There is disclosed a video processor capable of arbitrarily expanding or contracting an image in a vertical direction. A horizontal synchronizing signal HS of a video signal CS is inputted to a reference input terminal 63a of a phase comparator 63 of a PLL circuit 62 to take out a clock signal CK having...http://www.google.de/patents/US5555027?utm_source=gb-gplus-sharePatent US5555027 - Video processor for enlarging and contracting an image in a vertical direction
