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)
10/2001
10/31/2001	EP1149517A1 Circuit device
10/31/2001	EP1149516A1 Ballast circuit
10/31/2001	EP1149515A1 Circuit arrangement
10/31/2001	EP1149514A1 Circuit device for operating a discharge lamp by means of a high-frequency current
10/31/2001	EP1149513A1 Circuit arrangement to operate high voltage discharge lamps
10/31/2001	EP1149512A1 Circuit device to adapt high power gas discharge lamps
10/31/2001	EP1149511A2 Digital power controller
10/31/2001	EP0927506B1 Lighting system comprising a dielectric barrier discharge lamp and a circuit for generating voltage pulse sequences
10/31/2001	EP0839437B1 Circuit arrangement
10/31/2001	EP0836793B1 Power supply for feeding and igniting a discharge lamp
10/31/2001	EP0792570B1 Circuit for starting and operating a high-pressure gas discharge lamp operated by a controlled a.c. current
10/31/2001	EP0784912B1 Circuit arrangement
10/31/2001	EP0779016B1 Circuit arrangement
10/31/2001	EP0772956B1 Circuit arrangement
10/31/2001	EP0759265B1 Switching device
10/31/2001	EP0752197B1 Method for igniting and operating a high-pressure discharge lamp and a circuit for performing the method
10/31/2001	CN2457840Y Electronic energy saving lamp holder
10/31/2001	CN2457839Y High brightness fluorescent lamp tube driver
10/31/2001	CN2457838Y Structure for connecting multiple HID lamps
10/31/2001	CN1320356A Reduction of vertical segregation in a discharge lamp
10/31/2001	CN1320272A Dimmable discharge lamp for dielectrically impeded discharges
10/31/2001	CN1320271A Discharge lamp for dielectrically impeded discharges with improved electrode configuration
10/31/2001	CN1319878A Ignitor for discharge lamp and equipment thereof
10/30/2001	US6310790 High frequency DC-DC down converter with power feedback for improved power factor
10/30/2001	US6310447 Method for operating at least one fluorescent lamp, and electronic ballast therefor
10/30/2001	US6310446 Method for adjusting at least one operating parameter of an operating unit for electric lamps
10/30/2001	US6310444 Multiple lamp LCD backlight driver with coupled magnetic components
10/30/2001	US6310443 Jacketed lamp bulb envelope
10/30/2001	US6310440 System for individual and remote control of spaced lighting fixtures
10/25/2001	WO2001080606A1 Methods and systems for providing emission of incoherent radiation and uses therefor
10/25/2001	WO2001080605A1 Igniter circuitry for gaseous discharge lamps
10/25/2001	WO2001080271A2 Microwave excited ultraviolet lamp system with improved lamp cooling
10/25/2001	WO2001079922A1 Backlight including external electrode fluorescent lamp and method for driving the same
10/25/2001	US20010034148 Light fittings for retrofitting large-diameter inductive fluorescent lamps to smaller-diameter electronic T5-lamps
10/25/2001	US20010033141 Switching device
10/25/2001	US20010033140 Discharge lamp lighting circuit
10/25/2001	DE10016982A1 Verfahren zur Speisung eines UV-Licht-Niederdruckstrahlers und Vorschaltgerät zur Speisung eines UV-Licht-Niederdruck-Strahlers A method for supplying a UV light low-pressure radiator and ballast for supplying a UV light low-pressure radiator
10/25/2001	CA2406194A1 Methods and systems for providing emission of incoherent radiation and uses therefor
10/24/2001	EP1148768A2 Stabilization of gas dicharge lamps operation
10/24/2001	EP1147689A2 Current fed, parallel resonant ballast
10/24/2001	EP1147686A1 Flyback converter as led driver
10/24/2001	EP0834187B1 Electrodeless low-pressure discharge lamp
10/24/2001	CN2456439Y Fluorescent light with composite electronic ballast
10/24/2001	CN2456438Y Low voltage fluorescent ignitor
10/24/2001	CN1319322A Modular high frequency ballast architecture
10/24/2001	CN1318969A Synchronous lamp ignitor
10/24/2001	CN1318968A AC/AC converter for gas discharge lamp
10/23/2001	US6307765 Method and apparatus for controlling minimum brightness of a fluorescent lamp
10/23/2001	US6307761 Single stage high power-factor converter
10/23/2001	US6307331 Multiple sensor lux reader and averager
10/23/2001	US6307329 Circuit arrangement
10/23/2001	US6307316 Fluorescent lamp with replaceable light element
10/18/2001	WO2001078468A1 Energy converter comprising a control circuit
10/18/2001	WO2001078467A1 Ballast with peak detector
10/18/2001	WO2001078466A1 Lamp ballast with non-linear resonant inductor
10/18/2001	WO2001078465A1 Method and ballast for feeding a uv light low pressure radiator
10/18/2001	WO2001078212A1 Emergency lighting system
10/18/2001	US20010030515 Stabilizing the operation of gas discharge lamps
10/18/2001	US20010030514 Discharge lamp operating apparatus
10/18/2001	DE10115279A1 Discharge lamp lighting device detects HF current or voltage for feedback regulation of switching device in HF generator for restoring normal operation of discharge lamp
10/18/2001	DE10018860A1 Stabilisierung des Betriebs von Gasentladungslampen Stabilization of the operation of gas discharge lamps,
10/18/2001	DE10016035A1 Verfahren und Vorschaltgerät zum Dimmen einer mit einer Leuchtstofflampe versehenen Leuchte Method and a dimming ballast provided with a fluorescent lamp fixture
10/17/2001	EP1146779A2 Starting device for discharge lamp
10/17/2001	EP1145604A1 Electronic ballast circuit
10/17/2001	EP1145400A2 Ground fault protection circuit
10/17/2001	EP1040731B1 Power device for illuminated light box
10/17/2001	EP0811306B1 Starter for a high-pressure gas-discharge lamp
10/17/2001	EP0791281B1 System for operating a lamp
10/17/2001	EP0754399B1 Circuit arrangement for ignition of a high intensity discharge lamp
10/17/2001	EP0716801B1 Single touch flash charger control
10/17/2001	CN2455039Y High-frequency double-pump type electronic ballst
10/17/2001	CN2455038Y Ballast frosted bulb
10/17/2001	CN2454900Y Strobe-free dc. fluorescent lamp
10/17/2001	CN1317923A Electronic ballast for gas discharge lamp as cold light source powered by safe voltage
10/16/2001	US6304465 Power regulator using active filter
10/16/2001	US6304464 Flyback as LED driver
10/16/2001	US6304041 Self-oscillating dimmable gas discharge lamp ballast
10/16/2001	US6303916 Systems and methods for generating reproducible illumination
10/14/2001	CA2344052A1 Stabilizing the operation of gas discharge lamps
10/11/2001	WO2001076325A1 Method and ballast for dimming a light fitted with a fluorescent lamp (l)
10/11/2001	WO2001076324A1 High power factor electronic ballast
10/11/2001	WO2001075936A1 Method and device for operating a uv-radiation source
10/11/2001	WO2001074573A2 Ballast system for a fluorescent lamp
10/11/2001	WO2001074572A2 Apparatus and method for heating a polymerizable composition
10/11/2001	WO2001074571A2 Mold assembly holder
10/11/2001	WO2001074570A2 Apparatus and system for the production of plastic lenses
10/11/2001	WO2001074553A2 Software for operating a lens forming apparatus
10/11/2001	WO2001074135A2 Gasket and mold assembly for producing plastic lenses
10/11/2001	US20010028543 Ground fault protection circuit for discharge tube lighting circuit
10/11/2001	US20010028027 Signal Processing Apparatus
10/11/2001	CA2404631A1 Apparatus and system for the production of plastic lenses
10/11/2001	CA2403463A1 Method and device for operating a uv-radiation source
10/10/2001	EP1143482A2 Multiple reflection electrodeless lamp
10/10/2001	EP1142454A1 A high power factor electronic ballast with simplified circuit topology
10/10/2001	EP1142453A2 Kit for converting lighting units employing fluorescent lamps from inductive operation to electronic operation
10/10/2001	CN2453638Y Constant current laser power source for laser carving machine
10/09/2001	US6300777 Lamp ignition detection circuit
10/09/2001	US6300728 Method and apparatus for powering fluorescent lighting
10/09/2001	US6300726 Ballast for high-pressure gas discharge lamp
10/09/2001	US6300725 Power supply for hybrid illumination system

1 ... 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 ... 351