Information recording system

Details Information recording system Information recording system

1975-04-11

1976-06-01

Fears, Terrell W.

Communications: electrical

Digital comparator systems

178 66R, 178 67R, 1791003D, G11C 1304

Patent

active

039613151

ABSTRACT:
An information recording system is disclosed in which a digital information recorded on a recording medium is read out, and the digital information is converted into optical patterns with darker and light densities so as to represent the logic "1" and "0." Thereafter the optical patterns are recorded on a microfilm as the dark and light images which represent the logic "1" and "0" and are available for timing or sync signals.

REFERENCES:
patent: 3252143 (1966-05-01), Sundblad
patent: 3466389 (1969-09-01), Neiswander
patent: 3569944 (1971-03-01), Bigelow
patent: 3795902 (1974-03-01), Russell

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