Apparatus for controlling a scanning speed of an image scanner

Details Apparatus for controlling a scanning speed of an image scanner Apparatus for controlling a scanning speed of an image scanner

1998-06-30

2000-11-14

Lee, Cheukfan

Facsimile and static presentation processing

Facsimile

Picture signal generator

358474, 358496, 358497, H04N 104

Patent

active

061477761

ABSTRACT:
An image scanner, including an optical image reading unit which reads an image from a document and a carriage which carries the optical image reading unit. Also included is a motor which drives the carriage, and a driver which outputs a sequence of drive signals to drive the motor. Further, a timing of each drive signal of the sequence of drive signals output by the driver is selected in accordance with a desired incremental magnification of the document. In addition, the incremental magnification of the document may be selected in steps of 0.1%.

REFERENCES:
patent: 4920419 (1990-04-01), Easterly
patent: 4947267 (1990-08-01), Masaki et al.
patent: 5045763 (1991-09-01), Kobayashi et al.
patent: 5198909 (1993-03-01), Ogiwara et al.
patent: 5949923 (1999-09-01), Ikeda
patent: 5970181 (1999-10-01), Ohtsu
patent: 6009292 (1999-12-01), Jinbo et al.

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