Color video signal recording apparatus for suppressing best inte

Details Color video signal recording apparatus for suppressing best inte Color video signal recording apparatus for suppressing best inte

1989-12-11

1992-07-14

Envall, Jr., Roy N.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358310, H04N 521, H04N 578

Patent

active

051308118

ABSTRACT:
A recording circuit includes a frequency modulator for frequency-modulating an input signal, such as, a luminance signal of a color video signal, a phase inverter for phase-inverting a signal with a predetermined frequency which is included in an output signal of the frequency modulator and which is to be cancelled therefrom, a limiter for amplitude-limiting an output signal of the phase inverter, and an adder in which the output signal of the limiter and another signal, such as, a low-frequency converted carrier chrominance signal of the color video signal which has a carrier frequency equal to the predetermined frequency, are mixed prior to being recorded on a recording medium.

REFERENCES:
patent: 3132339 (1969-05-01), Boughnou
patent: 3893168 (1975-07-01), Bechly et al.
patent: 4223282 (1980-09-01), de Boer
patent: 4970601 (1990-11-01), Achika

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