Format-information synthesizing system

Details Format-information synthesizing system Format-information synthesizing system

1978-12-20

1981-05-12

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

3401463R, 340709, 346108, 354 5, 355 3R, 358302, G06K 900, B41B 1300, G01D 1504

Patent

active

042675480

ABSTRACT:
A format pattern carried on a format transparency is photoelectrically converted into an electric signal. The electric signal representing the format pattern is inputted into an "exclusive-or" circuit together with a character pattern signal representing output information of a computer. The output of the "exclusive-or" circuit controls an on-off modulator which modulates a laser beam for recording the output information of the computer. The modulated laser beam is deflected by a beam scanner to scan a photosensitive or heat sensitive film to record thereon the format pattern together with the computer output information.

REFERENCES:
patent: 3609749 (1971-09-01), McClelland
patent: 3648272 (1972-03-01), Schroder et al.
patent: 3701999 (1972-10-01), Congleton et al.
patent: 3868673 (1975-02-01), Mau, Jr. et al.
patent: 4028695 (1977-06-01), Saich
patent: 4109256 (1978-08-01), Ohnishi
patent: 4122462 (1978-10-01), Hirayama et al.

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