| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 04/18/2007 | CN1949948A Electronic ballast capable of linearly regulating brightness of fluorescent lamp |
| 04/18/2007 | CN1949947A HID lamp electronic ballast |
| 04/18/2007 | CN1949946A Discharge lamp lighting apparatus |
| 04/18/2007 | CN1949945A Discharge lamp lighting apparatus |
| 04/18/2007 | CN1949417A Transformer of lamp tube driver and method for regulating lamp tube brightness thereof |
| 04/18/2007 | CN1311715C Electronic ballast with protector |
| 04/18/2007 | CN1311511C Low-voltage discharge lamp with circuit breaker when its service life stops |
| 04/17/2007 | US7205975 Display apparatus and method |
| 04/17/2007 | US7205726 Discharge lamp drive apparatus and liquid crystal display apparatus |
| 04/17/2007 | US7205724 Backlight driving system for a liquid crystal display device |
| 04/12/2007 | WO2007039010A1 Dynamic coil heating |
| 04/12/2007 | WO2005107336A3 Lighting fixture adapter |
| 04/12/2007 | US20070080651 Ballast for igniting and powering a lamp |
| 04/12/2007 | US20070080650 Starter circuit having regulated starter voltage |
| 04/12/2007 | US20070080649 High voltage discharge lamp lighting apparatus |
| 04/12/2007 | US20070080648 Driving method of cold cathode fluorescent flat lamp |
| 04/12/2007 | DE19882872B4 Blitzlichtladeschaltung mit Strom- und Spannungsüberwachungseinrichtung Flash charging circuit with current and voltage monitoring device |
| 04/12/2007 | DE102006041025A1 Eine reversible Dimmer-Vorrichtung für Gasentladungslampen und das Steuerverfahren für ihre Lichteinstellung A reversible dimmer device for gas discharge lamps and the control method for their light setting |
| 04/12/2007 | DE102005047985A1 Dynamische Wendelheizung Dynamic filament heating |
| 04/12/2007 | DE102005047364A1 Ignition voltage generating circuit arrangement for e.g. low pressure discharge lamp, has circuit branches switched parallel to lamp, where ignition voltage for lamp is generated based on transformer effect at inductor |
| 04/12/2007 | DE10025610B4 Ansteuergerät für eine Entladungslampe A driving apparatus for a discharge lamp |
| 04/11/2007 | EP1773104A1 Discharge lamp lighting device and illumination apparatus |
| 04/11/2007 | EP1772044A1 Color adjustable lamp |
| 04/11/2007 | EP1772043A1 A control unit for a lamp driver providing smooth transition between operation modes |
| 04/11/2007 | EP1772042A1 A lamp driver providing synchronization during commutation |
| 04/11/2007 | EP1772041A1 Multi-pulse ignition circuit for a gas discharge lamp |
| 04/11/2007 | EP1771839A1 Uniform back-lighting device and display device therewith |
| 04/11/2007 | EP1438878B1 Method and apparatus for driving a gas discharge lamp |
| 04/11/2007 | CN2888793Y Power-saving device for illumination |
| 04/11/2007 | CN2888792Y Low-voltage energy-saving lamp |
| 04/11/2007 | CN2888253Y Portable small-power metal halide xenon search lamp |
| 04/11/2007 | CN1947474A Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life |
| 04/11/2007 | CN1947473A Circuit arrangement for operating high pressure discharge lamps and operating method for a high pressure discharge lamp |
| 04/11/2007 | CN1947472A Full digital dimming ballast for a fluorescent lamp |
| 04/11/2007 | CN1947471A Method and apparatus for optimizing power efficiency in light emitting device arrays |
| 04/11/2007 | CN1947470A Discharge lamp operation device, lighting device, and lighting system |
| 04/11/2007 | CN1947218A High-pressure sodium lamp |
| 04/11/2007 | CN1946260A Electric convertion control module for producing natural resonant frequency driving current and light source module |
| 04/11/2007 | CN1310575C Non-stroboscopic energy-saving direct-current fluorescent lamp |
| 04/11/2007 | CN1310574C Discharge lamp lighting method and discharge lamp lighting apparatus |
| 04/11/2007 | CN1310412C Method and circuit for driving high-side and low-side switching devices |
| 04/11/2007 | CN1310084C Discharge illuminating device |
| 04/10/2007 | US7202641 DC-to-DC converter |
| 04/10/2007 | US7202612 Discharge lamp lighting apparatus |
| 04/10/2007 | US7202609 Noise reduction in a power converter |
| 04/10/2007 | US7202608 Switched constant current driving and control circuit |
| 04/10/2007 | US7202592 Piezoelectric transformer, power supply circuit and lighting unit using the same |
| 04/10/2007 | CA2140559C Energy management control system for fluorescent lighting |
| 04/05/2007 | WO2007037831A2 Lamp driver circuit |
| 04/05/2007 | WO2007037230A1 External electrode lamp, backlight unit, and liquid crystal display |
| 04/05/2007 | WO2007036995A1 Electronic stabilizer capable of adjusting light for electrodeless discharge lamp and illumination device |
| 04/05/2007 | WO2007036514A1 Method for setting an electronic ballast |
| 04/05/2007 | WO2007036086A1 A passive power factor correction circuit |
| 04/05/2007 | WO2007036085A1 Electronic ballast |
| 04/05/2007 | US20070076459 Apparatus for supplying energy to a load and a related system |
| 04/05/2007 | US20070076445 Power converter |
| 04/05/2007 | US20070075654 Method and Apparatus for Preventing Instabilities in Radio-Frequency Plasma Processing |
| 04/05/2007 | US20070075653 Backlight light source drive device |
| 04/05/2007 | US20070075652 External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy |
| 04/05/2007 | US20070075651 Plasma lighting system having thin metallic film resonator |
| 04/05/2007 | US20070075650 Fluorescent lamp lighting apparatus and lighting control system |
| 04/05/2007 | DE112005000771T5 Entladungslampen-Schaltvorrichtung A discharge lamp switching device |
| 04/05/2007 | DE10238272B4 Vorrichtung zum Ansteuern einer Entladungslampe An apparatus for driving a discharge lamp |
| 04/05/2007 | DE102004056304B4 Beleuchtungsanordung mit einer Leuchtstofflampe, insbesondere einer Kaltkathodenlampe Beleuchtungsanordung with a fluorescent lamp, in particular a cold cathode lamp |
| 04/05/2007 | DE10120273B4 Stromversorgungseinrichtung für eine Lampe Power supply means for a lamp |
| 04/05/2007 | CA2622956A1 Method for setting an electronic ballast |
| 04/04/2007 | EP1771049A2 Solar simulator and method for driving the same |
| 04/04/2007 | EP1771048A2 Electronic ballast with a digital control unit |
| 04/04/2007 | EP1771047A1 Electronic ballast with a digital control unit |
| 04/04/2007 | EP1771046A1 Electronic ballast with a digital control unit |
| 04/04/2007 | EP1771045A2 Ignition circuit for a high-pressure discharge lamp |
| 04/04/2007 | EP1771044A1 Lighting system |
| 04/04/2007 | EP1770436A1 Method and apparatus for storing lamp data |
| 04/04/2007 | EP1769657A1 Electronic ballast protection |
| 04/04/2007 | EP1769523A2 Hot cathode fluorescent lamp without filament |
| 04/04/2007 | CN2886980Y Electronic ballast for DC fluorescent lamp |
| 04/04/2007 | CN2886765Y A casing structure of ballast |
| 04/04/2007 | CN1943283A Circuit arrangement and method for striking a gas discharge lamp with a time-limited starting phase |
| 04/04/2007 | CN1942041A Method and device for the control of fluorescent lamps in a lighting arrangement |
| 04/04/2007 | CN1942040A Discharge lamp lighting device and illumination apparatus |
| 04/04/2007 | CN1942039A Microwave sulfur light power-supply system and controlling method |
| 04/04/2007 | CN1942038A Controller and control for electronic ballast resistor and high-performance gas discharging light |
| 04/04/2007 | CN1942037A 高电压高侧晶体管驱动器 High-voltage high-side transistor drive |
| 04/04/2007 | CN1942036A Electricity controller, device for lighting discharge tube, and display device |
| 04/04/2007 | CN1942035A Fluorescent lamp lighting device and lighting control system |
| 04/04/2007 | CN1942034A Multi-lamp driving system |
| 04/04/2007 | CN1942033A Method and device for adjusting light-source brightness |
| 04/04/2007 | CN1941585A Electronic touching light-modulating transformer of low-voltage halogen tungsten light |
| 04/04/2007 | CN1941270A Discharge lamp protecting cover and lamp lighting device |
| 04/04/2007 | CN1941266A 平面型放电灯点灯系统 Planar discharge lamp lighting system |
| 04/03/2007 | US7199988 Discharge tube lighting transformer with protective circuit against non-grounding of ground terminal |
| 04/03/2007 | US7199530 Digital ballast |
| 04/03/2007 | US7199529 Inductive lighting system with back-up battery |
| 04/03/2007 | US7199528 Control circuit for maintaining constant power in power factor corrected electronic ballasts and power supplies |
| 03/29/2007 | WO2007035907A2 Germicidal lamp |
| 03/29/2007 | WO2007005164A3 System and method for power supply for lamp with improved constant power mode control and improved boost current circuit |
| 03/29/2007 | WO2006137027A3 Method for driving an inverter of a gas discharge supply circuit |
| 03/29/2007 | WO2006128435A3 Circuit arrangement for operating a discharge lamp having temperature compensation |
| 03/29/2007 | US20070070571 Apparatus and method for compensating for reduced light output of a light source having a lumen depreciation characteristic over its operational life |
| 03/29/2007 | US20070069662 Current-balancing circuit for lamps |