Arrangement for the recording and reproduction of wide frequency

Details Arrangement for the recording and reproduction of wide frequency Arrangement for the recording and reproduction of wide frequency

1977-09-08

1979-05-22

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Splitting one information signal for recording on plural...

360 21, 360 24, G11B 504, H04N 578

Patent

active

041562569

ABSTRACT:
Method of recording and reproduction of wide frequency band video signals onto or from a magnetizable recording carrier, carried out by the following means: means for separating of the video frequency signals into first and second signals of lower and upper frequency range respectively, for converting said second signal into a third signal the frequency range of which equaling that of said first signal, for frequency modulating a carrier wave frequency by said first and third signals and for recording the frequency modulated signals by means of a twin head, for reproducing the recorded signals by means of a twin head and for amplifying, limiting and demodulating the recorded signals and reconverting the third signal into its original frequency range and combining the so reconverted third signal and said first signal.

REFERENCES:
patent: 2941032 (1960-06-01), Geiger et al.
patent: 2989595 (1961-06-01), Hunter
patent: 3037091 (1962-05-01), Rothe
patent: 3234323 (1966-02-01), Kihara
patent: 3723643 (1973-03-01), Suzuki
patent: 3764739 (1973-10-01), Faroudja
patent: 3812523 (1974-05-01), Narahara
patent: 3821797 (1974-06-01), Suzuki et al.

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