Multiple reduction indicators for continuously variable...

Details Multiple reduction indicators for continuously variable... Multiple reduction indicators for continuously variable...

G - Physics

03

B

314/27, 95/33

G03B 27/36 (2006.01) G03B 27/38 (2006.01) G03G 15/041 (2006.01)

Patent

CA 1085211

Abstract of the Disclosure A continuously variable reduction optical system for document copiers wherein a plurality of sets of reduction indicators are provided, each set corresponding to a partic- ular size copy paper. Each set of indicators can be moved by the operator to frame the document to be copied and simultaneously the reduction optical system is set to provide proper adjustment for all system parameters. The indicators are continuously viewable by the operator. An embodiment is disclosed wherein each indicator is positioned so that reduction ratio is maintained whatever the copy paper size.

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