Electrophotography – Image formation – Exposure
Patent
1995-10-12
1997-10-14
Ramirez, Nestor R.
Electrophotography
Image formation
Exposure
399379, G03G 15041
Patent
active
056781466
ABSTRACT:
A measuring apparatus for determining the appropriate level of magnification to reproduce a document onto an output sheet with pre-determined dimensions is disclosed. The device may be mounted to the surface of the copy machine or it may be attached to the side of the platen glass. The original document is properly lined up with the measuring device, and horizontal and vertical magnification factors are read from both sides. The smaller of the two values is then entered into the magnification system of the copy machine. This will allow an original document of any size to be copied onto a sheet of paper with pre-determined dimensions. Several devices may be used together to form a set to allow the user to determine the appropriate magnification factor for a copy sheet with virtually any dimensions.
REFERENCES:
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patent: 4682877 (1987-07-01), Fujiwara et al.
patent: 4809050 (1989-02-01), Ito
patent: 4961090 (1990-10-01), Gray, Jr. et al.
patent: 4974164 (1990-11-01), Lewis et al.
patent: 5150224 (1992-09-01), Mizude et al.
Canon NP3050 Instruction Manual, pp. 3-11, 1991.
Ramirez Nestor R.
Xerox Corporation
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