Time base correction for VTR with variable tape speed

Details Time base correction for VTR with variable tape speed Time base correction for VTR with variable tape speed

1985-01-29

1987-05-26

Faber, Alan

Dynamic magnetic information storage or retrieval

Record editing

360 361, 360 62, 358337, 358312, H04N 5783, H04N 595

Patent

active

046689982

ABSTRACT:
In an apparatus in which a video signal can be reproduced from a magnetic tape that is transported with a different tape speed from that in recording, such as, in a slow or still reproducing mode, and the reproduced video signal and an input video signal can be alternatively supplied to an output terminal at every predetermined number of field intervals, there is provided a circuit for controlling a time axis of the input video signal so as to be substantially equal to the time axis of the reproduced video signal.

REFERENCES:
patent: 3331927 (1967-07-01), Bounsall
patent: 4054921 (1977-10-01), Tatami
patent: 4115819 (1978-09-01), Shigeta
patent: 4133009 (1979-01-01), Kittler
patent: 4163993 (1979-08-01), Ravizza
patent: 4329718 (1982-05-01), Kimura

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