Compact optical imaging apparatus

Details Compact optical imaging apparatus Compact optical imaging apparatus

1982-05-10

1984-01-24

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Plural

355 1, 355 51, G03B 2744

Patent

active

044272910

ABSTRACT:
Compact optical imaging apparatus for projecting in focus an upright and wrong-reading light image of an information bearing document in an object plane onto a parallel image plane. The apparatus comprises a plurality of lenses located between the object plane and the image plane for projecting a plurality of overlapping segments of a light image along an optical path. A light image of an information bearing document in the object plane is directed to the lenses. A plurality of roof mirrors (i) receive such image segments from the lenses, (ii) reverse and invert such image segments, and (iii) reflect the image segments back through the lenses along the path toward the image plane. The image segments are then directed from the lenses to the image plane to form an upright and wrong-reading image of the information bearing document in the image plane.

REFERENCES:
patent: 3606535 (1971-09-01), Koizumi
patent: 3655284 (1972-04-01), Agliata
patent: 3836249 (1974-09-01), Weber
patent: 3982833 (1976-09-01), Kolibas
patent: 4316665 (1982-02-01), Mochizuki et al.
patent: 4357099 (1982-11-01), Taguchi et al.

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