Optical high density FM recording device with corrective signal

Details Optical high density FM recording device with corrective signal Optical high density FM recording device with corrective signal

1978-07-07

1980-10-21

Cardillo, Jr., Raymond F.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

1791003V, 1791004C, G11B 1100, G11B 700, H04N 576

Patent

active

042297630

ABSTRACT:
An optical high density recording device which comprises, in combination, a beam generator, a beam modulator to modulate the beam in accordance with an applied modulating signal, a recording medium to record a locus of the beam irradiated thereonto. The recording medium and the beam irradiated onto the recording medium are moved relatively to one another, a recording signal is introduced onto the recording medium, a corrective voltage to be determined by a function of the recording signal is generated and is applied with the recording signal to the beam modulator as a modulating signal.

REFERENCES:
patent: 1732874 (1929-10-01), Zworykin
patent: 1802699 (1931-04-01), Bloomenthal
patent: 1986569 (1935-01-01), Frayne
patent: 2592572 (1952-04-01), Jennings
patent: 3534166 (1970-10-01), Korpel
patent: 3800099 (1974-03-01), Dickopp
patent: 3800100 (1974-03-01), Runge
patent: 3829605 (1974-08-01), Dickopp

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