| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 02/07/2008 | US20080030145 High-Frequency and High-Voltage Supply Unit with Retroactive Control |
| 02/07/2008 | US20080030144 Intelligent Gas Discharge Lamp Control Circuit |
| 02/07/2008 | US20080030143 Discharge Lamp Lighting Device, and Lighting Equipment and Lighting System Using the Device |
| 02/07/2008 | DE202007015989U1 Schaltungsanordnung zur Regelung der Helligkeit von Leuchtstofflampen als photoperiodisches Zusatzlicht Circuit arrangement for controlling the brightness of fluorescent lamps as photoperiodic additional light |
| 02/07/2008 | DE102006036112A1 Verfahren zum Betreiben eines Beleuchtungssystems mit einer sequentiellen Farbfilterung und einer Hochdruckentladungslampe A method of operating an illumination system with a sequential color filtering and a high-pressure discharge lamp |
| 02/07/2008 | DE102006035824A1 Schaltungsanordnung und Verfahren zum Betreiben mindestens einer Entladungslampe Circuit arrangement and method for operating at least a discharge lamp |
| 02/07/2008 | CA2658726A1 Monitoring device |
| 02/07/2008 | CA2658505A1 Device and method for monitoring at least one fluorescent lamp |
| 02/06/2008 | EP1885165A2 Inverter Circuit |
| 02/06/2008 | EP1885164A2 Light source device, lighting and driving method thereof and projector |
| 02/06/2008 | EP1884143A2 Universal line voltage dimming method and system |
| 02/06/2008 | EP1884142A1 Circuit arrangement for operation of a discharge lamp with a switchable tuned capacitor |
| 02/06/2008 | EP1883936A2 High-voltage pulse generator, and lighting apparatus and vehicle having the same |
| 02/06/2008 | EP1883491A1 Component with a weld projection having a projection and lamp housing part comprising a component with a weld projection |
| 02/06/2008 | CN201018705Y Three-control device of three-control switch |
| 02/06/2008 | CN201018704Y Digitalized intelligent power supply of electromagnetic induction lamp |
| 02/06/2008 | CN201018703Y Improved electronic ballast for power factor correcting circuit |
| 02/06/2008 | CN201018702Y Circuitry and air discharge lamp including the same |
| 02/06/2008 | CN201016443Y High light flux cold cathode fluorescent lamp |
| 02/06/2008 | CN201016438Y Energy-saving lamp with emergency illuminating function |
| 02/06/2008 | CN101120619A A method and a circuit arrangement for operating a high intensity discharge lamp |
| 02/06/2008 | CN101119607A Light source device, lighting and driving method thereof and projector |
| 02/06/2008 | CN101119606A Light modulation circuit and control method for electric discharge tube |
| 02/06/2008 | CN101119605A Single-stage type electric stabilizer circuit and commutation and power factor correcting circuit |
| 02/06/2008 | CN101119604A Power supply linking operation device and operation method |
| 02/06/2008 | CN101118347A Liquid crystal display device, driving method of liquid crystal display device, driving method of illumination device, and driving method of emitter |
| 02/06/2008 | CN100367828C Method for operating high-voltage discharge lamp, lighting installation and high-voltage discharge lamp |
| 02/06/2008 | CN100367447C Method and device for driving a metal halide lamp |
| 02/06/2008 | CN100367328C Projection type video display apparatus |
| 02/05/2008 | US7327100 Discharge lamp lighting apparatus |
| 02/05/2008 | US7327096 Electrode temperature differential operation of a discharge lamp |
| 02/05/2008 | US7327095 Discharge lamp lighting apparatus |
| 02/05/2008 | US7327094 Circuit arrangement and method for operating at least one electric lamp |
| 02/05/2008 | US7327093 External electrode fluorescent lamp, backlight unit using the external electrode fluorescent lamp, LCD backlight equipment using the backlight unit and driving device thereof |
| 01/31/2008 | WO2008013185A1 Discharge lamp operating system |
| 01/31/2008 | WO2008012942A1 Piezoelectric transformer light adjusting noise reduction circuit |
| 01/31/2008 | WO2008011904A1 High-pressure discharge lamp |
| 01/31/2008 | WO2008011794A1 A hot cathode electronic ballast filament control device and design method thereof |
| 01/31/2008 | US20080024422 Inverter driving apparatus and liquid crystal display including inverter driving apparatus |
| 01/31/2008 | US20080024075 Apparatus and method for striking a fluorescent lamp |
| 01/31/2008 | US20080024074 Load control device for use with lighting circuits having three-way switches |
| 01/31/2008 | US20080024073 Method for detecting lamp current and lamp driving circuit using the method for detecting the lamp current |
| 01/31/2008 | US20080024072 Acoustic resonance free driving electronic ballast for high intensity discharge lamp |
| 01/31/2008 | US20080024068 Lamp socket, backlight assembly having the same and display device having the same |
| 01/31/2008 | DE102007034008A1 Entladungslampen-Lichtstromkreis A discharge lamp lighting circuit |
| 01/31/2008 | DE102006035071A1 Lamp e.g. gas-discharge lamp, brightness adjusting device for background lighting, has modulator applying voltage to lamp, such that voltage is sufficient and reduced during intervals, where transitions between intervals are decelerated |
| 01/30/2008 | EP1883279A1 Metal halide discharge lamp and metal halide discharge lamp system |
| 01/30/2008 | EP1883278A1 Metal halide discharge lamp and metal halide discharge lamp system |
| 01/30/2008 | EP1882400A2 Method and circuit for enabling dimming using triac dimmer |
| 01/30/2008 | EP1882399A1 Electronic ballast for a low-pressure discharge lamp with a micro-controller |
| 01/30/2008 | EP1882398A2 Magnetic ballast |
| 01/30/2008 | EP1882397A2 Dimmer for use with a three-way switch |
| 01/30/2008 | CN201015241Y Semi-bridge power oscillator dedicated for high-frequency electrodefree lamp |
| 01/30/2008 | CN201015240Y Electronic ballast |
| 01/30/2008 | CN201015239Y Lighting tube power source supply circuit and its transformer |
| 01/30/2008 | CN201014780Y Solar photovoltaic illumination and water heater integrated machine |
| 01/30/2008 | CN201014374Y Ballast of fluorescent lamp for color separator |
| 01/30/2008 | CN201014317Y Ion ball-lamp |
| 01/30/2008 | CN201014297Y Illuminatingsystem of big bridge tightwire decorating lamp |
| 01/30/2008 | CN201014292Y Large power straight pipe cold cathode fluorescent lamp |
| 01/30/2008 | CN101116379A HID ballast |
| 01/30/2008 | CN101116378A Lamp base for a high-pressure discharge lamp and corresponding high-pressure discharge lamp |
| 01/30/2008 | CN101116377A Ignitor disconnection control system and method |
| 01/30/2008 | CN101115343A 镇流器电路 Ballast circuit |
| 01/30/2008 | CN101115342A Electronic ballast unit for fluorescent lamps |
| 01/30/2008 | CN101115341A Method, circuit and apparatus for controlling full-bridge inverter including resonant loop |
| 01/30/2008 | CN101115340A Inverter circuit |
| 01/30/2008 | CN101115339A Electronic circuit for lighting device |
| 01/30/2008 | CN101115338A Electronic circuit for lighting device |
| 01/30/2008 | CN101115337A Energy-saving conversion head of electric inductance type fluorescent lamp |
| 01/30/2008 | CN101114542A Power conversion type ballast |
| 01/30/2008 | CN101114116A Light source device and projector |
| 01/30/2008 | CN101113809A Canula type sun lamp |
| 01/30/2008 | CN101113808A Changeable colour dynamic advertisement lighting lamp |
| 01/30/2008 | CN100365909C Flashing-lamp charging apparatus |
| 01/30/2008 | CN100365500C Flash lamp device for camera |
| 01/30/2008 | CN100365472C Power supply apparatus and liquid crystal display using the same |
| 01/29/2008 | US7323877 Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps |
| 01/29/2008 | US7323832 Inverter with dimming function |
| 01/29/2008 | US7323828 LED current bias control using a step down regulator |
| 01/29/2008 | US7323826 Anti-cycling control system for luminaires |
| 01/29/2008 | US7322717 Illuminator and display device using the same |
| 01/24/2008 | WO2008011041A2 Improved ballast control circuit for use with ccfl and eefl lamps |
| 01/24/2008 | WO2008010542A1 Super-high pressure mercury lamp |
| 01/24/2008 | WO2008010351A1 Discharge lamp lighting device |
| 01/24/2008 | WO2007132369A3 Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp |
| 01/24/2008 | WO2006103621A3 High-voltage pulse generator, and lighting apparatus and vehicle having the same |
| 01/24/2008 | US20080018266 Dc to dc conversion circuit with variable output voltage |
| 01/24/2008 | US20080018265 Single-stage electronic ballast device |
| 01/24/2008 | US20080018263 Discharge Lamp Lighting Circuit |
| 01/24/2008 | US20080018262 Ballast control circuit for use with ccfl and eefl lamps |
| 01/24/2008 | US20080018258 Method for Lighting Flat Fluorescent Lamp |
| 01/24/2008 | CA2658130A1 Extra-high pressure mercury lamp |
| 01/24/2008 | CA2658106A1 Thermal protection for lamp ballasts |
| 01/23/2008 | EP1881745A1 Process for recognizing the supply power discharge lamps and related device |
| 01/23/2008 | EP1881744A1 Power supply apparatus using coil |
| 01/23/2008 | EP1880586A1 Starter transformer and lamp socket for a discharge lamp |
| 01/23/2008 | EP1525780B1 Projection system |
| 01/23/2008 | EP1093324B1 Dielectric barrier discharge lamp light source |
| 01/23/2008 | CN201011745Y Electromagnetic induction lamp power supply |