| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 08/10/2011 | CN102149246A Infrared dimming electronic ballast |
| 08/10/2011 | CN102149245A Electronic ballast of efficient and light-adjustable gas discharge lamp |
| 08/10/2011 | CN102149244A Electronic ballast of low-frequency nonpolar lamp |
| 08/10/2011 | CN102147094A Illuminating device |
| 08/10/2011 | CN101243729B High-pressure discharge lamp operating device |
| 08/10/2011 | CN101242699B Intelligent heat radiation control device for non-pole lamp rectifier |
| 08/10/2011 | CN101133686B Lighting unit and lamp |
| 08/10/2011 | CN101118347B Liquid crystal display device, driving method of liquid crystal display device, driving method of illumination device, and driving method of emitter |
| 08/10/2011 | CN101060746B A fluorescent lamp drive power supply |
| 08/09/2011 | US7995101 Image processing system, image supply apparatus, image receiving apparatus, lighting apparatus and controlling method therefor |
| 08/09/2011 | US7994731 Universal input voltage device |
| 08/09/2011 | US7994730 Pulse width modulation (PWM) closed loop LED current driver in an embedded system |
| 08/09/2011 | US7994729 Optical element driving circuit |
| 08/09/2011 | US7994725 Floating switch controlling LED array segment |
| 08/09/2011 | US7993015 Projector and control method thereof |
| 08/09/2011 | CA2414826C Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same |
| 08/04/2011 | WO2011092528A1 Device for ignition and operating discharge tubes by using energy impulse and resonance circuit |
| 08/04/2011 | WO2011092527A1 Ac voltage reduction by means of a transformer |
| 08/04/2011 | WO2011000571A3 Activation module for a gas discharge lamp |
| 08/04/2011 | US20110189954 Adaptive inductive power supply with communication |
| 08/04/2011 | US20110187753 Information processing apparatus and method for controlling charging of battery |
| 08/04/2011 | US20110187294 Group iii nitride based light emitting diode structures with multiple quantum well structures having varying well thicknesses |
| 08/04/2011 | US20110187288 Discharge lamp lighting device |
| 08/04/2011 | US20110187287 Ballast configured to compensate for lamp characteristic changes |
| 08/04/2011 | US20110187280 Primary drive synchronous high-speed switching rectifying circuit for llc half-bridge power converter for driving led |
| 08/04/2011 | US20110187279 Led circuit arrangement with improved flicker performance |
| 08/04/2011 | US20110187278 Lighting control method |
| 08/04/2011 | US20110187273 Lighting control system for a plurality of luminaires |
| 08/04/2011 | DE102010029478A1 Entladungslampeneinheit mit einer Wärmeableitungsstruktur Discharge lamp unit with a heat dissipation structure |
| 08/03/2011 | EP2352364A1 Illumination lighting device, discharge lamp lighting device, and vehicle headlamp lighting device using same |
| 08/03/2011 | EP2351468A1 Integrated gas discharge lamp having constant light emission during the burning time |
| 08/03/2011 | EP2351467A1 Method of driving a short-arc discharge lamp |
| 08/03/2011 | EP2351466A1 Integrated gas discharge lamp with an ignition electronics integrated into the base for generating asymmetrical ignition pulses |
| 08/03/2011 | EP2351057A1 Integrated gas discharge lamp and ignition transformer for an integrated gas discharge lamp |
| 08/03/2011 | CN201919231U 功率可三段调节的冷阴极管灯具 Power can be adjusted to three sections of the cold-cathode tube lamps |
| 08/03/2011 | CN201919230U 一种节电装置 One kind of energy-saving devices |
| 08/03/2011 | CN201919229U Electric discharge suppression and shock resistance circuit of electronic ballast |
| 08/03/2011 | CN201919228U 一种带新型辅助绕组并联点火电路结构的电子镇流器 An auxiliary winding is connected in parallel with the new circuit configuration of an electronic ballast ignition |
| 08/03/2011 | CN201919227U 定时可调功率钠灯 Timing adjustable power sodium |
| 08/03/2011 | CN201919151U 具有灯光投射功能的多媒体音箱 With a light projection capabilities of multimedia speakers |
| 08/03/2011 | CN201918114U Display with illuminating display screen |
| 08/03/2011 | CN1729729B DC/AC converter for supplying two gas discharge lamps |
| 08/03/2011 | CN102144277A Igniter integrated lamp socket for hot re-strike of discharge lamp |
| 08/03/2011 | CN102143643A Ultra-thin hot cathode fluorescent lamp of liquid crystal television |
| 08/03/2011 | CN102143642A High frequency electronic transformer of heavy power UV lamp |
| 08/03/2011 | CN102143641A Discharge lamp lighting device |
| 08/03/2011 | CN101572501B Monitoring circuit |
| 08/03/2011 | CN101315866B Electrodeless lamp equipped with ventilation, heat insulation and heat radiation device |
| 08/03/2011 | CN101146391B Lamp cover cold cathode decoration lamp |
| 08/03/2011 | CN101106860B An automatic photoelectrical controller for controlling lighting device |
| 08/02/2011 | US7990361 Liquid crystal display device having an improved backlight |
| 08/02/2011 | US7990081 Pulse width modulation based LED dimmer control |
| 08/02/2011 | US7990074 Adaptive algorithm for camera flash LED power control vs. battery impedance, state of discharge (SOD), aging, temperature effects |
| 08/02/2011 | US7990070 LED power source and DC-DC converter |
| 07/30/2011 | CA2729695A1 Lighting control method |
| 07/30/2011 | CA2729481A1 Lighting control system for a plurality of luminaires |
| 07/28/2011 | WO2011071398A3 Method for controlling high intensity discharge lamp and supply system for high intensity discharge lamp |
| 07/28/2011 | WO2011021096A8 Apparatus and methods of operation of passive and active led lighting equipment |
| 07/28/2011 | US20110181205 Half-bridge power converter for driving led by series-resonant connection of inductor, inductor and capacitor |
| 07/28/2011 | US20110181204 Balancing transformers for multi-lamp operation |
| 07/28/2011 | US20110181197 Light source turn-on/off controller |
| 07/28/2011 | DE102010000203A1 Electronic ballast for high pressure gas discharge lamp, has igniter attached to lamp circuit, and capacitor attached to power line and lamp circuit by bypassing input circuit, direct voltage intermediate circuit, inverter and igniter |
| 07/27/2011 | EP2348797A1 A method of controlling a fluorescent lamp and a control system therefor |
| 07/27/2011 | CN201910965U Emergency fluorescent lamp with multiple protection functions |
| 07/27/2011 | CN201910964U Integrated energy-saving lamp capable of prolonging illumination time in power failure |
| 07/27/2011 | CN201910963U Novel streetlamp energy saving device |
| 07/27/2011 | CN1929712B Controller for detachable one-master-driving-two vehicle xenon lamp stabilizing device |
| 07/27/2011 | CN1717144B Digital driving system for cold cathode fluorescent lamp |
| 07/27/2011 | CN102138103A Light control of a flash unit |
| 07/27/2011 | CN102137538A Special unit circuit for long-service-life lamp tube |
| 07/27/2011 | CN101223832B Circuit arrangement and method for operating at least one electric lamp |
| 07/27/2011 | CN101001497B Light regulating system, control device and method of fluorescent lamp |
| 07/26/2011 | US7986109 Load driving circuit and method of setting load current thereof |
| 07/26/2011 | US7986108 LED driver and start-up feedback circuit therein |
| 07/26/2011 | US7986106 Protection circuit and discharge lamp driving device employing the same |
| 07/26/2011 | US7986105 Backlight driving method and display apparatus using the same |
| 07/26/2011 | US7986104 Discharge lamp lighting apparatus |
| 07/26/2011 | US7986103 Method for driving a lamp in a lighting system based on a goal energizing level of the lamp and a control apparatus therefor |
| 07/26/2011 | US7986100 LED string |
| 07/21/2011 | WO2011086440A2 A power factor correction circuit of an electronic ballast |
| 07/21/2011 | WO2011086090A2 Synchronized control of lamps |
| 07/21/2011 | WO2011057921A3 High-pressure discharge lamp |
| 07/21/2011 | WO2011042830A3 High efficiency lighting assembly with an ac-driven metal halide lamp |
| 07/21/2011 | WO2011031110A9 Apparatus and method for generating constant current pulse wave, medical operation method using same, and light generating apparatus |
| 07/21/2011 | US20110177783 Adaptive inductive power supply with communication |
| 07/21/2011 | US20110177782 Adaptive inductive power supply with communication |
| 07/21/2011 | US20110175554 Plasma display panel |
| 07/21/2011 | US20110175550 Apparatus for driving load |
| 07/21/2011 | US20110175546 Phosphor-centric control of color characteristic of white light |
| 07/21/2011 | US20110175540 Overload protection device for led luminary |
| 07/21/2011 | US20110175539 Light Source System Capable of Dissipating Heat |
| 07/21/2011 | US20110175538 Lamp driving apparatus and level shift driving circuit |
| 07/21/2011 | US20110175532 System and method for supplying constant power to luminuous loads |
| 07/21/2011 | US20110175458 Adaptive inductive power supply |
| 07/21/2011 | DE102010004894A1 Method for actuating radio frequency transformer for brightness control of cold cathode lamp in backlight of LCD, involves providing nominal pulse width for pulses in nominal phase, which is completed when check signal is eliminated |
| 07/21/2011 | DE102009048831B4 Verfahren zum Betreiben von Hochdruckentladungslampen The method for operating high pressure discharge lamps |
| 07/20/2011 | EP2346305A2 Dimmable power supply with internal dimming characteristic curve |
| 07/20/2011 | EP2345311A2 Providing power to gas discharge lamp |
| 07/20/2011 | EP2345310A1 Dimmable single stage electronic ballast with high power factor |
| 07/20/2011 | EP2345134A1 An emergency power supply circuit for dimmable electronic ballasts and related method |