Video reproducing apparatus for maintaining picture quality duri

Details Video reproducing apparatus for maintaining picture quality duri Video reproducing apparatus for maintaining picture quality duri

1992-01-02

1994-06-07

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record editing

360 3620, 360 70, 358338, H04N 578

Patent

active

053195000

ABSTRACT:
A video reproducing apparatus which controls a revolution speed of the rotary drum to have a variable speed according to the tape transport speed during a special playback, and maintains the inclination angle of the head running locus to be the same as that during a standard playback. The apparatus comprises a capstan servo, a drum servo, a time base corrector, and a control circuit which controls the above elements, thereby displaying a clear picture without noise bars during the special playback modes.

REFERENCES:
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patent: 4539606 (1985-09-01), Itoh
patent: 4636874 (1987-01-01), Hoogendoorn et al.
patent: 4656529 (1987-04-01), Sakamoto
patent: 4656537 (1987-04-01), Toba et al.
patent: 4677503 (1987-06-01), Nagasawa et al.
patent: 4771345 (1988-09-01), Watanabe
patent: 5068757 (1991-11-01), Hughes et al.
patent: 5130858 (1992-07-01), Ebara et al.

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