Patents
Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
08/1986
08/26/1986US4608521 Light source
08/26/1986CA1210443A1 Resistive lamp ballast with re-ignition circuit
08/13/1986EP0190156A1 Flash strobe power supply
08/06/1986CN85202976U Multifunctional discharging lamp and its ballast
08/06/1986CN85202313U Electronic controller for raising optical efficiency of fluorescent lamp
08/05/1986US4604552 Retrofit fluorescent lamp energy management/dimming system
08/05/1986CA1209195A1 Starting and dimming circuit for fluorescent lamps
07/1986
07/30/1986EP0189221A1 Electric arrangement for regulating the luminous intensity of at least one discharge lamp
07/30/1986EP0189122A2 Metal vapor lamp starting and operating apparatus
07/30/1986CN85202726U Low-voltage triggered ballast
07/30/1986CN85105264A Fluorescent lamp with the lamp acting as stabilizer
07/29/1986US4603378 Inverter circuit with a control circuit for leading transistors more effectively into a turned-off state
07/29/1986US4603281 Electronic fluorescent lamp starter
07/29/1986CA1208693A1 Electric arrangement for step-wise controlling the luminance of a gas and/or vapour discharge lamp
07/29/1986CA1208692A1 Emergency lighting apparatus and systems
07/22/1986US4602194 Exciting circuit for electronic flash device
07/22/1986US4602193 Method and apparatus for the stabilization of direct current arc lamps
07/15/1986US4601051 Protective circuit for X-ray generator
07/15/1986CA1207830A1 Reduction of harmonics in gas discharge lamp ballasts
07/09/1986EP0186931A1 Frequency stabilized automatic gain controlled ballast system
07/09/1986EP0186865A2 Device for interrupting arc discharges in a gas discharge vessel
07/09/1986CN85102543A Lamp with induction feedback
07/02/1986CN85105421A Starter of fluorescent lamp with fuse-wire
07/02/1986CN85102797A Method for lighting up straight-tubular from fluorescent lamp with low voltage d.c and its converter used thereof
07/02/1986CA1207015A Discharge lamp starting and operating circuit
07/02/1986CA1207014A Arc lamp power supply
07/01/1986US4598232 High-frequency lighting system
06/1986
06/25/1986EP0185357A1 Method for regulating the voltage of vapour discharge lamps
06/25/1986EP0185179A1 Starting circuit for low-pressure discharge lamps
06/18/1986CN85203873U Dimming ballast unit for gas-discharge lamp
06/17/1986US4595863 D.C. luminous tube system
06/17/1986US4595861 Defining a capacitive load
06/10/1986US4594614 Film video player with electronic strobe light
06/10/1986US4594531 Circuit arrangement for operating high-pressure gas discharge lamps
06/04/1986EP0182951A1 An electronic device for the progressive lighting of a neon tube
06/04/1986CN85201911U Multi-colour lamp using the light-emitting diode as the light source for darkroom
06/03/1986US4593345 For signalling aircraft approaching a runway
06/03/1986US4593231 Three-way fluorescent lamp device
06/03/1986US4592639 Electronic flash units
05/1986
05/27/1986US4591763 Electric generator system for portable floodlighting equipment
05/27/1986US4591762 Electronic flash
05/27/1986US4591761 Relaxation oscillator synchronizer for pulsed laser operation
05/27/1986CA1205208A1 Arrangement including a metal vapour discharge tube provided with at least two internal electrodes
05/21/1986EP0181667A1 Circuit arrangement for operating a high-pressure discharge lamp
05/21/1986EP0181666A1 High-pressure discharge lamp
05/21/1986EP0181480A1 Electronic ballast system for gas discharge tubes
05/21/1986CN85203599U 节能启动器 Saving starter
05/20/1986CA1204816A1 Starter circuit for gaseous discharge lamp
05/20/1986CA1204815A1 Four lamp modular lighting control
05/20/1986CA1204814A1 Modular lighting control with circulating inductor
05/13/1986US4588927 Light supply apparatus for an endoscope
05/13/1986US4588925 Starting circuit for low-pressure discharge lamp, such as a compact fluorescent lamp
05/13/1986US4588924 High efficiency converter for discharge lamps
05/12/1986EP0176563A4 Ballast and control unit for electric discharge lamp.
05/07/1986EP0179778A1 Adapter for releasibly connecting electric lighting apparatuses.
05/07/1986CN85203334U Electron ballast for daylight lamp
05/06/1986US4587463 Absorbance monitor
05/06/1986US4587462 Fluorescent light source with parallel DC discharges
05/06/1986US4587461 Self-regulating electronic ballast system
05/06/1986US4587460 High-pressure discharge lamp operating circuit
04/1986
04/30/1986EP0179376A1 Controllable DC voltage supply for operating electric gas-discharge radiators
04/29/1986US4585974 Varible frequency current control device for discharge lamps
04/23/1986EP0178852A1 Electronic ballast circuit for fluorescent lamps
04/23/1986EP0178735A1 Circuit arrangement for the ignition and operation of gas discharge lamps
04/23/1986EP0178591A1 Mounting of components for controlling electronic ballast used in conjunction with a low-pressure discharge lamp
04/22/1986CA1203561A1 Ballast modifying device and lead-type ballast for programming and controlling the operating performance of an hid sodium lamp
04/16/1986EP0178043A1 Power supply for electroluminescent panels
04/15/1986US4583026 Low-pressure mercury vapor discharge lamp
04/10/1986CN85107922A High pressure metal vapor discharge lamp with starting element
04/10/1986CN85107447A Regulatable dc power supply for the operation of a gas discharge radiator
04/10/1986CN85103643A Dynamic image stablizing method for measuring a body in periodic motion
04/09/1986EP0176563A1 Ballast and control unit for electric discharge lamp
04/08/1986US4581562 Extra-high-efficiency fluorescent lamp ballast
04/02/1986EP0175937A2 Metal vapor lamp having low starting voltage
04/01/1986US4580080 Phase control ballast
04/01/1986CA1202655A1 Glow switch starter
03/1986
03/19/1986EP0174415A1 A parallel system for the lighting of neon lamps, fluorescent lamps, and similar
03/12/1986EP0020493B1 Fluorescent lamp lighting system
03/12/1986CN85202006U Dimmer for the fluorescent lamp
03/11/1986CA1201761A1 Energy conservation system providing current control
03/11/1986CA1201760A1 Lighting apparatus for a discharge lamp
03/11/1986CA1201758A1 Flash lamp and circuitry for use with an incandescent light
03/05/1986EP0172855A1 High frequency oscillating circuit for effecting a gas discharge and utilization thereof
03/04/1986US4574223 Fast warmup ballast for HID lamps
03/04/1986US4574222 Ballast circuit for multiple parallel negative impedance loads
03/04/1986US4574220 Combination electric power bus and fluorescent drop light
02/1986
02/25/1986US4572990 Electronic transformer system for neon lamps
02/25/1986US4572989 Rapid-start, low-pressure discharge lamp operating circuit
02/25/1986US4572988 High frequency ballast circuit
02/25/1986US4572986 Circuit breaker with thin-walled bulb
02/13/1986WO1986001066A1 Flash strobe power supply
02/12/1986EP0171334A2 Method and apparatus for the stabilization of direct current arc lamps
02/12/1986EP0171108A1 DC/AC converter for feeding a metal vapour discharge tube
02/11/1986US4570109 Irradiation device
02/05/1986EP0170528A2 Electronic starter circuit for discharge lamps
02/04/1986US4568870 Phase control device
02/04/1986US4568860 Rapid start fluorescent lamp circuits with disconnect sockets
02/04/1986US4568857 Fluorescent light controller
02/04/1986US4568826 Ambient lighting detection mechanism
02/04/1986CA1200275A1 Light dimmer for solid state ballast