Optical printer for line-by-line image forming

Details Optical printer for line-by-line image forming Optical printer for line-by-line image forming

1983-06-17

1985-11-12

Braun, Fred L.

Recorders

Light or beam recording

Including record receiver or handling means therefor

313500, 346160, 354 5, 355 3R, G01D 942, G01D 1514

Patent

active

045531480

ABSTRACT:
A printer has an optical printing head for a line-by-line image forming of design and text information. The printing head has spaced light emitting elements arranged in a row and each having a light emitting surface. The printing head further has an optical device for reproducing the light, emitted by the light emitting elements, in one line on a light sensitive surface. The light emitting surface of each light emitting element has, parallel to the feed direction of the light sensitive surface, a dimension several times the length of image dots to be reproduced on the light sensitive surface. The optical device has an image reproducing first optical lens and a second optical lens situated between the first optical lens and the light sensitive surface for reducing the image of the light emitting surface of each light emitting element to a required light dot size on the light sensitive surface.

REFERENCES:
patent: 3827062 (1974-07-01), Mailloux
patent: 3869637 (1975-03-01), Usui
patent: 3952311 (1976-04-01), Lapeyre
patent: 4000495 (1976-12-01), Pirtle
patent: 4096486 (1978-06-01), Pfeifer et al.
patent: 4107687 (1978-08-01), Pfeifer et al.
patent: 4376282 (1983-03-01), Kotani et al.
patent: 4447126 (1984-05-01), Heidrich

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