Method of processing video signals for time base correction

Details Method of processing video signals for time base correction Method of processing video signals for time base correction

1979-11-27

1982-08-10

Canney, Vincent P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

360 10, 360 36, 360 37, 358158, 3581951, 358159, H04N 576, H04N 5795

Patent

active

043440878

ABSTRACT:
A method of processing video signals for eliminating vertical picture fluctuations caused when a video tape recorder reproduces video signals at a tape speed different from that used for recording the video signals. The vertical picture fluctuations are eliminated by substituting distorted vertical synchronous signals for the original vertical synchronous signal, the distorted vertical synchronous signals generated by a processing apparatus having a correction circuit which corrects for the difference in frequency characteristics between the video signal path and the vertical synchronous signal path.

REFERENCES:
patent: 3984867 (1976-10-01), Harnandez
patent: 4081834 (1978-03-01), Takamiya
patent: 4104684 (1978-08-01), Wakami
patent: 4126886 (1978-11-01), Takahara

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