Recording and demodulation devices for electronic still camera

Details Recording and demodulation devices for electronic still camera Recording and demodulation devices for electronic still camera

1992-01-21

1992-10-06

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358330, 358909, H04N 979

Patent

active

051537400

ABSTRACT:
A device for use in an apparatus for demodulating the signal reproduced from a recording medium in a still video camera or the like in which the phase of the demodulated signal is always accurately detected. Horizontal periods in which the respective line-sequential color difference signals B-Y and R-Y are present are discriminated, and a timer is operated during periods when the B-Y signal is present. Data is read from the reproduced modulated signal at predetermined points within a half cycle of the waveform of the signal as designated by outputs of the timer.

REFERENCES:
patent: 4152721 (1979-05-01), Kim
patent: 4271427 (1981-06-01), Van Den Driessche
patent: 4412181 (1983-10-01), Marguinaud et al.
patent: 4468708 (1984-08-01), Coleman, Jr.
patent: 4660071 (1987-04-01), Kuribayashi
patent: 4800448 (1989-01-01), Kaneko et al.

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