Tracking control system for magnetic video recording and...

Details Tracking control system for magnetic video recording and... Tracking control system for magnetic video recording and...

G - Physics

11

B

352/21.32

G11B 21/10 (2006.01) G11B 15/46 (2006.01)

Patent

CA 1078959

TRACKING CONTROL SYSTEM FOR MAGNETIC VIDEO RECORDING AND REPRODUCING SYSTEM ABSTRACT OF THE DISCLOSURE A tracking control system for a magnetic video recording and reproducing system, in which a signal is recorded on a magnetic tape as record tracks at an angle with respect to the longitudinal direction of the tape and is reproduced therefrom by rotary magnetic heads. At the time of start of playback, the relative phase of scanning tracks of the rotary heads and the afore-said record tracks is automatically varied at a predetermined cycle. During the period of this variation, a phase position at which a maximum value of the level of the reproduced signal from the rotary heads is detected, and the phase variation is stopped at the detected phase position so as to let the scanning tracks of the rotary heads coincide with the record tracks.

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