| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 02/01/2004 | CA2436167A1 Circuit apparatus and method for operating a lamp |
| 01/29/2004 | WO2004010743A1 High-voltage discharge lamp operating device |
| 01/29/2004 | WO2004010742A2 Driver for a gas discharge lamp |
| 01/29/2004 | WO2004010735A2 Lighting control system with variable arc control including start-up circuit for providing a bias voltage supply |
| 01/29/2004 | WO2004010238A2 Single chip ballast control with power factor correction |
| 01/29/2004 | US20040017163 Apparatus for driving a discharge lamp |
| 01/29/2004 | DE10229633A1 Ansteuerung für einen Halbbrückenwechselrichter Drive for a half-bridge inverter |
| 01/29/2004 | CA2493285A1 High-voltage discharge lamp operating device |
| 01/28/2004 | EP1385360A1 Inverter system and fault current detection method therefor |
| 01/28/2004 | EP1385359A1 Remote controlled electronic ballast for high pressure gas discharge lamps via power line carrier |
| 01/28/2004 | EP1385358A1 Starter circuit for HID lamp |
| 01/28/2004 | EP1384393A1 Circuit arrangement for discharge lamp comprising a resonant half-bridge converter driven by a class-e driver |
| 01/28/2004 | CN1471696A Energy-saving light marking device with low power consumption |
| 01/28/2004 | CN1471351A Apparatus for controlling fluorescent lamp and scanning device having same |
| 01/28/2004 | CN1471350A Discharge lamp igniting device and light appliance |
| 01/28/2004 | CN1471349A Discharge lamp igniting device lighting device |
| 01/28/2004 | CN1471348A Light-emitting control device, back light device, liquid crystal display device, liquid crystal monitor and liquid crystal television |
| 01/28/2004 | CN1471347A Power supply circuit, especially for discharge lamp |
| 01/28/2004 | CN1471346A Single-pole filament-free energy-saving fluorescent lamp |
| 01/28/2004 | CN1471345A Apparatus for operating discharge lamp |
| 01/28/2004 | CN1136763C Circuit device for operating discharge lamp |
| 01/27/2004 | US6683422 Full wave sense amplifier and discharge lamp inverter incorporating the same |
| 01/27/2004 | US6683420 Switching device for operating a high-pressure discharge lamp |
| 01/27/2004 | US6683418 Inverter type illumination lighting apparatus |
| 01/27/2004 | CA2299459C Variable high frequency lamp controllers and systems |
| 01/23/2004 | CA2435296A1 Switching apparatus for operating discharge lamps |
| 01/22/2004 | WO2004008815A1 Method and device for identifying the type of discharge lamp |
| 01/22/2004 | WO2004008814A1 Ballast circuit for operating a gas discharge lamp |
| 01/22/2004 | US20040012987 Anomaly detection circuit of inverter and electronic apparatus comprising inverter incorporating the same |
| 01/22/2004 | US20040012381 Inverter system |
| 01/22/2004 | US20040012347 Single chip ballast control with power factor correction |
| 01/22/2004 | US20040012346 Basic halogen convertor IC |
| 01/22/2004 | US20040012345 Operating device for gas discharge lamps |
| 01/22/2004 | US20040012343 Lighting control system with variable arc control including start-up circuit for providing a bias voltage supply |
| 01/22/2004 | US20040012333 Low-pressure discharge lamp with a device for switching it off at the end of its service life |
| 01/21/2004 | EP1383358A1 Safety output device of electronic ballast |
| 01/21/2004 | EP1382228A1 Inverter circuit with coupled inductor for lcd backlight |
| 01/21/2004 | CN1469695A Current transformer driving several discharge lamp tubes |
| 01/21/2004 | CN1469185A Discharge illuminating device |
| 01/21/2004 | CN1135685C Circuit apparatus with piezoelectric transformer |
| 01/21/2004 | CN1135683C Circuit apparatus |
| 01/20/2004 | US6680588 Low noise backlight system for use in display device and method for driving the same |
| 01/20/2004 | US6680587 Electronic ballast with adaptable charge pump power factor correction |
| 01/20/2004 | US6680585 Method and apparatus for modulating HID ballast operating frequency using DC bus ripple voltage |
| 01/20/2004 | US6680584 Device for driving discharge lamp |
| 01/20/2004 | US6680583 Sign lamp lighting transformer with protective functions |
| 01/20/2004 | US6680582 System and method for employing pulse width modulation for reducing vertical segregation in a gas discharge lamp |
| 01/19/2004 | CA2429424A1 Ballast with protection circuit for preventing inverter startup during an output ground-fault condition |
| 01/15/2004 | WO2004006632A1 Discharge lamp lighting device |
| 01/15/2004 | WO2004006631A1 Automatic backup system for highway lighting |
| 01/15/2004 | WO2004006630A1 Adaptive ballast control ic |
| 01/15/2004 | WO2003079130A3 Lamp power measurement circuit |
| 01/15/2004 | WO2003030340A3 Adaptable inverter |
| 01/15/2004 | WO2002056643A9 Sequential burst mode activation circuit |
| 01/15/2004 | US20040008526 Inverter circuits |
| 01/15/2004 | US20040008176 Brightness control device and a monitor |
| 01/15/2004 | US20040007994 System and method for electronic ballast design |
| 01/15/2004 | US20040007993 Rf wireless remote-control brightness-adjustable energy-saving lamp |
| 01/15/2004 | US20040007992 Adaptive ballast control IC |
| 01/15/2004 | US20040007991 Apparatus for controlling fluorescent lamp and scanning apparatus having the same |
| 01/15/2004 | US20040007986 Self-oscillating constant-current gas discharge device lamp driver and method |
| 01/15/2004 | US20040007982 Automatic backup system for highway lighting |
| 01/15/2004 | DE10324061A1 Zündvorrichtung für Hochdruck-Entladungslampe und Leuchtkörper unter Einsatz derselben Ignition device for high-pressure discharge lamp and luminaire using the same |
| 01/15/2004 | DE10228742A1 Versorgungsschaltung, insbesondere für Entladungslampe Supply circuit, in particular for discharge lamp |
| 01/14/2004 | EP1380192A2 Circuit arrangement |
| 01/14/2004 | CN2599900Y 电子镇流器 Electronic Ballast |
| 01/14/2004 | CN1467994A Apparatus for and method of reducing energy consumption |
| 01/14/2004 | CN1467558A Flash lamp unit |
| 01/14/2004 | CN1134820C Discharge lamp and lighting fixtures comprising secondary side of piezotransformer as electrode |
| 01/13/2004 | US6677719 Ballast circuit |
| 01/13/2004 | US6677718 HID electronic ballast with glow to arc and warm-up control |
| 01/13/2004 | US6677717 Power supply apparatus of lighting system using microwave |
| 01/13/2004 | US6677716 Operating device for gas discharge lamp |
| 01/13/2004 | US6677715 Portable electronic ballast |
| 01/08/2004 | WO2004004425A1 Bulb-shaped electrodeless fluorescent lamp and electrodeless discharge lamp operating device |
| 01/08/2004 | WO2004004424A1 Discharge lamp device and backlight |
| 01/08/2004 | US20040004596 Apparatus of driving light source for display device |
| 01/08/2004 | US20040004451 Vehicle lighting fixture |
| 01/08/2004 | US20040004450 Multiple-lamp backlight inverter |
| 01/08/2004 | US20040004449 Device for operating a high pressure discharge lamp |
| 01/08/2004 | US20040004448 Device for operating a high pressure discharge lamp |
| 01/08/2004 | US20040004447 Electronic ballast with full bridge circuit |
| 01/08/2004 | US20040004442 Discharge-lamp lighting circuit |
| 01/08/2004 | US20040004438 Metal halide lamp and automotive headlamp apparatus |
| 01/08/2004 | US20040004422 Method and apparatus for heat pipe cooling of an excimer lamp |
| 01/08/2004 | DE10325514A1 Vorrichtung und Verfahren zum Haltern einer Quecksilberquelle in Niederdruck-Entladungslampen Apparatus and method for supporting a source of mercury in low-pressure discharge lamps |
| 01/08/2004 | DE10318870A1 Verfahren zur Vorabschätzung der Lebensdauer einer Edelgas-Entladungslampe sowie System für eine Vorabschätzung der Lebensdauer einer Edelgas-Entladungslampe A method for preliminary estimation of the life of a noble gas discharge lamp and system for a preliminary estimate of the life of a noble gas discharge lamp |
| 01/08/2004 | DE10315005A1 Lampen-Steuersystem Lamp control system |
| 01/08/2004 | DE10226973A1 Vorschaltgerät für Lampen Ballast for lamps |
| 01/08/2004 | DE10225881A1 Entladungslampenbetriebsschaltung mit Schaltung zur Detektion der Nähe zu einem kapazitiven Betrieb A discharge lamp driving circuit having circuitry for detecting the proximity to capacitive operation |
| 01/07/2004 | EP1379112A1 Device for operating a high pressure discharge lamp |
| 01/07/2004 | EP1379111A1 Lighting device capable of adjusting brightness and color of light |
| 01/07/2004 | EP1379110A1 Device for operating a high pressure discharge lamp |
| 01/07/2004 | EP1379109A1 Controller circuit for a half-bridge converter |
| 01/07/2004 | EP1378883A1 Apparatus of driving light source for display device |
| 01/07/2004 | EP1377888A1 Digital dimming fluorescent ballast |
| 01/07/2004 | EP1147686B1 Flyback converter as led driver |
| 01/07/2004 | CN2598300Y 电子镇流器 Electronic Ballast |
| 01/07/2004 | CN2598299Y Electronic rectifier for efficient energy-saving halogenating lamp and sodium lamp |
| 01/07/2004 | CN2598298Y AC electronic ballast for high-pressure sodium lamp |