Synthetic control track signal producing apparatus for video tap

Details Synthetic control track signal producing apparatus for video tap Synthetic control track signal producing apparatus for video tap

1985-05-20

1987-06-09

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Synchronizing moving-head moving-record recorders

358311, 358314, 358321, 358327, 358336, 358338, 360 141, 360 381, 360 73, G11B 1552, G11B 2702, H04N 578

Patent

active

046724745

ABSTRACT:
A synthetic control track signal is provided for a magnetic video tape recording and/or reproducing machine having a motor driven capstan and capstan servo which controls the speed of the tape during recording and reproducing. The synthetic signal enables the capstan servo to operate when the control track signal has not been recorded or has been improperly recorded. The synthetic signal is generated from vertical synchronization information extracted from the video information extracted signal.

REFERENCES:
patent: Re29787 (1978-09-01), Bargen
patent: 3821803 (1974-06-01), Sakamoto
patent: 3959818 (1976-05-01), Iketaki
patent: 3990108 (1976-11-01), Suga et al.
patent: 4151566 (1979-04-01), Ohrman
patent: 4296446 (1981-10-01), Zorbalas
patent: 4390977 (1983-06-01), Onigata et al.
patent: 4409628 (1983-10-01), Frimet et al.

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