Picture quality compensating apparatus and method

Details Picture quality compensating apparatus and method Picture quality compensating apparatus and method

1992-03-24

1993-12-28

Koczo, Michael

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

G11B 1552

Patent

active

052745147

ABSTRACT:
A picture quality compensating apparatus and method in a video tape recorder compensates picture quality when the control signal of a tape is damaged (or omitted). For this purpose, when the control signal is damaged, the vertical sync pulse is varied so as to be identical with the control signal and is substituted therefore, thus, the phase of a capstan motor is controlled, and at the same time, auto-tracking is carried out, thereby providing a clear picture.

REFERENCES:
patent: 3959818 (1976-05-01), Iketaki
patent: 4390977 (1983-06-01), Onigata et al.
patent: 4409628 (1983-10-01), Frimet et al.
patent: 4672474 (1987-06-01), Rodal

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