Video signal synthesizer for producing a picture in-picture effe

Video signal time base error correction circuit

Video signal time expansion/compression apparatus using programm

Video signal translating circuit

Video signal transmission system for endoscope using solid state

Video signal transmission system with reduced number of signal l

Video signature comparator and method

Video spin art machine

Video switching apparatus having interference prevention feature

Video switching circuit

Video switching systems using frequency agile modulators and dem

Video synchronizing apparatus and method

Video synchronous detector apparatus

Video system for producing video images simulating images derive

Video system for viewing microscopic specimens

Video system for visualizing microsurgical images with enhanced

Video system with picture information and logic signal multiplex

Video target track valid indicator

Video telecommunication system and method for compressing and de

Video telephone