FM angular modulation system for video signal recording

Details FM angular modulation system for video signal recording FM angular modulation system for video signal recording

1981-07-21

1985-07-09

Psitos, Aristotelis M.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358310, H04N 9491

Patent

active

045285993

ABSTRACT:
A method and apparatus for recording a color video signal on a recording medium such as video disk in which effects of crosstalk between adjacent recorded tracks are eliminated and the level and phase of the subcarrier signal are maintained constant. The video signal to be recorded is processed so that the phase of the subcarrier signal is constant from frame to frame of the video signal. The video signal thus processed is recorded utilizing an FM modulation system. Specifically, the video signal is separated into a luminance signal and a subcarrier signal. Subcarrier signals to be recorded on adjacent recording tracks are superposed on the luminance signal after processing of the video signal.

REFERENCES:
patent: 3359365 (1967-12-01), Kihara
patent: 3968514 (1976-07-01), Narahara et al.
patent: 4220964 (1980-09-01), Yamagiwa et al.
patent: 4247865 (1981-01-01), Mastronardi
SMPTE, vol. 85, No. 8, Aug. 76; "The Electronic Still Store: A Digital System for the Storage and Display of Still Pictures", Connolly et al.

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