73154470
Jul 24, 1978
Sep 15, 1981
Electronic Television Broadcasting Systems Comprising: Video Signal Amplifiers, Video Signal A-D Converters, Picture Monitors, Color Signal Generators, Synchronizing Signal Generators, Test Pattern Signal Generators, Net-Mark Signal Generators, Weather-Mark Signal Generators, Special-Effect Signal Generators, Color Encoders, Time-Base Correctors, Frame Synchronizers, Program Timers, Time Signal Generators for TV Display, Video Still-Picture Recorders, Television Test Signal Generators, Color Decoders, Character Generators for TV Display, Television Transmitters, Television Cameras, Video Tape Recorders, Digital Audio Recorders, and Television Broadcast System Converters
Electrical and Scientific Apparatus