9 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