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)
10/1995
10/21/1995CA2146204A1 Controlled pulse operating circuit system for a discharge lamp, typically a sodium high-pressure discharge lamp, from an a-c power network
10/19/1995WO1995028071A1 Circuit arrangement
10/19/1995WO1995028070A1 Emi suppression for an electrodeless discharge lamp
10/19/1995WO1995028069A1 Rf driven sulfur lamp
10/19/1995WO1995028068A1 Circuit arrangement
10/19/1995DE4412640A1 Limiter for inrush current to capacitive load
10/19/1995CA2164710A1 Emi suppression for an electrodeless discharge lamp
10/19/1995CA2164512A1 Circuit arrangement
10/19/1995CA2164511A1 Circuit arrangement
10/19/1995CA2147016A1 Gas discharge lamp ballast circuit with compact starting circuit
10/19/1995CA2147015A1 Impedance matching circuit for an electrodeless flourescent lamp ballast
10/19/1995CA2145896A1 Electrodeless lamp with external conductive coating
10/19/1995CA2145894A1 External metallization configuration for an electrodeless fluorescent lamp
10/18/1995EP0677983A2 Gas discharge lamp ballast circuit with automatically calibrated light feedback control
10/18/1995EP0677982A1 Process for operating a discharge lamp ballast
10/18/1995EP0677981A1 Ballast for discharge lamps with lamp change detecting means
10/18/1995EP0677925A1 Three-terminal insulated-gate power electronic device with a variable-slope saturated output characteristic depending in a discontinuous way on the output current
10/18/1995EP0677201A1 Backlighting for liquid crystal display
10/18/1995CN2210508Y Electric capacity constant current type electronic ballast for light adjusting
10/18/1995CN2210507Y Finger nail type switch for fluorescent lamp
10/18/1995CN2210323Y Energy-saving and light adjustable lamp driven by electricity
10/18/1995CN1110464A Gas discharge light source electronic starter
10/17/1995US5459651 Inverter device for stable, high power-factor input current supply
10/17/1995US5459377 Method for starting gas-conducting lamp and lamp for carrying out the method
10/17/1995US5459375 Electronic ballast with high-frequency-aided power-factor-correction
10/17/1995US5459373 Mini-fluorescent lamp with automatic on/off
10/17/1995CA2033104C Inverter device
10/14/1995CA2145902A1 Gas discharge lamp ballast circuit with automatically calibrated light feedback control
10/12/1995DE19513013A1 Control unit for fluorescent tube
10/11/1995EP0676121A1 Ballast for at least one pair of gas discharge lamps in parallel.
10/11/1995CN1110045A Light controlling system in fluorescent lamp illumination
10/11/1995CN1110044A Ballast circuit for a cathode-heated type of gas discharge lamp
10/11/1995CN1110043A Main frequency electronic ballast for fluorescent lamp
10/11/1995CN1030029C Electronic high-frequency fluorescent lamp
10/10/1995US5457623 High efficiency power converter having diode-controlled switching frequency for illumination loads
10/10/1995US5457360 Dimming circuit for powering gas discharge lamps
10/10/1995US5457358 Method of and circuit for driving cathodeluminescence type lighting device
10/09/1995CA2146725A1 Electrical connector with improved centering of mating terminal pins, for a fluorescent-lighting ballast
10/05/1995WO1995026620A1 Fluorescent lamp apparatus with integral dimming control
10/05/1995DE4411474A1 Voltage and current supply arrangement for fluorescent lamps
10/05/1995DE19511824A1 Lamp starting apparatus for liquid crystal projector
10/05/1995DE19511242A1 Current supply e.g. for discharge lamp lighting control device
10/05/1995DE19505092A1 Glow-cathode noble gas-filled discharge lamp
10/04/1995EP0675587A1 Switched voltage converter
10/04/1995CN2209426Y Fluorescent lamp dimmer
10/04/1995CN2209425Y Dimmer
10/04/1995CN2209423Y 电子镇流器 Electronic Ballast
10/04/1995CN2209422Y 工业荧光灯镇流器 Industrial fluorescent lamp ballasts
10/04/1995CN2209421Y High-efficiency energy-saving emergency fluoriscent lamp
10/03/1995US5455837 Method of controlling the operation of a light source
10/03/1995US5455491 For an AC supply circuit
10/03/1995US5455487 for controlling power to a lighting unit
10/03/1995US5455486 Method and circuitry for igniting fluorescent lamps at a predetermined temperature of their cathodes
10/03/1995US5455484 Adapter for simultaneously powering multiple compact fluorescent lamps utilizing an electronic ballast circuit
10/03/1995CA1337211C Fluorescent lamp controller
09/1995
09/28/1995WO1995026119A1 Ultra violet lamps
09/28/1995DE4410177A1 Circuit for starting and running AC high-pressure gas discharge lamp
09/28/1995CA2186014A1 Ultra violet lamps
09/27/1995EP0674469A2 Ballast for operating a AC low pressure discharge lamp in a vehicle
09/27/1995EP0531438B1 Solar lamp
09/27/1995CN2208766Y High-voltage arc-free trip device for neon lamp
09/27/1995CN2208765Y Electronic starter for fluorescent lamp
09/27/1995CN1109210A Discharge lamp provided with a bimetal switch, and bimetal switch suitable for a lamp
09/27/1995CN1029907C Circuit arrangement for discharge lamp
09/26/1995US5453668 Method and circuitry for producing dynamic illumination of discharge lamp
09/26/1995US5453667 For an electrodeless discharge lamp
09/26/1995US5453666 High intensity discharge lamp ballast having a transient protected power factor correction scheme
09/26/1995US5453665 Single transistor electronic ballast
09/21/1995DE4428278C1 Unnecessary room lighting detection device for electrical energy saving
09/20/1995EP0673184A2 Fluorescent lamp power supply and control circuit for wide range operation
09/20/1995EP0673183A2 Method of operating a neon discharge lamp
09/20/1995EP0673057A2 Electrodeless fluorescent lamp
09/20/1995EP0497848B1 Fluorescent tube heating and starting circuit
09/20/1995CN2208310Y Light adjusting electronic transformer for neon
09/20/1995CN2208309Y Remote controlling fluorescent lamp
09/20/1995CN2208306Y Full-function electronic starter for fluorescent lamp
09/20/1995CN1108864A Toggle brightening circuit for powering gas discharge lamps and method for operating gas discharge lamps
09/19/1995US5451843 Apparatus and method for providing bilevel illumination
09/19/1995CA2144260A1 Electrodeless fluorescent lamp
09/14/1995WO1995024819A1 Dimming circuit for powering gas discharge lamps
09/13/1995EP0671869A1 Lamp ballast circuit
09/13/1995EP0671868A1 Circuit for pulsed-mode operation of a discharge lamp
09/13/1995EP0671867A2 Circuit for operating a discharge lamp
09/13/1995EP0671866A2 Circuit for operating a discharge lampe; its use and an associated process
09/13/1995EP0671758A2 Electrodeless high intensity discharge lamp
09/13/1995CN2207686Y Red infrared pulse light source
09/13/1995CN2207682Y Electronic ballast
09/13/1995CN2207681Y 多功能电子启辉器 Multi-functional electronic starter
09/12/1995US5450311 Static energy regulator for lighting networks with control of the quantity of the intensity and/or voltage, harmonic content and reactive energy supplied to the load
09/12/1995US5450302 Exterior high intensity discharge illumination system and method for use
09/12/1995US5449981 Electronic ballast and power controller
09/12/1995US5449980 Boosting of lamp-driving voltage during hot restrike
09/12/1995US5449979 Inverter power supply
09/12/1995US5449976 Control unit for controlling a strobe light or the like
09/12/1995US5449973 Lighting circuit for vehicular discharge lamp
09/10/1995CA2143242A1 Gas discharge lamp ballast circuit with reduced parts-count starting circuit
09/06/1995CN2207046Y Electronic light regulation apparatus
09/06/1995CN1108013A Circuit arrangement
09/05/1995US5448139 Discharge lamp power control circuit with reduced light fluctuations during lamp run-up
09/05/1995US5448137 Electronic energy converter having two resonant circuits
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