DEVICE WHICH READS AND WRITES REFERENCE SIGNAL FOR CORRECTOR OF TIME DISTORTIONS IN VIDEO RECORDER Russian patent published in 1997 - IPC

FIELD: TV devices. SUBSTANCE: device has circuit which adds reference signal to video signal to be written. Period of said reference signal depends on variation in video signal synchronization. In addition device has circuit for detection and reading reference signal from video signal which is read so that time distortions in video signal are corrected. Said circuit corrects distortions of video signal according reference signal which is read together with video signal. EFFECT: increased functional capabilities. 2 cl, 4 dwg