Patents for H05B 43 - Circuit arrangements for light sources, not otherwise provided for (158) | |
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10/1996 | |
10/26/1996 | CA2147778A1 Light emitting diode lamp |
08/1996 | |
08/17/1996 | CA2142629A1 High power, high pulse repetition frequency, compact, pulsed laser diode driver |
08/17/1996 | CA2142628A1 High power, high pulse repetition frequency, compact, pulsed laser diode driver |
04/1996 | |
04/09/1996 | US5506826 Life span detector for a laser diode and a compact disk player having the same |
11/1995 | |
11/18/1995 | CA2123765A1 Low voltage door activated light switch |
09/1995 | |
09/04/1995 | CA2142132A1 Methods and apparatus for illumination of signs utilizing light emitting diodes |
10/1994 | |
10/05/1994 | EP0617852A1 Apparatus and method for controlling an extinction ratio of a laser diode over temperature |
07/1994 | |
07/20/1994 | CA2092762A1 Life span detector for a laser diode and a compact disk player having the same |
07/1993 | |
07/08/1993 | CA2126323A1 Apparatus and method for controlling an extinction ratio of a laser diode over temperature |
12/1990 | |
12/26/1990 | CN2067981U Cinerary casket with colour lamp ornament |
07/1989 | |
07/27/1989 | DE3642890A1 Electronic, cable-independent lamp chain for decorative purposes |
11/1988 | |
11/23/1988 | CN88200347U Electronic signal lamp for railway |
06/1988 | |
06/16/1988 | DE3641396A1 Electronic lamp chain for decorative purposes |
04/1988 | |
04/13/1988 | CN87205168U Projective lamps and lanterns of colour image of automatic control |
04/06/1988 | CN87210435U Controller for fluorescent lamp and incandescent lamp |
02/1988 | |
02/10/1988 | CN86206759U Colour-changeable rotating decorative lamp |
11/1986 | |
11/19/1986 | CN85104028A Fluorescent picture-element tube with high brightness |
11/1984 | |
11/27/1984 | CA1178646A1 Photoflash lamp array circuit board having radiation sensitive fuse elements |
11/13/1984 | CA1177874A1 Photoflash lamp array circuit board having radiation sensitive fuse elements |
11/06/1984 | CA1177522A1 Flash lamp array circuit with improved fuse means |
11/06/1984 | CA1177521A1 Flash lamp array having printed circuit |
11/06/1984 | CA1177520A1 Flash lamp array having combined shield and connector |
10/1984 | |
10/30/1984 | CA1177110A1 Flash lamp array having printed circuit |
10/23/1984 | CA1176697A1 Conductive ink for flash lamp array circuit |
10/23/1984 | CA1176696A1 Flash lamp array having composite circuit board and electric shield member |
09/1984 | |
09/18/1984 | CA1174725A1 Conductive ink for flash lamp array circuit |
09/11/1984 | US4470801 Photoflash unit with circuit pattern for redundant switching of lamps |
09/04/1984 | CA1173809A1 Sequential photoflash array and fabrication employing radiation-activated switches |
05/1984 | |
05/15/1984 | US4449073 Runway approach lighting system with fault monitor |
02/1984 | |
02/07/1984 | CA1161897A1 Photoflash unit with circuit pattern for redundant switching of lamps |
02/07/1984 | CA1161811A1 Photoflash unit with circuit board radiation switches for selective pairing of lamps |
08/1983 | |
08/09/1983 | CA1151720A1 Multiple flash arrangement with redundant fuse arrangement |
06/1983 | |
06/22/1983 | EP0081735A1 Photoflash unit with circuit pattern for redundant switching of lamps |
06/14/1983 | US4388606 Sequential photoflash array and fabrication employing radiation-activated switches |
06/14/1983 | US4388065 Actinically comustible metal strips and an oxidizing gas |
02/1983 | |
02/01/1983 | US4371914 Photoflash unit with circuit board radiation switches for selective pairing of lamps |
12/1982 | |
12/14/1982 | US4363622 Combustion flashbulb |
10/1982 | |
10/20/1982 | EP0062885A1 Radiation-activated switch |
10/20/1982 | EP0062884A1 Sequential photoflash array and fabrication employing radiation-activated switches |
08/1982 | |
08/03/1982 | US4342947 Light indicating system having light emitting diodes and power reduction circuit |
02/1982 | |
02/09/1982 | CA1118036A1 Multilamp photoflash unit with more reliable circuit arrangement |
01/1982 | |
01/05/1982 | US4309166 Combustion flashbulb |
07/1981 | |
07/21/1981 | CA1105428A1 Photoflash unit with secured insulator |
02/1981 | |
02/03/1981 | CA1095115A1 Electric multiple flash arrangement |
11/1980 | |
11/25/1980 | CA1090410A1 Photographic flashlamp unit |
07/1980 | |
07/08/1980 | US4211956 Light indicating system having light emitting diodes and power reduction circuit |
07/08/1980 | US4211955 Solid state lamp |
05/1980 | |
05/27/1980 | US4204834 Leadless electric flash lamp |
03/1980 | |
03/18/1980 | CA1073878A1 Photoflash lamp array having conductive reflector |
01/1980 | |
01/15/1980 | US4183647 Electronic flash apparatus |
01/08/1980 | US4182977 Constant output light emitting device |
10/1979 | |
10/02/1979 | US4170034 Multilamp photoflash unit with more reliable circuit arrangement |
05/1979 | |
05/15/1979 | US4154569 Flashlamp unit |
05/01/1979 | US4152751 Photoflash unit with secured insulator |
10/1978 | |
10/10/1978 | CA1040173A1 Multiple flash lamp unit |
08/1978 | |
08/01/1978 | US4104706 Photoflash lamp array having conductive reflector |
01/1978 | |
01/10/1978 | US4068148 Constant current driving circuit |
04/1976 | |
04/20/1976 | US3952320 Multiple flash lamp unit |
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