Electrophotographic apparatus

Details Electrophotographic apparatus Electrophotographic apparatus

1976-06-14

1978-12-12

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3R, 355 51, G03G 1500, G03G 1528

Patent

active

041293762

ABSTRACT:
An image on an original (hereinafter referred to as an "original image") is exposed as an erect image on a photoconductive recording medium by a first optical system, and as an image by inversion (hereinafter referred to as an "inverted image") by a second optical system. The first and second optical systems are established by selectively moving a mirror lens or a prism lens, respectively, into the optical path formed between the original and the photoconductive recording medium. A charged latent image formed on the photoconductive recording medium by the inverted image exposure is developed by a toner containing a sublimable dye. The inverted image on the recording medium thus developed by the toner containing the sublimable dye is utilized as a copy master for heat transfer to another recording medium.

REFERENCES:
patent: 2845841 (1958-08-01), Collins
patent: 2940358 (1960-06-01), Rosenthal
patent: 3331592 (1967-07-01), Cassano et al.
patent: 3386379 (1968-06-01), Gundlach et al.
patent: 3776629 (1973-12-01), Ogawa
patent: 3976372 (1976-08-01), Miyata et al.
patent: 3992093 (1976-11-01), Jakobson

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