Dynamic magnetic information storage or retrieval – Record editing
Patent
1983-02-17
1985-11-19
Richardson, Robert L.
Dynamic magnetic information storage or retrieval
Record editing
360 13, 358337, 358338, H04N 578, G11B 2700
Patent
active
045546029
ABSTRACT:
A video signal recording apparatus includes apparatus for driving a recording medium; video signal recording apparatus for recording a video signal on the medium; control signal reproducing apparatus for reproducing a control signal recorded on the medium; and signal producing apparatus for producing a first signal which relates to the driven state of the medium. Also included are first control apparatus for controlling the drive apparatus according to a phase difference between the control signal reproduced by the control signal reproducing apparatus and a second signal which relates to a video signal to be recorded on the medium. A second control apparatus controls the signal producing apparatus with the second signal during a period close to a time at which at least the drive apparatus reaches a prescribed stable condition.
REFERENCES:
patent: 4358797 (1982-11-01), Nishijima et al.
Canon Kabushiki Kaisha
Richardson Robert L.
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