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)
03/2000
03/23/2000DE19842465A1 Verfahren zur Konstantlichtregelung Method for constant lighting control
03/22/2000EP0987928A1 Resonance igniter for discharge lamps
03/22/2000EP0987927A2 Process for maintaining the intensity of light constant
03/22/2000EP0987814A1 Power supply
03/22/2000EP0986937A1 Circuit arrangement
03/22/2000EP0986936A1 Circuit arrangement
03/22/2000EP0852892B1 Method and device for controlling the power of a high-pressure gas-discharge lamp
03/22/2000CN2370649Y Energy saving device for daylight lamp
03/22/2000CN2370648Y Overcurrent protective electronic ballast
03/22/2000CN2370540Y Stabilized ballast
03/21/2000US6040778 Neon power supply with midpoint ground detection and diagnostic functions
03/21/2000US6040662 Fluorescent lamp inverter apparatus
03/21/2000US6040661 Programmable universal lighting system
03/21/2000US6040659 Discharge lamp lighting device
03/21/2000US6039582 Discharge lamp ballast housing with solderless connectors
03/16/2000WO2000015013A2 Ballast circuit with lamp current regulating circuit
03/16/2000WO2000015012A2 Circuit arrangement
03/16/2000WO2000015011A1 Starter for a fluorescent lamp
03/16/2000WO2000014862A1 Circuit arrangement
03/16/2000CA2342905A1 Ballast circuit with lamp current regulating circuit
03/15/2000EP0985330A1 Ferroresonant transformer ballast for regulating the current of gas discharge lamps
03/15/2000CN2369455Y Quick dynamic controller for fluorescent light
03/15/2000CN2369454Y Energy saving lamp with ballast without magnet ring
03/15/2000CN2369453Y Energy saving color varying neon
03/15/2000CN2369452Y Light regulator for fluoescent light
03/15/2000CN2369451Y High performance low distortion high power factor electronic ballast
03/15/2000CN2369354Y Multi-tube fluorescent light controlled by central electronic ballast
03/15/2000CN1247446A Group control method for electronic ballasts with high power factor
03/15/2000CN1050494C Electronic ballatt of fluorescent lamp
03/15/2000CN1050493C High power factor electronic lamp with protector for abnormal condition
03/14/2000US6038149 Lamp discharge lighting device power inverter
03/14/2000US6037722 Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
03/14/2000US6037721 System for individual and remote control of spaced lighting fixtures
03/14/2000US6037598 Arrangement on an ultraviolet sterilization system
03/14/2000US6036377 Camera with lens barrier apparatus
03/14/2000US6035602 Foam core spacer assembly
03/14/2000CA2201653C A novel circuit for power factor and lamp efficiency
03/09/2000WO2000013472A2 Electronic ballast for a discharge lamp comprising dielectrically impeded discharges
03/09/2000WO2000013204A2 Operational method and electronic ballast for a discharge lamp comprising dielectrically impeded discharges
03/09/2000DE19839703A1 Generator circuit arrangement for creating several high DC voltages from low direct voltage, especially for ignition and energy supply of high pressure gas discharge lamps in cars, has transformer connected to voltage converter
03/09/2000DE19839336A1 Elektronisches Vorschaltgerät für Entladungslampe mit dielektrisch behinderten Entladungen Electronic ballast for discharge lamp with dielectric barrier discharges
03/09/2000DE19839329A1 Elektronisches Vorschaltgerät für Entladungslampe mit dielektrisch behinderten Entladungen Electronic ballast for discharge lamp with dielectric barrier discharges
03/09/2000CA2341854A1 Electronic ballast for discharge lamp with dielectrically impeded discharges
03/08/2000EP0984670A2 High intensity discharge lamp ballast
03/08/2000EP0984320A1 Information transmitting apparatus using flash light emission
03/08/2000CN2368254Y Wound capacity-control multipurpose ballast
03/08/2000CN2368253Y Electronic energy-saving power-supply device for high-voltage sodium lamp
03/08/2000CN2368252Y Electronic ballast for energy-saving lamp
03/08/2000CN1247015A 镇流器 Ballast
03/08/2000CN1246986A Control circuit and method for piezoelectric transformer
03/08/2000CN1246960A Discharge lamp, comprising secondary side of piezotransformer as electrode
03/08/2000CN1246776A Contact-type preheater for high-frequency electronic ballast
03/07/2000US6034490 Lighting circuit for discharge lamp
03/07/2000US6034489 Electronic ballast circuit
03/07/2000US6034488 Electronic ballast for fluorescent lighting system including a voltage monitoring circuit
03/07/2000US6034487 Lighting circuit for discharge lamp
03/07/2000US6034486 Electronic flash device
03/07/2000US6034485 Low-voltage non-thermionic ballast-free energy-efficient light-producing gas discharge system and method
03/07/2000US6034484 Piezoelectronic ballast for fluorescent lamp
03/07/2000US6034477 High-pressure discharge lamp
03/07/2000US6034471 Neon gas discharge lamp providing white light with improved phosphor
03/02/2000WO2000011916A1 Circuit for operating at least one discharge lamp
03/02/2000WO2000011784A1 A high voltage pulse generator using a non-linear capacitor
03/02/2000DE19838830A1 Start up circuit for low pressure discharge lamp has a sensor unit for a value dependent on the light flux or the temperature of the lamp, and controls the lamp current depending on the light flux or the temperature of the lamp
03/02/2000DE19838829A1 Widerstandsarme Bipolar-Brückenschaltung Resistance arms bipolar bridge circuit
03/02/2000CA2306815A1 Circuit arrangement for operating at least one discharge lamp
03/01/2000EP0982975A2 Starting system for electrodeless metal halide discharge lamps
03/01/2000EP0982862A1 Bipolar bridge circuit without resistors
03/01/2000EP0981935A1 Gas discharge lamp drive circuitry
03/01/2000EP0981934A1 Triac dimmable ballast
03/01/2000EP0981933A1 Circuit arrangement
03/01/2000EP0981932A1 Electronic ballast
03/01/2000CN2367049Y Energy saving device for gas discharging lamp
03/01/2000CN2367048Y Electronic energy saving power supply device for high pressure sodium lamp
03/01/2000CN2367047Y LED neon light controlled by single chip microprocessor
03/01/2000CN2367046Y Controllable trigging and time-delayed closing type automatic light adjuster
03/01/2000CN1246270A Controller for opearting high pressure gas discharge lamp
03/01/2000CN1246269A Detection circuit for detecting arc instabilities of high intensity discharge lamp
03/01/2000CN1246029A Improved starting circuit for low-voltage discharge lamp
03/01/2000CN1245970A Starting system for electrodeless metal halide discharge lamp
03/01/2000CN1050025C High power factor electronic power saving lamp
02/2000
02/29/2000US6031749 Universal power module
02/29/2000US6031342 Universal input warm-start linear ballast
02/29/2000US6031341 Miniaturized transformer and inverter circuit and discharge tube glow circuit including such miniaturized transformer
02/29/2000US6031340 Device and method for capacitive bi-level switching of high intensity discharge lighting
02/29/2000US6031339 Efficient electronic ballast for fluorescent tubes
02/29/2000US6031338 Ballast method and apparatus and coupling therefor
02/29/2000US6031335 Electrical power control system for lighting systems
02/24/2000WO2000010367A1 A power supply system for a fluorescent lamp
02/24/2000WO2000002422A3 Circuit arrangement
02/24/2000DE19838019A1 Electrical power regulation of ultraviolet radiators with current conversion devices connected to mains via voltage fluctuation compensation switches
02/24/2000DE19837728A1 Operating circuit with at least one discharge lamp has detector to compare voltage drop at coupling capacitors with reference voltage and generates half bridge rectifier drive signal
02/24/2000DE19837255A1 Electronic pre switching device with variable operating voltage frequency for ultraviolet tube, e.g. vacuum tube used in sun bed and solarium equipment
02/23/2000EP0919068A4 Method and apparatus for starting difficult to start electrodeless lamps
02/23/2000CN2365855Y Rolling preheating machine for lamp tube
02/23/2000CN1245274A 照明装置 Lighting device
02/23/2000CN1049790C 放电灯点火装置 Discharge lamp ignition device
02/22/2000US6028778 Power supply device with improved efficiency and reduced higher harmonics
02/22/2000US6028401 Ignition scheme for a high pressure discharge lamp
02/22/2000US6028400 Discharge lamp circuit which limits ignition voltage across a second discharge lamp after a first discharge lamp has already ignited
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