Magnetic recording apparatus and magnetic reproducing apparatus

Details Magnetic recording apparatus and magnetic reproducing apparatus Magnetic recording apparatus and magnetic reproducing apparatus

1993-12-28

1997-02-25

Psitos, Aristotelis

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

360 70, 360 75, H04N 578

Patent

active

056064632

ABSTRACT:
A magnetic recording and/or reproducing apparatus includes a rotating drum for conveying a magnetic recording medium and a magnetic head being mounted on the drum and kept in sliding contact with the magnetic recording medium. The magnetic head records signals on the recording medium in a recording mode and does not record signals on the recording medium in a recording pause mode. The magnetic head reproduces signals recorded on the recording medium in a motion picture reproducing mode and does not reproduce signals recorded on the recording medium in a still picture reproducing mode. The apparatus further includes a drum rotation control circuit for controlling the rotating speed of the drum. The drum is rotated at a lower speed during the recording pause mode than during the recording mode and is rotated at a lower speed during the still picture reproducing mode than during the motion picture reproducing mode. The lower speed of the drum is one of a constant speed, a decreasing ramp speed and an incrementally decreasing speed.

REFERENCES:
patent: 4161002 (1979-07-01), Saito
patent: 4772975 (1988-09-01), Azuma
patent: 5285329 (1994-02-01), Takayama

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