Video tape reproducing apparatus with various tape speeds

Details Video tape reproducing apparatus with various tape speeds Video tape reproducing apparatus with various tape speeds

1979-09-25

1982-03-02

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 10, 360 84, G11B 1554, G11B 1518, G11B 1928

Patent

active

043181406

ABSTRACT:
In a video tape recorder, a video tape is advanced, at variable speeds other than the normal speed in order to search tape position for editing purpose, by observing the reproduced image on a monitor screen. A speed command signal is supplied to the video tape recorder in the form of a frequency signal. A capstan installed in the video tape recorder carries a frequency generator, and the tape speed is determined by directly comparing a frequency of the command signal with a frequency of a rotation signal obtained from the frequency generator.

REFERENCES:
patent: 3636252 (1972-01-01), Kowal
patent: 4003090 (1977-01-01), Beck
patent: 4123773 (1978-10-01), Rotter et al.
patent: 4139872 (1979-02-01), Tachi
patent: 4163262 (1979-07-01), Kaemmerer
patent: 4163993 (1979-08-01), Ravizza
patent: 4218713 (1980-08-01), Horak

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