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