Search system and special reproduction system for information re
Secondary beat signal cancel circuit
Sectional frame for forming sheilding units for the radiation em
Secure transmission of AM or FM signals
Selectable video/audio coded data recovery from a record medium
Selectable view video record/playback system
Selective copying apparatus
Selective information playback from recording medium based on us
Selective operation in interlaced and non-interlaced modes of in
Selective optoelectronic copier
Selective retrieval of data from microfilm images of different f
Self tracking laser scanning apparatus
Self-adaptive, all-or-nothing converter of an analog image analy
Self-adjusting video camera
Self-contained adjustable yoke mounting system
Self-fixtured kinescope
Self-scanning photo-sensitive circuits
Self-scanning photodiode array
Semiconductive photodetection device having coplanar circuit com
Semiconductor circuit with clock-controlled charge displacement