Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › 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)
01/2001
01/02/2001US6169373 Work light
01/02/2001US6169369 Low cost, precision electronic starter
01/02/2001US6167626 Dust collection port for use with a saw
12/2000
12/28/2000WO2000079841A1 Reduction of vertical segregation in a discharge lamp
12/28/2000WO2000078681A2 Point-of-use water treatment system
12/28/2000WO2000078678A2 Fluid treatment system with electromagnetic radiation
12/28/2000DE19928438A1 Verfahren zum Betrieb einer Entladungslampe Method for operating a discharge lamp
12/28/2000DE19923945A1 Elektronisches Vorschaltgerät für mindestens eine Niederdruck-Entladungslampe Electronic ballast for at least one low-pressure discharge lamp
12/28/2000CA2541462A1 Fluid treatment system
12/27/2000EP1063870A1 Improvements to discharge lamp starting modules in car headlamps
12/27/2000EP1063682A1 Method for driving a discharge lamp
12/27/2000EP1062847A1 Ballast having a reactive feedback circuit
12/27/2000CN2412349Y Light regulator of energy saving lamp
12/27/2000CN2412348Y Multifunctional light regulator for fluorescent lamp
12/27/2000CN2412347Y Non-polar fluorescent lamp ballast
12/26/2000US6167199 Information transmitting apparatus using flash light emission
12/26/2000US6166495 Square wave ballast for mercury free arc lamp
12/26/2000US6166494 Drive circuit arrangement for a gas discharge lamp
12/26/2000US6166492 Low loss, electronic ballast
12/26/2000US6166491 Lighting device and display equipment
12/23/2000CA2312132A1 Method for operating a discharge lamp
12/21/2000DE19934687A1 Elektronisches Vorschaltgerät für mindestens eine Niederdruck-Entladungslampe Electronic ballast for at least one low-pressure discharge lamp
12/21/2000DE19928042A1 Verfahren zum Betreiben mindestens einer Leuchtstofflampe sowie elektronisches Vorschaltgerät dafür Method for operating at least one fluorescent lamp and electronic ballast for
12/21/2000DE19912981C1 Supply of a wide range of plasmas e.g. for use in biological processes by supplying a barrier discharge using sequentially adjustable phases
12/20/2000EP1061780A2 Surgery light source with discharge lamps
12/20/2000EP1061779A2 Method and electronic ballast for operating one or more fluorescent lamps
12/20/2000EP1061407A1 Strobe flash photographic illumination
12/20/2000EP1060643A1 Electronic lamp ballast
12/20/2000EP1060495A1 Microwave assisted flashlamps
12/20/2000CN2411648Y High-voltage automatic switch special for protective circuit of electronic ballast in abnormal state
12/20/2000CN1277794A Circuit arrangement
12/20/2000CN1277536A Igniting apparatus for discharge lamp
12/20/2000CN1277535A Igniting and illuminating apparatus for high-voltage discharge lamp
12/20/2000CN1277449A Low-voltage mercury vapour discharge lamp
12/19/2000US6163115 High-pressure discharge lamp lighting apparatus system
12/19/2000US6163114 Starting circuit for low-pressure discharge lamp
12/18/2000CA2311891A1 Method for operating at least one fluorescent lamp, and electronic ballast therefor
12/14/2000WO2000075959A1 Fluorescent lamp
12/14/2000DE19926690A1 Operationsleuchte mit Entladungslampen Operation lamp with discharge lamps
12/14/2000DE19925795A1 Gas discharge lamp drive circuit has current-compensated choke between feed and return lines to/from lamp with which electromagnetic noise caused by ignition pulses is suppressed
12/13/2000EP1059017A1 Electronic dimming ballast
12/13/2000CN2410846Y Ballast for fluorescent lamp
12/12/2000US6160962 Camera with lens barrier apparatus
12/12/2000US6160362 Ignition scheme for a high intensity discharge lamp
12/12/2000US6160361 For improvements in a lamp type recognition scheme
12/12/2000US6160358 Ballast circuit with lamp current regulating circuit
12/12/2000US6160357 Bridge commutator with separate drive oscillator for electrodeless lamps
12/12/2000US6160356 Strobo system used for camera
12/07/2000DE19925232A1 Lamp arrangement emits reduced noise field so that it can be operated at high frequencies, esp. above 10 MHz
12/07/2000DE19924566A1 Fluorescent lamp circuit for automobile
12/07/2000DE10026070A1 Ballast for a discharge lamp includes a voltage converter assembly integrated into the discharge circuit formed from transistor arrays
12/07/2000DE10016743A1 Light source control apparatus for image input device, has invertor control circuit controlling current flowing in cold cathode fluorescent lamp based on feedback signal from charge coupled device
12/06/2000EP1058488A1 Ignition circuit for a lamp
12/06/2000EP1058487A1 System for and method of operating a discharge lamp
12/06/2000EP1057383A1 Ballast circuit
12/06/2000EP1057382A1 High frequency electronic ballast for multiple lamp independent operation
12/06/2000EP1057381A1 Lamp ballast
12/06/2000EP1057380A1 Dimmable electronic ballast
12/06/2000EP1057379A1 A method and apparatus for lamp control
12/06/2000EP1057378A1 Drive scheme for low pressure gas discharge lamps
12/06/2000EP1057377A1 Circuit arrangement
12/06/2000EP1057376A1 Circuit arrangement
12/06/2000EP1057375A1 Circuit arrangement
12/06/2000EP1057374A1 Self-oscillating resonant converter with passive filter regulator
12/06/2000EP1057373A1 Electronic ballast
12/06/2000EP1057372A1 Dimmable electronic ballast with single stage feedback inverter
12/06/2000EP1057371A1 Ballast feedback scheme
12/06/2000EP1057370A1 Lamp driven voltage transformation and ballasting system
12/06/2000EP1057247A1 Ac power converter
12/06/2000EP1057246A1 D.c.-d.c. converter with a transformer and a reactance coil
12/06/2000EP0956742A4 Electronic ballast with lamp current valley-fill power factor correction
12/06/2000CN2409744Y DC energy-saving fluorescent lamp
12/06/2000CN2409743Y Durable electronic starter for fluorescent lamp
12/06/2000CN2409415Y Photo-controlled electronic energy-saving lamp with adjustable direction light sensor
12/06/2000CN1275879A Ballast for electric discharge lamp
12/06/2000CN1059295C Power supply apparatus
12/06/2000CN1059264C Timing self-checking type ac-dc auto-converting fluorescent lamp
12/05/2000US6157144 Sequentially-activated multiple flashlamp lamphouse system and method
12/05/2000US6157143 Fluroescent lamps at full front surface luminance for backlighting flat panel displays
12/05/2000US6157142 Hid ballast circuit with arc stabilization
12/05/2000US6157141 A microwave power lamp filled with a concentration of from 0.5 to 50 milligrams per cubic centimeter of a metal halide, an inert buffer gas and no alkali atomic species
12/05/2000US6157134 Lead wires for improved starting of compact fluorescent lamp systems
12/05/2000US6157129 Discharge lamp
12/05/2000US6157093 Modular master-slave power supply controller
11/2000
11/30/2000WO2000072642A1 Electronic ballast for at least one low-pressure discharge lamp
11/30/2000WO2000072641A1 Circuit arrangement
11/30/2000WO2000072640A1 Electronic ballast for at least one low-pressure discharge lamp
11/30/2000WO2000072639A1 System for promoting passive end of life light source failure
11/30/2000WO2000071227A1 User-activated ultra-violet water treatment unit
11/30/2000WO1999057749A3 Cold cathode fluorescent lamp and display
11/30/2000DE19924097A1 Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug Circuit for operating an alternating current high pressure gas discharge lamp for a motor vehicle
11/30/2000DE19924095A1 Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug Circuit for operating an alternating current high pressure gas discharge lamp for a motor vehicle
11/30/2000DE10013757A1 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp
11/29/2000EP1056316A2 Electrodeless fluorescent lamp dimming system
11/29/2000EP1056315A2 Circuit for operating AC high pressure discharge lamps for a vehicle
11/29/2000EP1056314A2 Circuit for operating AC high pressure discharge lamps for a vehicle
11/29/2000EP1056188A2 Power factor correction circuit
11/29/2000EP0769239B1 Fluorescent lamp ballast with lamp-out protection circuit
11/29/2000CN2408645Y High efficiency energy saving ballast for road sodium lamp
11/29/2000CN1275045A High-efficiency fluorescent tube electronic ballast
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