Photocopying – Contact printing – Light boxes
Patent
1987-11-19
1989-07-18
Grimley, Arthur T.
Photocopying
Contact printing
Light boxes
355 55, 355218, G03G 1500
Patent
active
048497894
ABSTRACT:
An image duplicating apparatus having a document table for supporting a document sheet thereon divides an image area of the document into two sections and successively duplicates the respective images of the two sections onto two separate copy surfaces. Switches specify the ratio by which an image on the document sheet is to be magnified or reduced for. An image magnification/reduction lens unit responds to the switches for altering a currently established magnification or reduction ratio to the newly specified ratio of magnification or reduction. A control circuit controls the duplicating means so that, when the magnification or reduction ratio is altered prior to termination of the duplication of a first one of the two sections, a second one of the two sections is copied in the altered magnification or reduction ratio.
REFERENCES:
patent: 4017173 (1977-04-01), Komori et al.
patent: 4437756 (1984-03-01), Kawakubo et al.
patent: 4639120 (1987-01-01), Matsuura
IBM Technical Disclosure Bulletin, vol. 18, No. 10, Mar. 1976, pp. 3162 to 3163, Miller, M. J., "Program Control of Job Control Information Entry for Copier".
Higashio Kimihiko
Ito Masazumi
Grimley Arthur T.
Minolta Camera Kabushiki Kaisha
Pendergrass J.
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