Flash bulb type thermal copying device

Details Flash bulb type thermal copying device Flash bulb type thermal copying device

1994-07-12

1997-01-14

Blankenship, Howard B.

Photocopying

Contact printing

With scanning

355 75, G03B 2704

Patent

active

055945287

ABSTRACT:
Provided is a flash bulb type thermal copying device which allows divided exposure to be carried out in a simple but highly efficient manner. The thermal copying device comprises an exposure unit 10 having a light radiating window 22, and a flash light source 24 for radiating flash light upon the light radiating window 22, a planar holder 50, detachably mounted on the exposure unit 10, carrying an assembly of an original and a heat sensitive recording medium placed one over the other in an intimate thermal contact, and moveable across the light radiating window 22 with a light transmitting region provided on one side thereof aligned with the light radiating window 22, and a feed drive device 30 and 86 for moving the holder 50 and the exposure unit 10 relative to each other across the light radiating window 22. The holder can also be used as a stencil printing device to increases its acceptability for home use.

REFERENCES:
patent: 4235431 (1980-11-01), Abrams et al.
patent: 4545674 (1985-10-01), Ishitate et al.
patent: 4550660 (1985-11-01), Sato
patent: 4987445 (1991-01-01), Burgess et al.
patent: 5138943 (1992-08-01), Kikuchi
patent: 5390001 (1995-02-01), Ishiwata et al.

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