Matches 401 - 450 out of 531 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
3222980 Device for accurately measuring small amounts of radiant energy  
3218460 Stabilized scintillation counter using photomultiplier  
3217167 Photosensitive photographic exposure timer  
3215844 Broadband output coupler for photomultiplier system  
3214705 Unity gain preamplifier for photomultiplier tubes  
3212021 Signal amplifier of the electron multiplier type  
3209153 Arrangement for compensating dark current in photoelectric devices  
3202933 Negative resistance photomultiplier oscillator  
3197642 Feedback circuit for electromagnetic control of photomultiplier tube  
3197663 Electron multiplier gate  
3195398 Temperature sensing head having fatigue eliminating means  
3187183 Balanced output photoelectric gage  
3184597 Stabilized scintillation detector  
3183353 Gain-stabilized scintiliation detection system  
3183390 Photomultiplier  
3181030 Circuit control means  
3178999 Compensating circuit for photographic timers  
3174040 Single channel remote radiation monitor with means to prevent drift in the photomultiplier tube  
3171032 Photomultiplier with stabilized gain  
3170032 Facsimile-scanner with a.g.c. of output signal by multiplication of low and high definition signals  
3160814 Electromagnetic energy detector  
3155831 Protective system for photoresponsive units  
3153726 Photosensitive automatic contrast control for facsimile  
3149235 Photosensitive radiant spot tracking system  
3142756 Photomultiplier tube with tubular cathode bonded to the interior surface thereof  
3142835 Position indicator  
3130316 Photomultiplier tube circuit for a color analyzer  
3130255 Apparatus for detecting blood spots in eggs  
3128408 Electron multiplier  
3114044 Electron multiplier isolating electrode structure  
3102954 Photomultiplier pulse shaping circuit  
3102202 Photometric instruments  
3100815 Apparatus for producing color separation negatives and the like  
3098933 Photosensitive electronic tracking head  
3097303 Photosensitive optical triggering screen  
3093477 Electro-optical bistable light switch  
3093740 Pulse transmitter and amplifier  
3092728 Light collecting apparatus for photosensitive device  
3091697 Photomultiplier control circuit  
3089959 Self-limiting photomultiplier amplifier circuit  
3080790 Color balance and exposure indicator  
3079795 Electrical measuring system  
3076896 Voltage supply and control system  
3067360 Photo-multiplier circuits  
3050696 Photo-transducer signal compressor  
3050632 Photo-transducer signal compressor  
3042805 Light measuring apparatus  
3036497 Photographic dodging apparatus  
3036234 Electron discharge devices employing secondary electron emission  
3028502 Ink scanner for printed papers  
Matches 401 - 450 out of 531 < 1 2 3 4 5 6 7 8 9 10 11 >