102010045848A1 Kraftfahrzeugscheinwerfer mit einer Gasentladungslampe Motor vehicle headlamp with a gas discharge lamp
03/22/2012DE102010045584A1 Verfahren zum Betreiben einer Gasentladungslampe eines Kraftfahrzeugscheinwerfers A method of operating a gas discharge lamp of a motor vehicle headlight
03/22/2012DE102010040929A1 Method for differentiating high-intensity discharge-lamp that is operable at multi-lamp operation apparatus, involves determining operational parameters with respective lamp powers after reaching respective operating points
03/22/2012DE102010036444B4 Verfahren und Vorrichtung zum Dimmen eines Leuchtmittels mithilfe eines Mikrocontrollers Method and apparatus for dimming of a lamp by using a microcontroller
03/21/2012EP2311300B1 High-voltage pulse generator and high-pressure discharge lamp having a high-voltage pulse generator
03/21/2012EP2092642B8 High-voltage pulse generator and high-pressure discharge lamp comprising such a generator
03/21/2012EP2005803B8 Reduced power loss in electronic ballasts
03/21/2012CN202172524U R-C combined frequency conversion light modulation ballast circuit based on UBA2211
03/21/2012CN202172523U Glow starter aging device
03/21/2012CN202172522U Intelligent electronic power saving ballast of high power high voltage sodium lamp
03/21/2012CN1867221B Electronic ballast and correspondent adjustment method
03/21/2012CN1438830B Operation circuit of discharge lamp with frequency-variable lighting function
03/21/2012CN102387650A Energy-saving lamp
03/21/2012CN102387649A Discharge lamp lighting apparatus
03/21/2012CN102387648A Barretter control circuit for gas discharge lamp tube and control method of barretter circuit
03/21/2012CN102387647A Method utilizing sweep frequency for starting cold-cathode fluorescence lamp
03/21/2012CN102387646A High-frequency half-bridge boosting output electronic ballast with digital control dimming high-intensity discharge (HID)
03/21/2012CN102387645A Self-ballasted flat fluorescent lamp
03/21/2012CN102387644A Electric waterfall lamp
03/21/2012CN102386049A Closed magnetic-circuit high-efficient spiral magnetic energy lamp
03/21/2012CN101861040B Emergency electronic ballast
03/21/2012CN101521977B Voltage testing circuit and CCFL converter system with voltage testing circuit
03/21/2012CN101207962B Transformer, backlight apparatus, and display apparatus
03/21/2012CN101189919B Circuit arrangement for operating a discharge lamp having temperature compensation
03/20/2012US8139378 LED dimmer device adapted for use in dimmer
03/20/2012US8138875 Inductively powered apparatus
03/20/2012US8138685 Power converting circuit and controller thereof
03/20/2012US8138684 Discharge lamp lighting device, control method thereof, and projector
03/20/2012US8138681 Driving circuit, LED head and image forming apparatus
03/15/2012WO2012032647A1 Electronic device and control method therefor
03/15/2012WO2012031935A1 Circuit arrangement and method for starting and operating a high-pressure discharge lamp
03/15/2012WO2012031435A1 Stabilization circuit for electronic transformer driven led devices
03/15/2012US20120062147 High efficiency drive method for driving LED devices
03/15/2012US20120062137 Method for Detection of Non-Zero-Voltage Switching Operation of a Ballast of Fluorescent Lamps, and Ballast
03/15/2012US20120062136 Direct current light emitting device control circuit with dimming function and method thereof
03/15/2012US20120062124 Lighting device with optical pulsation suppression by polyphase-driven electric energy
03/15/2012US20120062120 Thermal foldback circuit with dimmer monitor
03/15/2012DE102010040449A1 Schaltungsanordnung und Verfahren zum Starten und Betreiben einer Hochdruckentladungslampe Circuit arrangement and method for starting and operating a high pressure discharge lamp
03/14/2012EP2429266A2 Dimming of light operating devices to pre-defined levels
03/14/2012EP1718129B1 High pressure discharge lamp operation device and operation method
03/14/2012CN202168266U 一种金卤灯用高频电子镇流器的声共振抑制电路 One kind of metal halide lamps with high frequency electronic ballast acoustic resonance suppression circuitry
03/14/2012CN202168265U Lighting device
03/14/2012CN202168264U 脉冲氙灯电源 Pulsed xenon lamp power
03/14/2012CN202168263U 一种长启动寿命的热阴极紫外线灯 Start of a long-life hot cathode ultraviolet lamp
03/14/2012CN202168262U 带智能接口的调光电子镇流器 Dimmable electronic ballasts with intelligent interface
03/14/2012CN202167460U 一种大功率自触发式高压钠灯 One kind of high-power self-triggered HPS
03/14/2012CN202166010U 无电极等离子体灯阵列设备 Electrodeless plasma lamp array devices
03/14/2012CN1768412B Microwave energized plasma lamp with dielectric waveguide
03/14/2012CN1650674B Improved dimmer circuit arrangement
03/14/2012CN102379162A Circuit arrangement and method for operating a high-pressure discharge lamp
03/14/2012CN102379161A High-intensity discharge lamp turn-on apparatus, high-intensity discharge lamp apparatus using same, projector using high-intensity discharge lamp apparatus, and method of turning on high-intensity discharge lamp
03/14/2012CN102379160A Hid lamp ignitor
03/14/2012CN102378460A Electroless lamp light-adjustable ballast apparatus with external control
03/14/2012CN102378459A Discharge lamp lighting circuit
03/14/2012CN102378458A High-power fluorescent lamp ballast
03/14/2012CN102378457A Driving circuit of cold-cathode fluorescent lamp
03/14/2012CN101351072B Control circuit for light source
03/14/2012CN101312609B Flash control circuit
03/13/2012US8134845 Electromagnetic interference suppressing apparatus for high-frequency signal generation device
03/13/2012US8134308 Method for driving a PTC electrical load element
03/13/2012US8134301 Step-up driver with minimal switching frequency
03/13/2012US8134297 Ballast for a discharge lamp with adaptive preheating
03/08/2012WO2012029172A1 Projection display device and control method therefor
03/08/2012WO2011026926A3 Cosine (phi) correction in current- or power-controlled operating devices for lighting devices
03/08/2012US20120056554 Solid State Light Source Driving and Dimming Using an AC Voltage Source
03/08/2012US20120056551 High power-factor control circuit and method for switched mode power supply
03/08/2012US20120056549 Discharge lamp lighting circuit
03/08/2012DE19964552B4 Schaltungsanordnung zum Betreiben von Gasentladungslampen, insbesondere HID-Lampen Circuit arrangement for operating gas discharge lamps, in particular HID lamps
03/08/2012DE102011080446A1 Vorrichtung zum Steuern von Energie und Strom, die einer Entladungslampe bereitgestellt werden Apparatus for controlling energy and power, which are of a discharge lamp provided
03/08/2012DE102010040398A1 Verbesserung der Energie-Effizienz einer mindestens eine Lichtquelle aufweisenden Beleuchtungsanlage sowie entsprechende Beleuchtungsanlage Improving the energy efficiency of at least one light source having lighting system and appropriate lighting system
03/08/2012DE102010040144A1 Entladungslampe Discharge lamp
03/07/2012EP2425684A1 Power-controlled operating circuit for a lighting means and method for operating the same
03/07/2012EP1402310B1 Apparatus for supplying power and liquid crystal display having the same
03/07/2012CN202160326U Dimming universal driving module of quantization electrodeless lamp
03/07/2012CN202160325U 输出频率分段可变的自激振荡逆变电源 Segmentation variable output frequency self-oscillating inverter
03/07/2012CN202160324U 一种具有定时触发功能的灯具 Having a timed triggering lamps
03/07/2012CN202160323U Novel large power energy-saving electronic ballast
03/07/2012CN202160322U 点灯罩 Point lampshade
03/07/2012CN202159646U 一种遥控无极灯 A remote control lamp
03/07/2012CN102369789A Overvoltage protection for a bus device
03/07/2012CN102368885A Horizontal push type starter holder
03/07/2012CN101867311B Power system
03/07/2012CN101309538B Control method for electronic ballast of HID light without electrolytic capacitor
03/07/2012CN101146394B Optical road lamp load control device
03/06/2012US8129927 Driving device and driving method of electric discharge lamp, light source device, and image display apparatus
03/06/2012US8129923 Switching circuit adapted in LED circuit
03/06/2012US8129922 Method for controlling a high-frequency transformer
03/06/2012US8129920 Discharge lamp ballast and fixture with controlled preheating
03/06/2012US8129919 Discharge tube driving device
03/06/2012US8129918 Power supply, display device, and light source driving apparatus
03/06/2012US8129916 Light emitting driver circuit with bypass and method
03/06/2012US8129915 Discharge lamp operating device, illumination device and liquid crystal display device
03/06/2012US8129911 Magnetron
03/01/2012WO2012025626A1 Luminaires, especially luminaires to be operated in lamp holders for fluorescent lamps
03/01/2012US20120049764 High-pressure discharge lamp lighting device, high-pressure discharge lamp device using the same, projector using the high-pressure discharge lamp device, and lighting method for high-pressure discharge lamp
03/01/2012US20120049757 Ballast control circuit and ballast control method for gas discharge lamp
03/01/2012US20120049755 Led drive circuit and led illumination component using the same
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