Signal analyzing circuit for a periodically occurring signal

Signal background noise detector

Signal coding

Signal coding

Signal coding for secure transmission

Signal combining circuitry

Signal combining system for binary pulse signals

Signal compression system for binary digital signals

Signal converting apparatus

Signal converting method and circuit for television receiver

Signal defect detection and compensation with signal de-emphasis

Signal detecting circuit

Signal detector circuit

Signal distribution device for a cable television

Signal distribution device for a cable television

Signal encryption and distribution system for controlling scramb

Signal generator circuit

Signal generator for television testing

Signal generator with display and memory card

Signal interface circuit