Copying machine

Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer

Patent

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Details

355 7, 355 40, G03G 1504

Patent

active

047423730

ABSTRACT:
A copying machine is capable of making a portion of a copy corresponding to a specific area of a document highlightened, more specifically, capable of giving suitable contrasts among areas of the copy corresponding to the areas of the document, when those areas have different degrees of importance, and capable of forming characters on a copying paper readily without an input device, such as a word processor keyboard which requires significant modifications on the copying system.

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patent: 4291341 (1981-09-01), Yajima
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patent: 4417805 (1983-11-01), Kishi
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patent: 4627707 (1986-12-01), Tani et al.
patent: 4631599 (1986-12-01), Cawkell
patent: 4637707 (1987-01-01), Kasahara et al.
patent: 4653899 (1987-03-01), Watanabe
patent: 4692021 (1987-09-01), Watanabe

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