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)
12/1992
12/09/1992	CN1066825A Power supply and control mit for light system and lighting unit for light system
12/08/1992	US5170099 Discharge lamp lighting device
12/08/1992	CA1311260C Compact fluorescent lamp circuit
12/03/1992	DE4118077A1 Vorrichtung zum betreiben einer gasentladungslampe Device for operating a gas discharge lamp
12/02/1992	EP0516545A1 Ignition device for fluorescent lamps
12/02/1992	EP0516377A2 An improved tapped-inductor boost convertor for operating a gas discharge lamp
12/02/1992	EP0515977A2 Electronic ballast for high pressure discharge lamps used in automotive applications
12/02/1992	EP0515958A1 High voltage starting circuit for igniting and operating AC powered high pressure discharge lamps in vehicles
12/02/1992	CN2123852U Inductance and capacity type fluorescent lamp
11/1992
11/29/1992	CA2068153A1 Tapped-inductor boost convertor for operating a gas discharge lamp
11/26/1992	WO1992021219A1 Device for operating a gas discharge lamp
11/26/1992	WO1992016087A3 Solar powered lamp utilizing cold cathode fluorescent illumination and method of facilitating same
11/26/1992	WO1992016082A3 Driver circuit for a plurality of gas discharge lamps
11/25/1992	CN2123160U Electronic power-ceonomizer for fluorescent lamps
11/25/1992	CN2123159U Power-economizing, quick-starting and dimming fluorescent lamp
11/25/1992	CN2123158U Dual-purpose switch of fluorescent lamp with starting function
11/25/1992	CN2123157U Power-economizer for fluorescent lamps
11/25/1992	CN2123122U 无灯丝荧光灯 No filament fluorescent lamps
11/25/1992	CN2122999U Compact fluorescent street lamp
11/25/1992	CN1066529A Electrodeless low-pressure mercury vapour discharge lamp
11/24/1992	US5166581 Discharge lamp ignitor which adjusts the amplitude of ignition pulses
11/24/1992	US5166580 Low pressure mercury discharge lamp circuit arrangement
11/24/1992	US5166579 Discharge lamp operating circuit
11/24/1992	US5166578 Inverter power supply circuit
11/19/1992	EP0513920A2 Apparatus for operating discharge lamps
11/19/1992	DE4116288A1 Electronic starting and control circuit for fluorescent lamp - has warm start electrodes coupled into resonance circuit with variable capacitor for starting conditions
11/18/1992	CN2122465U 电子镇流器 Electronic Ballast
11/18/1992	CN2122464U Electronic starter of fluorescent lamp
11/17/1992	US5165053 Electronic lamp ballast dimming control means
11/17/1992	US5164892 Pulse electric power unit
11/17/1992	US5164638 Low pressure mercury discharge lamp circuit arrangement
11/17/1992	US5164637 Power supply for gas discharge lamps
11/12/1992	DE4115409A1 Vorrichtung zum betreiben einer gasentladungslampe Device for operating a gas discharge lamp
11/11/1992	EP0512746A2 Solid state strobe tube control circuit with programmable flash pattern
11/11/1992	EP0512622A1 Electrodeless low-pressure mercury vapour discharge lamp
11/11/1992	EP0512508A1 Camera with automatic light adjusting device
11/11/1992	CN2121791U Electronic flash lamp
11/11/1992	CN2121788U Electronic ballast having capacitor
11/11/1992	CN2121787U Electronic ballast
11/11/1992	CN2121786U Starter of enrgy-saving electronic ballast
11/11/1992	CN2121785U 无灯丝荧光灯 No filament fluorescent lamps
11/11/1992	CN2121763U Electronic energy-saving lamp
11/10/1992	US5162703 Flashing light warning apparatus
11/10/1992	US5162702 Flashing light warning apparatus
11/10/1992	US5162700 Controllable ballast and operating system utilizing same
11/04/1992	CN2121107U Electronic starter for fluorescent lamp
11/04/1992	CN1065967A High-frequency electronic fluorescent lamp
10/1992
10/28/1992	EP0510751A2 A fluorescent lamp lighting arrangement for "Smart" buildings
10/28/1992	EP0510170A1 Switching excitation supply for argon-mercury discharge tubes
10/28/1992	CN2120421U Miniature electronic ballast energy economizer for fluorescent lamp
10/28/1992	CN2120420U Pi-type automatic coupling fluorescent lamp apparatus
10/27/1992	US5159381 Electronic flash control circuit
10/27/1992	US5159244 Ignition circuit for gas discharge lamp
10/27/1992	US5159242 High pressure discharge lamp having an integral thick film resistor with multiple resistive elements
10/24/1992	CA2066467A1 Fluorescent lamp lighting arrangement for "smart" buildings
10/21/1992	CN2119746U Fluorescent lamp capable of continuously regulating light
10/21/1992	CN2119745U 110v electronic ballast
10/21/1992	CN2119744U High-efficient energy-saving glow starter for fluorescent lamp
10/21/1992	CN2119710U Multifunctional pull switch
10/15/1992	WO1992017993A1 Improvements in lamp ballasts
10/14/1992	EP0508526A1 Circuit arrangement
10/14/1992	CN2119079U Optic control automatic switch of flash light specially adapted for photo studio
10/14/1992	CN2119078U High power multifunctional cynchronous flash light
10/14/1992	CN2119070U Adaptor of fluorescent lamp
10/14/1992	CN2119069U Power saving fluorescent lamp ballast
10/13/1992	US5155668 Solar powered lamp utilizing cold cathode fluorescent illumination and method of facilitating same
10/13/1992	US5155415 High voltage driver for gas discharge lamps
10/13/1992	CA1308772C Fluorescent lights
10/07/1992	EP0507399A2 Circuit arrangement
10/07/1992	EP0507398A1 Circuit arrangement
10/07/1992	EP0507396A2 Circuit arrangement
10/07/1992	EP0507393A2 Circuit arrangement
10/07/1992	CN2118383U Electronic ballast with horizontal/vertical combined circuit plate
10/07/1992	CN1065174A Continuously light-adjustable fluorescent lamp circuit with high-reliability
10/07/1992	CN1065159A Sodium lamp electronic trigger and bidirectional diode thyristor
10/06/1992	US5153484 Electrodeless high intensity discharge lamp excitation coil and ballast configuration for maximum efficiency
10/01/1992	WO1992017042A1 Apparatus for lighting fluorescent lamp
09/1992
09/30/1992	EP0506543A1 Discharge lamp lighting system for a vehicle, lighting process and power supply for a discharge lamp
09/30/1992	EP0505947A2 Transformer for gas discharge lamps
09/30/1992	CN2117694U Electronic scanning neon bulb
09/30/1992	CN2117693U General electronic ballast
09/30/1992	CN2117692U Energy saving and brightness regulating ballast of fluorescent light
09/30/1992	CN2117691U Electronic high frequency ballast
09/30/1992	CN2117529U Energy saving lamp with electronic integrated ballast
09/30/1992	CN1064974A 变换器 Converters
09/30/1992	CN1064955A 电源 Power supply
09/29/1992	US5151634 Device for controlling a gas-discharge lamp for use in a motor vehicle
09/29/1992	US5151633 Self-extinguishing gas probe starter for an electrodeless high intensity discharge lamp
09/29/1992	US5151631 Lighting circuit for vehicular discharge lamp
09/24/1992	DE4108736A1 Series connected ballast for discharge lamp - has bendable mounting board and length at each end of board defined to bend up at sides of core to fix inside housing
09/23/1992	EP0504967A1 Circuit arrangement
09/22/1992	US5150018 Gas discharge lamp with grid and control circuits therefor
09/22/1992	US5150014 Lamp ballast control circuit and method
09/22/1992	US5150013 Power converter employing a multivibrator-inverter
09/22/1992	US5150012 Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like
09/22/1992	US5150009 Glow discharge lamp
09/17/1992	WO1992016087A2 Solar powered lamp utilizing cold cathode fluorescent illumination and method of facilitating same
09/17/1992	WO1992016085A1 Power supply having high power factor with control that tracks the input alternating supply
09/17/1992	DE4200900A1 Ballast circuit for controlled regulation of high pressure sodium lamp - measures instantaneous current to control colour temp. by current level and pulse rate
09/17/1992	CA2103542A1 Power supply having high power factor with control that tracks the input alternating supply

1 ... 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 ... 351