Matches 551 - 600 out of 623 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >
Match Document Document Title
3148307 Flash lamp  
3134066 Electric charging systems  
3134048 Pulse circuit for electronic flush device  
3127551 Electrical semiconductor power supply apparatus  
3122677 Electric flash producing system having shunting means to terminate flash at desired instant  
3116671 Camera flasher systems  
3115594 Voltage doubling supply circuit for triggering and flashing gaseous discharge lamp  
3115593 Flash intensifier circuit  
3105160 Circuit providing a second parallel path for fast capacitor recharge  
3101440 Voltage regulator for high voltage power supplies  
3098947 Electrical systems including capacitors  
3080502 Gas discharge flash lamp circuit  
3075121 Flashtube and system  
3065667 Transparency photographic apparatus  
3041501 Electrical energy storage device  
3035219 Electronic flash unit  
3033988 Method of and apparatus for the control of electric impulses  
3025431 Flash apparatus  
3014156 Arrangement for irradiation with ultraviolet rays  
3012181 Transistor low drain converter  
3011094 Circuit arrangement for electronic flash units with economizing operation  
3007081 Electronic flash unit  
3001125 Electrical apparatus  
2998548 Voltage generators for flash lamps  
2983849 Electronic flash-light unit for use in photography  
2983810 Photoflash unit  
2983850 Condenser-charging circuit for flashproducing apparatus  
2979640 Spark gap  
2977509 Electric-discharge system  
2977524 Electrical power supply apparatus  
2975328 Flash lamp assembly  
2969721 Photoflash unit  
2967975 High speed photographic light circuit  
2965807 Lamp for emitting light flashes of extremely short duration  
2963625 Flash lamp system  
2953721 Electronic flash lighting system  
2952798 Source of potential for photographic flash holder  
2946924 Capacitor discharge circuit  
2944193 Electric system  
2944191 Circuit system for electronic flash instruments with transistors  
2943222 Electric-discharge device  
2939984 Flash device and method  
2939948 Railway signaling systems  
2937299 Capillary spark light source  
2935650 Photographic flash apparatus  
2933647 Electric-discharge system  
2931948 Flash producing circuit  
2923857 Power supply for electrical photographic flash unit  
2922079 Apparatus for producing flash illumination  
2922066 Spark compressor and trigger for spark discharge light  
Matches 551 - 600 out of 623 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >