Apparatus with headwheel servo for recording and playing back vi

Details Apparatus with headwheel servo for recording and playing back vi Apparatus with headwheel servo for recording and playing back vi

1975-01-07

1977-01-04

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 70, 318314, G11B 2104

Patent

active

040018865

ABSTRACT:
Apparatus for synchronizing the head wheel of a video tape recorder with the recorded signals uses a variable frequency oscillator controlled by the phase difference between recorded vertical synchronized signals and signals received from a vertical reference oscillator to provide a horizontal reference signal. The horizontal reference signal is compared with recorded horizontal synchronized signals as a fine control during playback.

REFERENCES:
patent: 2944108 (1960-07-01), Houghton
patent: 3017462 (1962-01-01), Clark
patent: 3379828 (1968-04-01), Smith
patent: 3520993 (1970-07-01), Jacoby
patent: 3542950 (1970-11-01), Luther
patent: 3729583 (1973-04-01), Yano

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