| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
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| 08/13/2009 | US20090200965 Energy savings circuitry for a lighting ballast |
| 08/13/2009 | US20090200964 Methods And Apparatus For Dimmable Ballasts With A High Power Factor |
| 08/13/2009 | US20090200962 Power supply apparatus |
| 08/13/2009 | US20090200960 Methods and Apparatus for Self-Starting Dimmable Ballasts With A High Power Factor |
| 08/13/2009 | US20090200958 Controlling reflected light using electronic paper |
| 08/13/2009 | US20090200957 Illumination apparatus |
| 08/13/2009 | US20090200956 Power supply circuit and portable device |
| 08/13/2009 | US20090200955 Combined ballast for fluorescent lamp and light emitting diode and method of driving same |
| 08/13/2009 | US20090200954 Color control of a discharge lamp during dimming |
| 08/13/2009 | US20090200953 Methods and apparatus for a high power factor ballast having high efficiency during normal operation and during dimming |
| 08/12/2009 | EP2088837A1 Method for operating a UV lamp |
| 08/12/2009 | EP2087777A1 Circuit arrangement for firing a discharge lamp |
| 08/12/2009 | CN201290196Y Electricity saver for cold light source |
| 08/12/2009 | CN201290195Y Multi-lamp-tube backlight system and protection device thereof |
| 08/12/2009 | CN201290194Y Pull type electric ballast |
| 08/12/2009 | CN101507368A Automatic dimming range recognition method |
| 08/12/2009 | CN101507367A Method of driving a discharge lamp, driving arrangement, an projector system |
| 08/12/2009 | CN101507366A High voltage discharge lamp lighting apparatus and illuminating equipment |
| 08/12/2009 | CN101507365A Discharge lamp lighting device and luminaries |
| 08/12/2009 | CN101507364A Dielectric barrier discharge lamp lighting device |
| 08/12/2009 | CN101507359A Bi-chromatic illumination apparatus |
| 08/12/2009 | CN101506931A A lighting device |
| 08/12/2009 | CN101505573A Florescent lamp regulating method |
| 08/11/2009 | US7573205 Lamp-lighting apparatus |
| 08/11/2009 | CA2299862C Circuit arrangement and method for operating at least one high-pressure discharge lamp |
| 08/06/2009 | WO2009096424A1 High-voltage discharge lamp lighting device, and lighting equipment using the device |
| 08/06/2009 | WO2009096417A1 High-voltage discharge lamp lighting device, and illuminating device using the same |
| 08/06/2009 | WO2009096173A1 Liquid crystal display device and backlight device |
| 08/06/2009 | WO2009096166A2 High-pressure discharge lamp system and projector using the same |
| 08/06/2009 | WO2009095649A1 Bipolar power control |
| 08/06/2009 | WO2009095584A1 Light flash generator, absorption spectrometer including such generator, and method for generating light flashes |
| 08/06/2009 | US20090195221 Capacitor charger with a modulated current varying with an input voltage and method thereof |
| 08/06/2009 | US20090195188 Cold-cathode fluorescent lamp having thin coat as electrically connected terminal, production method of the lamp, lighting apparatus having the lamp, backlight unit, and liquid crystal display apparatus |
| 08/06/2009 | US20090195187 Led driving topology, light source moudle based thereon, and digital camera having the same |
| 08/06/2009 | US20090195183 Controller of led lighting to control the maximum voltage of leds and the maximum voltage across current sources |
| 08/06/2009 | US20090195181 Method for operating an illumination system with sequential color filtering and a high pressure discharge lamp |
| 08/06/2009 | US20090195180 Led driver circuits and methods |
| 08/06/2009 | US20090195179 Power line communication |
| 08/06/2009 | US20090195178 Balancing arrangement with reduced amount of balancing transformers |
| 08/06/2009 | US20090195177 Self-excited inverter driving circuit |
| 08/06/2009 | US20090195176 Discharge lamp lighting circuit |
| 08/06/2009 | US20090195175 Direct Coupled Balancer Drive For Floating Lamp Structure |
| 08/06/2009 | US20090195174 Arrangement suitable for driving floating ccfl based backlight |
| 08/06/2009 | US20090195173 Discharge lamp operating system |
| 08/06/2009 | US20090195172 Inverter with adjustable resonance gain |
| 08/06/2009 | US20090195171 Temperature control system for backlight module |
| 08/06/2009 | DE202008003140U1 Betriebsgerät für Leuchtmittel Operating device for lamps |
| 08/06/2009 | CA2713563A1 High pressure discharge lamp lighting device and lighting fixture using the same |
| 08/06/2009 | CA2713559A1 High pressure discharge lamp lighting device and lighting fixture using the same |
| 08/05/2009 | EP2086291A2 Discharge lamp lighting circuit |
| 08/05/2009 | CN201286190Y Triggering circuit for metallic halogen lamp |
| 08/05/2009 | CN201286189Y Multiple strip lamp backlight apparatus and transformer thereof |
| 08/05/2009 | CN101502184A Striking and open lamp regulation for CCFL controller |
| 08/05/2009 | CN101502183A Device and method for monitoring at least one fluorescent lamp |
| 08/05/2009 | CN101502182A Monitoring device |
| 08/05/2009 | CN101502181A Use of an electronic ballast, method for driving an electronic ballast and dali controller |
| 08/05/2009 | CN101502180A Methods and driving units for driving a gas discharge lamp |
| 08/05/2009 | CN101502179A Discharge lamp lighting apparatus |
| 08/05/2009 | CN101502178A Compact fluorescent lamp |
| 08/05/2009 | CN101502177A High voltage discharge lamp lighting apparatus and illuminating equipment |
| 08/05/2009 | CN101502176A High pressure discharge lamp |
| 08/05/2009 | CN101500368A Lighting method of microwave excitation discharge lamp |
| 08/05/2009 | CN101500367A Signal processing circuit and method |
| 08/05/2009 | CN101500366A Circuit system for driving high brightness discharge lamp |
| 08/05/2009 | CN101500365A Mixed ballast control circuit in simplified encapsulation |
| 08/05/2009 | CN101500364A Discharge lamp driving apparatus and driving method |
| 08/05/2009 | CN101500363A Ballast and housing thereof |
| 08/05/2009 | CN101500362A Lamp life termination detection apparatus, ballast and lamp comprising the detection apparatus |
| 08/05/2009 | CN101499374A Transformer and multi-light tube driving circuit employing the same |
| 08/05/2009 | CN101498429A Lamp socket, display apparatus including the same, and method of assembling lamp |
| 08/05/2009 | CN100525576C Back light regulating method for plane display |
| 08/05/2009 | CN100525575C Lighting apparatus for illumination light source |
| 08/05/2009 | CN100525574C Lighting apparatus for discharge lamp |
| 08/05/2009 | CN100525573C Lighting-up device of discharge lamp |
| 08/05/2009 | CN100525572C Reverse-flow device circuit with functional factor adjusting effect |
| 08/05/2009 | CN100525571C Circuit of light-adjustable ballast with fluorescent tube resistance feedback network |
| 08/05/2009 | CN100525570C Rapid starter for gas discharge lamp |
| 08/05/2009 | CN100525569C Distributed streetlight energy-saving control system |
| 08/05/2009 | CN100525367C Lighting device of discharge lamp and manuscript exposure device |
| 08/05/2009 | CN100525049C Interface circuit of driving capacitance load, circuit device and low-pressure discharge lamp |
| 08/05/2009 | CN100523985C Image capturing device |
| 08/05/2009 | CA2651279A1 Compact fluorescent light device |
| 08/04/2009 | US7571063 Lighting performance power monitoring system and method with optional integrated light control |
| 08/04/2009 | US7570235 Communication diode driver circuit |
| 07/30/2009 | WO2009092449A1 Method and operating device for operating a high-pressure discharge lamp |
| 07/30/2009 | WO2009092448A1 Electronic ballast and method for controlling at least one light source |
| 07/30/2009 | WO2009092439A1 Method for the operation of and circuit arrangement for light sources |
| 07/30/2009 | US20090189546 Led dimming control circuit |
| 07/30/2009 | US20090189545 Electronic ballast with transformer interface |
| 07/30/2009 | US20090189539 Controlling Current Through Serial LEDs Using a Low Voltage Transistor When Using a High Voltage Driver |
| 07/30/2009 | US20090189538 Desk Lamp with Parallel Guidance |
| 07/30/2009 | US20090189536 High efficiency and low cost cold cathode fluorescent lamp driving apparatus for lcd backlight |
| 07/30/2009 | US20090189535 Transformer wiring method and apparatus for fluorescent lighting |
| 07/30/2009 | DE102008052701A1 Zündvorrichtung und Beleuchtungsgerät Ignition and lighting equipment |
| 07/30/2009 | DE102007025421B4 Zündtransformator und Zündmodul Ignition transformer and ignition module |
| 07/29/2009 | EP2083512A1 Discharge lamp lighting apparatus |
| 07/29/2009 | CN201282592Y Current changer with variable working frequency of cold-cathode fluorescent lamp |
| 07/29/2009 | CN201282591Y Energy-saving lamp capable of reducing power consumption |
| 07/29/2009 | CN201282590Y Improved structure of inducted lamp |
| 07/29/2009 | CN201282589Y Energy-saving lighting lamp |