| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 03/01/2012 | DE102009016904B4 Schnittstelle zum Ansteuern eines elektronischen Vorschaltgeräts Interface for driving an electronic ballast |
| 03/01/2012 | CA2809343A1 Light-emitting means, in particular for operation in lampholders for fluorescent lamps |
| 02/29/2012 | DE202011109516U1 Lampenhalter für Leuchtstoffröhre und Leuchtdiodenröhre Lamp holder for fluorescent and LED tube |
| 02/29/2012 | CN202153807U 输出频率连续可变的自激振荡逆变电源 Continuously variable output frequency self-oscillating inverter |
| 02/29/2012 | CN202153806U 一种应用于教室的集中控制无极灯 Applied to the classroom centralized control lamp |
| 02/29/2012 | CN202153506U 一种内耦一体化无极灯 An internal coupling integrated lamp |
| 02/29/2012 | CN102365905A Lighting device of a discharge lamp, lighting appliance, and vehicle |
| 02/29/2012 | CN101657059B Inverter controller and driving circuit |
| 02/29/2012 | CN101409970B Drive circuit, method and backlight system for a plurality of loads |
| 02/29/2012 | CN101331809B Pulse width modulation apparatus and apparatus for driving light source having the same |
| 02/29/2012 | CN101213882B Gas discharge lamp ignition |
| 02/28/2012 | US8125162 Current mirror circuit |
| 02/28/2012 | US8125159 LED driving device with variable light intensity |
| 02/28/2012 | US8125158 Insulation type AC-DC converter and LED DC power supply device using the same |
| 02/28/2012 | US8125157 Light source and method for producing light modifiable in colour and/or luminosity |
| 02/28/2012 | US8125156 Circuit arrangement for operating at least one high-pressure discharge lamp |
| 02/28/2012 | US8125153 Microwave energized plasma lamp with dielectric waveguide |
| 02/28/2012 | US8125151 High-pressure discharge lamp, lighting method and lighting device for high-pressure discharge lamp, high-pressure discharge lamp device, and lamp unit, image display device and headlight device |
| 02/23/2012 | WO2012024383A2 Method of controlling an operating frequency of an inverter circuit in an electronic dimming ballast |
| 02/23/2012 | WO2012024295A1 Method of controlling an operating frequency of an electronic dimming ballast |
| 02/23/2012 | WO2012023694A1 Lighting device including a one-touch dimmer switch |
| 02/23/2012 | WO2012022555A1 Circuit, network filter, operating device und lighting apparatus or lamp |
| 02/23/2012 | WO2012022384A1 Self-ballasted electrodeless lamp |
| 02/23/2012 | US20120044268 Backlight module and a lcd thereof |
| 02/23/2012 | US20120043912 Single inductor mutiple LED string driver |
| 02/23/2012 | US20120043907 Compact high brightness led grow light apparatus, using an extended point source led array with light emitting diodes |
| 02/23/2012 | US20120043905 Method of Controlling an Operating Frequency of an Inverter Circuit in an Electronic Dimming Ballast |
| 02/23/2012 | US20120043904 Discharge lamp lighting device, projector, and driving method of discharge lamp |
| 02/23/2012 | US20120043903 Method of Measuring a Resonant Frequency in an Electronic Dimming Ballast |
| 02/23/2012 | US20120043901 Lighting device and displaying device |
| 02/23/2012 | US20120043900 Method and Apparatus for Measuring Operating Characteristics in a Load Control Device |
| 02/23/2012 | US20120043898 Electronic ballast and method for operation of at least one discharge lamp |
| 02/23/2012 | US20120043887 Wireless power transmission system and associated devices |
| 02/23/2012 | US20120043827 Adaptive inductive power supply with communication |
| 02/23/2012 | DE102011080061A1 Elektrische entladungslampenbeleuchtungsvorrichtung An electric discharge lamp lighting device |
| 02/23/2012 | DE102010039487A1 Schaltungsanordnung und Verfahren zum Betrieb einer Gasentladungslampe Circuit arrangement and method for operating a gas discharge lamp |
| 02/23/2012 | DE102010039437A1 Schaltung, Netzfilter, Betriebsgerät und Leuchtvorrichtung oder Lampe Circuit, line filter, power supply and lighting device or lamp |
| 02/23/2012 | DE102010039430A1 Elektronisches Vorschaltgerät und Verfahren zum Betreiben mindestens einer Entladungslampe An electronic ballast and method for operating at least a discharge lamp |
| 02/23/2012 | DE102010035768A1 Verfahren und Steuergerät zur Steuerung einer Gasentladungslampe bei einem Wiedereinschaltvorgang A method and control device for controlling a gas discharge lamp at a reconnection process |
| 02/22/2012 | EP2421337A1 Method and control device for controlling a gas discharge lamp for a reactivation process |
| 02/22/2012 | EP2421336A1 Electronic preswitching device and method for operating at least one discharge lamp |
| 02/22/2012 | EP2421335A1 New design energy saving lamp |
| 02/22/2012 | EP2421334A2 Switch system and method for operating a gas discharge lamp |
| 02/22/2012 | EP2420407A1 Discharge lamp lighting circuit |
| 02/22/2012 | EP2420111A1 High resolution pulse width modulation (pwm) frequency control using a tunable oscillator |
| 02/22/2012 | EP2420110A1 Dimmer control circuit for selecting between step dimming mode and phase-cut dimming mode |
| 02/22/2012 | EP2420109A1 Electronic ballast for operating at least one discharge lamp |
| 02/22/2012 | CN202150987U HID street lamp illumination electric power carrier wave network monitoring system |
| 02/22/2012 | CN202150986U Bicathode high voltage width trap lamp |
| 02/22/2012 | CN202150985U 高可靠性荧光灯电子镇流器 High Reliability Electronic Ballast |
| 02/22/2012 | CN202150984U 高功率因数电子镇流器 High power factor electronic ballast |
| 02/22/2012 | CN202150977U 照明装置控制电路模组 Lighting device control circuit module |
| 02/22/2012 | CN202150976U Two-in-one control circuit of power supply used for LED lamp and electronic ballast used for HID lamp |
| 02/22/2012 | CN202150969U 隧道感应灯 Tunnel Induction Lamp |
| 02/22/2012 | CN1870848B 电子镇流器以及调节电子镇流器工况的方法 Electronic ballast electronic ballast and a method of adjusting the operating conditions |
| 02/22/2012 | CN102362561A Operating equipment having integrated cooling plate |
| 02/22/2012 | CN102362556A Dimming interface for power line |
| 02/22/2012 | CN102362555A Protecting ballast circuitry against miswiring |
| 02/22/2012 | CN102360864A Low-loss flux leakage ballast |
| 02/22/2012 | CN102360060A Intelligentized current detection system of fluorescent tube type emergency lamp |
| 02/21/2012 | US8120286 Control system for fluorescent light fixture |
| 02/21/2012 | US8120284 Light emitting diode driving device and method thereof |
| 02/21/2012 | US8120279 Color adjustable lamp |
| 02/21/2012 | US8120275 Inverter and lamp driver including the same |
| 02/21/2012 | US8120272 AC delay angle control for energizing a lamp |
| 02/21/2012 | US8120271 Multi-lamp driving circuit |
| 02/21/2012 | US8120270 Circuit arrangement and method for operating a discharge lamp with preheatable electrodes |
| 02/21/2012 | US8120269 Circuit arrangement and method for operating a high-pressure discharge lamp |
| 02/21/2012 | US8120268 Lighting device and method of control based on chemistry composition of power source |
| 02/21/2012 | US8120265 Lamp driver for operating a gas discharge lamp |
| 02/21/2012 | US8120263 Portable lighting device and method thereof |
| 02/16/2012 | WO2012020047A1 Modulation of a pfc during dc operation |
| 02/16/2012 | WO2012019935A1 Method for operating a high-pressure discharge lamp outside the nominal power range thereof |
| 02/16/2012 | WO2012019857A2 Method for the optimized operation of a high-pressure discharge lamp |
| 02/16/2012 | US20120038287 Lighting system, dimming control apparatus and dimming control method |
| 02/16/2012 | US20120038278 Electronic inverter with protection for discharges produced by malfunctioning in gas discharge or fluorescent lamps at the end of the service life thereof |
| 02/16/2012 | US20120038276 Discharge lamp ballast, lighting unit, and vehicle |
| 02/16/2012 | DE102010039221A1 Verfahren zum Betreiben einer Hochdruckentladungslampe außerhalb ihres nominalen Leistungsbereiches Method for operating a high pressure discharge lamp outside its nominal power range |
| 02/16/2012 | DE102010039154A1 Modulation eines PFC bei DC-Betrieb Modulation of PFC during DC operation |
| 02/15/2012 | EP2418920A1 Method and device for igniting a fluorescent lamp |
| 02/15/2012 | EP2417839A2 Thyristor starting circuit |
| 02/15/2012 | EP2417838A2 Dimmable power supply |
| 02/15/2012 | EP2417837A1 Circuit arrangement and method for operating a high-pressure discharge lamp |
| 02/15/2012 | EP2417836A1 Hid lamp ignitor |
| 02/15/2012 | EP2103194B1 Lamp driver for operating a gas discharge lamp |
| 02/15/2012 | CN202145695U 一种大学自习室灯光控制系统 One kind of university study room lighting control system |
| 02/15/2012 | CN202145377U 一种压电变压器驱动电路 A piezoelectric transformer-driving circuit |
| 02/15/2012 | CN1922932B 照明控制系统 Lighting control systems |
| 02/15/2012 | CN102356698A Circuit and lighting system for dimming an illuminant |
| 02/15/2012 | CN102355787A Method and circuit for variable frequency dimming based on UBA2211 |
| 02/15/2012 | CN102355786A Intelligently controlled highly-efficient and energy-saving high-frequency stepless lamp |
| 02/15/2012 | CN102355785A Starting device for inductive ballast thermolamp of high pressure gas discharge lamp |
| 02/15/2012 | CN102355784A DC-AC electronic ballast |
| 02/15/2012 | CN101957543B 投影装置及用于调整该投影装置的驱动电压的方法 Projection means and means for adjusting the driving voltage of the method of the projection apparatus |
| 02/15/2012 | CN101370346B 智能节电最优控制系统 Intelligent power-saving optimal control system |
| 02/15/2012 | CN101175358B 全桥保护电路及应用其的多灯管驱动电路 Full-bridge circuit protection and application of its multi-lamp drive circuit |
| 02/15/2012 | CN101146390B 具单一晶体管的冷阴极萤光灯管电源转换器 A single transistor cold cathode fluorescent tube power converter |
| 02/14/2012 | US8116683 Adaptive inductive power supply with communication |
| 02/14/2012 | US8116681 Adaptive inductive power supply with communication |
| 02/14/2012 | US8115420 Filament power supply circuit for vacuum fluorescent display |