Method and apparatus for video signal transmission using modulat

Details Method and apparatus for video signal transmission using modulat Method and apparatus for video signal transmission using modulat

1989-05-18

1990-08-28

Peng, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358138, 358141, 358 12, H04N 504, H04N 712, H04N 704, H04N 1106

Patent

active

049529528

ABSTRACT:
A method of video signal transmission using modulation, capable of, and apparatus for, facilitating an accurate image reproduction possible in an inexpensive manner by eliminating mis-sampling problem. The phase relationship between the horizontal synchronization signal and the sampling clock signal is controlled such that the phase relationship will be alternated with a completely opposite one differing by 180.degree. successively.

REFERENCES:
patent: 4335393 (1982-06-01), Pearson
patent: 4661839 (1987-04-01), Plantholt et al.
patent: 4774575 (1988-09-01), Takayama
patent: 4831441 (1989-05-01), Ando

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