Magnetic recording and reproducing apparatus using an accelerati

Details Magnetic recording and reproducing apparatus using an accelerati Magnetic recording and reproducing apparatus using an accelerati

1994-12-30

1998-02-03

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 8, 386 14, 386 79, H04N 987, H04N 5783

Patent

active

057153507

ABSTRACT:
A magnetic recording and reproducing apparatus which generates reduced noise when shifting between operations such as still or slow motion mode to normal playback mode. The apparatus has a capstan motor for driving the tape at speeds determined by the combination of an acceleration signal and a capstan servo control Signal, except during a fixed time period after a still or slow motion mode is changed to a normal playback mode, during which time the capstan motor speed is controlled only in response to the acceleration signal. A system control unit coordinates changing the capstan motor speed with the switching of heads, and supplies a rotary switching pulse.

REFERENCES:
patent: 4393422 (1983-07-01), Yokobori et al.
patent: 4510535 (1985-04-01), Tokumitsu
patent: 4568986 (1986-02-01), Furuhata et al.
patent: 5285329 (1994-02-01), Takayama
patent: 5327304 (1994-07-01), Owada et al.
patent: 5463505 (1995-10-01), Kaniwa et al.

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