Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1995-05-30
1996-03-19
Chin, Tommy P.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358310, 348455, 348905, 348560, H04N 979
Patent
active
055007406
ABSTRACT:
A video signal reproducing apparatus for reproducing a video signal recorded on a magnetic recording medium includes a modulating circuit for receiving a color-difference line-sequential signal and modulating the color-difference line-sequential signal at intervals of one horizontal scanning period, an adding circuit for adding a luminance signal to the color-difference line-sequential signal modulated by the modulating circuit, a delay circuit for delaying a signal outputted from the adding circuit or the modulated color-difference line-sequential signal by one horizontal scanning line, and a subtracting circuit for subtracting the signal outputted from the adding circuit and not delayed by the delay circuit from a signal which has been delayed by the delay circuit by one horizontal scanning line. The video signal reproducing apparatus is arranged to provide line interpolation information for the luminance signal as well as simultaneous color-difference signals.
REFERENCES:
patent: 4941054 (1990-07-01), Muramoto
patent: 4984095 (1991-01-01), Takayama et al.
patent: 4992852 (1991-02-01), Sekizawa et al.
Canon Kabushiki Kaisha
Chin Tommy P.
Truong Khoi
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