Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1975-08-15
1976-09-28
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 8, 355 51, 355 66, G03G 1500
Patent
active
039828336
ABSTRACT:
An optical system, particularly for use in an electrostatic copier of the type in which a document is scanned as it moves through an object plane, and an image transmitted to a photoconductive element which is moving through an image plane. A plurality of optical systems each including a lens of short focal length and a roof mirror, are adapted to transmit a portion of an illuminated object plane along parallel light paths. The images thus transmitted are so oriented with respect to each other as to form an integrated image on a receiving surface located at an image plane. In one embodiment the receiving surface is in the nature of a transfer mechanism which has the image cast thereupon in wrong reading orientation, and which mechanically transfers the image, in right reading orientation, to a copy sheet. By introducing an additional plane mirror into the system, the image can be converted to a right reading image for projection directly on a moving copy sheet at an image plane.
REFERENCES:
patent: 3580675 (1971-05-01), Hieber et al.
patent: 3703335 (1972-11-01), Hoffman et al.
Addressograph Multigraph Corporation
Moses R. L.
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