H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps

Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
12/2002
12/05/2002	US20020180383 Electronic HID ballast and a PPM method of preventing acoustic arc resonance
12/05/2002	US20020180381 Device for operating a dielectric barrier discharge lamp
12/05/2002	US20020180380 High-efficiency adaptive DC/AC converter
12/05/2002	US20020180379 High efficiency high power factor electronic ballast
12/05/2002	US20020180378 Electronic switch for a bi-level fluorescent lamp fixture
12/05/2002	US20020180377 Discharge lamp operating apparatus and self-ballasted electrodeless discharge lamp
12/05/2002	US20020180376 Appliance for discharge lamps with reliable starting
12/05/2002	US20020180375 Electronic starter for fluorescent lamps
12/05/2002	US20020180356 Sulfur lamp
12/05/2002	US20020179817 Illumination management system
12/05/2002	US20020179815 Lighting control circuit
12/05/2002	DE10126958A1 Flüssigkristallbildschirm mit verbesserter Hintergrundbeleuchtung Liquid crystal display with improved backlight
12/05/2002	DE10126011A1 Verfahren zum Start einer Entladungslampe A method for starting a discharge lamp
12/05/2002	DE10125510A1 Leuchtstofflampenschaltung Fluorescent lamp circuit
12/04/2002	EP1263267A2 Method for starting a discharge lamp
12/04/2002	EP1263266A1 Device for operating a dielectric barrier discharge lamp
12/04/2002	EP1263021A1 Liquid crystal display with improved backlight
12/04/2002	EP1262092A1 Driving serially connected high intensity discharge lamps
12/04/2002	EP1262090A1 Lighting system
12/04/2002	EP0839438B1 Ballast
12/04/2002	CN1383704A 电路装置 Circuit device
12/04/2002	CN1383703A 电路装置 Circuit device
12/04/2002	CN1383702A Discharge lamp lighting device
12/04/2002	CN1383701A Ignition circuitry
12/03/2002	US6489732 Discharge lamp lighting circuit
12/03/2002	US6489731 Power supply and/or ballast system controlled by desired load power spectrum
12/03/2002	US6489730 Discharge-lamp illumination circuit
12/03/2002	US6489729 Auxiliary lighting system for high intensity discharge lamp
11/2002
11/30/2002	CA2352716A1 System for testing the presence of an ignitor pulse within a high intensity discharge luminaire
11/28/2002	WO2002096163A2 Fluorescent lamp circuit
11/28/2002	WO2002071689A3 Method and system for assigning and binding a network address of a ballast
11/28/2002	US20020176268 Inverter transformer
11/28/2002	US20020175640 Digital controlled electronic ballast with piezoelectric transformer
11/28/2002	US20020175639 Closed loop lighting control system
11/28/2002	US20020175637 Remote control of electronic light ballast and other devices
11/28/2002	US20020175636 Discharge lamp lighting device
11/28/2002	US20020175629 Method for starting a discharge lamp
11/28/2002	DE10123541A1 Electrical torch uses high intensity discharge bulb powered by batteries via a power electronics
11/28/2002	CA2383335A1 Method for starting a discharge lamp
11/27/2002	EP1261240A1 Apparatus for discharge lamps with safe ignition
11/27/2002	EP1260854A2 Lens-fitted photo film unit with electronic flash device
11/27/2002	CN2523170Y Direct-current fluorescent lamp
11/27/2002	CN2523169Y Electronic ballast case
11/27/2002	CN2523000Y Multi-waveband refernece ballast for gas discharge lamp
11/26/2002	US6486714 Half-bridge inverter circuit
11/26/2002	US6486621 Electronic system for generating and controlling light effects on projectors
11/26/2002	US6486620 Discharge lamp lighting circuit
11/26/2002	US6486618 Adaptable inverter
11/26/2002	US6486617 Device for controlling light sources having a ballast
11/26/2002	US6486616 Dual control dimming ballast
11/26/2002	US6486615 Dimming control of electronic ballasts
11/26/2002	US6486614 Discharge lamp lighting device
11/26/2002	US6486613 Reducing the clamping voltage of operating devices for gas discharge lamps
11/26/2002	US6486612 Control circuit and method for protecting a piezoelectric transformer from an open state and a short-circuited state
11/26/2002	US6486594 Structure of plasma lamp of microwave illumination apparatus
11/21/2002	WO2002093985A1 The kind of electronic ballast which is suitable for compact fluorescent lamps with harmonic distortion
11/21/2002	WO2002093984A1 Discharge lamp lighting device and system comprising it
11/21/2002	WO2002093983A1 Electronic ballast
11/21/2002	US20020172042 Lighting fixture
11/21/2002	US20020171753 Method and device for controlling quantity of light from flash lamp externally attached to digital camera
11/21/2002	US20020171527 Socket for lamp transformer for lamp, and method of manufacturing transformer for lamp
11/21/2002	US20020171379 Networkable power controller
11/21/2002	US20020171376 Method for starting a discharge lamp using high energy initial pulse
11/21/2002	US20020171372 Electronic flash device of automatic light adjusting type
11/21/2002	US20020171368 Control system for microwave powered ultraviolet light sources
11/21/2002	DE10125212A1 Glimmzünder Glow igniter
11/21/2002	DE10124636A1 Discharge lamp operating device has generator that outputs voltage with period multiplied by resonant frequency approximately natural number greater than 1, pulse length in defined range
11/21/2002	DE10122409A1 Electrical light regulator for vehicle involves extrapolating future value of supply voltage to which pulse-pause ratio is set from current value of supply voltage
11/20/2002	EP1259100A2 Control system for microwave powered ultraviolet light sources
11/20/2002	EP1259099A2 Glow starter
11/20/2002	CN2521867Y Fluorescent lamp starter
11/20/2002	CN2521866Y Electronic startor
11/20/2002	CN1381158A High power factor electronic ballast
11/20/2002	CN1381157A 电子镇流器 Electronic Ballast
11/20/2002	CN1380810A Strobotron with feedback based on processor
11/20/2002	CN1094647C Ring fluorescent lamp and illuminating lamps and lanterns
11/19/2002	US6483260 Apparatus for operating respective single lamps among multiple lamps coupled to the same ballast
11/19/2002	US6483259 Method and apparatus for determining power frequencies that cause arc instabilities in discharge lamps
11/19/2002	US6483257 Ignitor pulse variable reduction method and apparatus
11/19/2002	US6483256 Operating device for discharge lamps with switch relief for the preheating of electrode filaments
11/19/2002	US6483253 Light source
11/19/2002	US6483252 Optimal FM for HF operation of high intensity discharge (HID) lamps
11/18/2002	CA2383331A1 Appliance for discharge lamps with reliable starting
11/16/2002	CA2361839A1 Lighting fixture
11/14/2002	WO2002091806A1 Pulse-width modulation for operating high pressure lamps
11/14/2002	WO2002090114A1 A dual lamp system for manufacturing dvd
11/14/2002	US20020167386 Operating device for light sources having cost-effective wound items
11/14/2002	US20020167385 Transformer with integrated inductor
11/14/2002	US20020167284 Light source device
11/14/2002	US20020167282 High frequency inductive lamp and power oscillator
11/14/2002	US20020167281 Circuit arrangement
11/14/2002	US20020167264 Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire
11/14/2002	US20020167263 Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire
11/14/2002	DE10122686A1 Betriebsgerät für Lichtquellen mit kostengünstigen Wickelgütern Operating device for light sources with cost coilware
11/14/2002	CA2446196A1 A dual lamp system for manufacturing dvd
11/13/2002	EP1257154A2 Light source device
11/13/2002	EP1257153A2 Apparatus for light sources with cheap winding technology
11/13/2002	CN2520625Y Lighting device of automatic switching from fluorescent lamp to LED vice versa
11/13/2002	CN2520624Y Digital high-pressure sodium lamp electronic ballast with communication function
11/13/2002	CN2520173Y Sterilizing lamp for vehicle

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