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)
10/2002
10/16/2002	CN1374823A Electronic ballast protector
10/16/2002	CN1374548A Cold-cathode fluorescent tube lighting apparatus and its driving method and corresponding liquid crystal display device
10/15/2002	US6466456 Converter with resonant circuit elements for determing load type
10/15/2002	US6466196 Method of driving backlight, circuit for driving backlight, and electronic apparatus
10/15/2002	US6465991 Switchable power converter with coupled inductor boost and coupled inductor SEPIC for multiple level input line power factor correction
10/15/2002	US6465972 Electronic elimination of striations in linear lamps
10/15/2002	US6465971 Plastic “trofer” and fluorescent lighting system
10/15/2002	US6465959 Method and apparatus for improved electrodeless lamp screen
10/10/2002	WO2002080630A1 Apparatus and method for driving a high intensity discharge lamp
10/10/2002	WO2002080629A1 Circuit arrangement
10/10/2002	WO2002080628A1 Lighting device
10/10/2002	WO2002079890A1 Digital dimming fluorescent ballast
10/10/2002	WO2002079692A1 Microwave excited ultraviolet lamp with optical component
10/10/2002	WO2002063930A3 A modified electronic ballast for a fluorescent lamp
10/10/2002	WO2002063206A3 Apparatus and methods relating to wavelength conditioning of illumination
10/10/2002	WO2002041481A3 Dc-dc converter with reduced input current ripples
10/10/2002	US20020145887 Inverter device
10/10/2002	US20020145886 Power inverter for driving alternating current loads
10/10/2002	US20020145393 Novel circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps
10/10/2002	DE10115357A1 Controller for flash lamps used in decorative and advertisement purpose, has decoder at input, resistive capacitor charging circuit and power source connected to high voltage charging/discharging circuit
10/09/2002	EP1248498A1 Method and apparatus for operating a discharge lamp
10/09/2002	EP1247432A1 Electronic ballast and electronic transformer
10/09/2002	EP0940063B1 Lamp driver circuit and method
10/09/2002	CN2515920Y Light-adjusting high frequency illumianting device for fluorescent lamp
10/09/2002	CN2515919Y Adjustable light fluorescent lamp device using mached with silicon controlled PM light modulator
10/09/2002	CN1373632A Voltage-limiting current-stabilizing device for fluorescent lamp of aircraft
10/09/2002	CN1373496A Lamp assembly, light providing device, liquid crystal display and lighting and mounting method therefor
10/08/2002	US6462485 EL driver for small semiconductor die
10/08/2002	US6462477 High pressure discharge lamp
10/08/2002	US6462476 Lighting system with a high-pressure discharge lamp
10/08/2002	US6461520 User-activated ultra-violet water treatment unit
10/03/2002	WO2002078406A1 Electric discharge lamp and electric discharge lamp drive apparatus
10/03/2002	WO2002078405A2 Panic protection from fault conditions in power converters
10/03/2002	WO2002078404A2 Capacitively coupled fluorescent lamp package
10/03/2002	WO2002078403A1 System for driving a capacitively coupled fluorescent lamp
10/03/2002	WO2002078402A1 Device for operating discharge lamp
10/03/2002	WO2002077740A1 Electronic ballast for cold cathode fluorescent lamp with dimming
10/03/2002	WO2002077739A1 Electronic dimmable ballast for high intensity discharge lamp
10/03/2002	WO2002077738A1 Single-stage pfc + ballast control circuit/general purpose power converter
10/03/2002	WO2002077675A2 Multi-element electron-transfer optical detector system
10/03/2002	US20020141207 Current control circuit
10/03/2002	US20020141176 Method of modifying the spectral distribution of high-intensity ultraviolet lamps
10/03/2002	US20020141129 Electronic ballast for cold cathode fluorescent lamp with phase control dimming
10/03/2002	US20020141128 Panic protection from fault conditions in power converters
10/03/2002	US20020140538 Method of winding coil and transformer and inverter liquid crystal display having coil wound using the same
10/03/2002	US20020140377 Single ballast for powering at least one high intensity discharge lamp
10/03/2002	US20020140376 Discharge lamp lighting apparatus and luminaire using the same
10/03/2002	US20020140375 High-power electronic ballast for fluorescent lamp
10/03/2002	US20020140374 System and method for generating a discharge in high pressure gases
10/03/2002	US20020140373 Dimming ballast for compact fluorescent lamps
10/03/2002	US20020140372 Circuit arrangement
10/03/2002	US20020140371 Integrated circuit for lamp heating and dimming control
10/03/2002	US20020140370 Driving a hid lamp
10/03/2002	US20020140369 Circuit arrangement for operating electric lamps
10/03/2002	US20020140357 Fluorescent lamp driver circuit
10/02/2002	EP1246512A2 Headlamp device for a high pressure discharge lamp in a vehicle
10/02/2002	EP1245136A1 Device for illuminating a liquid crystal screen
10/02/2002	EP0834241B1 Circuit arrangement
10/02/2002	DE10162909A1 Entladungslampen - Beleuchtungsversorgungsschaltung Discharge lamps - lighting supply circuit
10/02/2002	DE10116254A1 Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug Headlamp arrangement for a high pressure gas discharge lamp in a motor vehicle
10/02/2002	DE10112115A1 Dimmer adapter device for gas discharge lamps, especially fluorescent lamps, has heating branch connected to a.c. source to supply electrode heating, voltage limiter in heating branch
10/02/2002	DE10112114A1 Control device for use with gas discharge lamp with variable brightness has choke to receive and create digital guiding signal for determining specific lamp brightness and intermediate signal for emitting resolution signal.
10/02/2002	CN2514621Y Intelligent light modulator for fluorescent lamp
10/02/2002	CN2514620Y Power supply apparatus of energy-saving lamp capable of step light modulating
10/02/2002	CN2514619Y Electronic ballast for fluorescent lamp
10/02/2002	CN2514618Y Electronic ballast of double lamp tube oscillating signal shunt sampling
10/02/2002	CN1372782A Lamp ignition with autoamtic compensation for plastic capacitance
10/02/2002	CN1091942C Discharge lamp having light-transmissive conductive coating for RF containment and heating
10/01/2002	US6459216 Multiple CCFL current balancing scheme for single controller topologies
10/01/2002	US6459215 Integral lamp
10/01/2002	US6459214 High frequency/high power factor inverter circuit with combination cathode heating
10/01/2002	US6459213 Ballast for parallel-connected lamps
10/01/2002	US6459204 Dual-element 3-way compact fluorescent lamp
09/2002
09/26/2002	WO2002076154A1 Mixed mode control for ballast circuit
09/26/2002	WO2002076153A1 Ballast device for uv emitter and method and device for disinfection of water
09/26/2002	WO2002076152A1 Improved current control circuit
09/26/2002	WO2002076151A1 Arc maintenance device for high density discharge lamps including an adaptive waveform monitor
09/26/2002	US20020135763 Apparatus and methods relating to wavelength conditioning of illumination
09/26/2002	US20020135326 Plastic border for cathodes
09/26/2002	US20020135324 Method and device for lighting ultra-high pressure discharge lamps
09/26/2002	US20020135321 Microwave powered lamp with improved cooling system
09/26/2002	US20020135320 Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatus
09/26/2002	US20020135319 Method and system for driving a capacitively coupled fluorescent lamp
09/26/2002	US20020135318 El driver for small semiconductor die
09/26/2002	US20020135317 Power supply for lamps
09/26/2002	US20020135316 Capacitively coupled fluorescent lamp package
09/26/2002	US20020135304 High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor
09/26/2002	DE10113903A1 Ultraviolet water disinfecting action triggered by relay unit operating two heater coils in parallel
09/26/2002	CA2439957A1 Arc maintenance device for high density discharge lamps including an adaptive waveform monitor
09/25/2002	EP1244338A1 Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatus having an output current limiting means in the preheating circuit
09/25/2002	EP1244337A1 Lighting system with an electrified line and a plurality of lighting fixtures connected to it
09/25/2002	EP1243165A1 Circuit for operating a gas discharge lamp
09/25/2002	EP1016206B1 Control circuit and method for piezoelectric transformer
09/25/2002	CN2513318Y DC desk lamp
09/25/2002	CN2513225Y Color changing neon lamp
09/25/2002	CN1371237A Multiple lamp tube driving system
09/25/2002	CN1371162A Current converter and lamp ignition with current converter
09/25/2002	CN1371120A Well-started discharge lamp
09/25/2002	CN1370804A Insulating film
09/24/2002	US6456797 Electronic flash unit with alternative capacitor switching

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