Recording apparatus with improved S/N ratio

Details Recording apparatus with improved S/N ratio Recording apparatus with improved S/N ratio

1987-12-08

1990-07-10

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358330, 360 22, 360 30, 360 331, H04N 5782

Patent

active

049410555

ABSTRACT:
An information signal recording apparatus for recording an information signal having a predetermined frequency band onto a recording medium, which comprises signal separating means for receiving said information signal and for separating the received information signal into a first signal having a first frequency band and a second signal having a second frequency band which is higher than said first frequency band and outputting said first and second signals; first recording means for forming a frequency-modulated first signal by frequency-modulating the first signal outputted from said signal separating means and for recording said frequency-modulated first signal onto a first area of said recording medium; and second recording means for forming a frequency-modulated second signal, which is interleaved relatively to said frequency-modulated first signal, by frequency-modulating the second signal outputted from said signal separating means and for recording said frequency-modulated second signal onto a second area of said recording medium which is different from said first area.

REFERENCES:
patent: 4654724 (1987-03-01), Nagano
patent: 4668997 (1987-05-01), Nagano et al.
patent: 4779133 (1988-10-01), Sugimori

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