System for controlling an original image scanning for use in...

Details System for controlling an original image scanning for use in... System for controlling an original image scanning for use in...

G - Physics

03

G

352/53.76

G03G 15/28 (2006.01) G03B 27/32 (2006.01) G03B 27/50 (2006.01) G03B 27/52 (2006.01)

Patent

CA 1148256

TITLE OF THE INVENTION SYSTEM FOR CONTROLLING AN ORIGINAL IMAGE SCANNING FOR USE IN SLIT EXPOSURE TYPE IMAGE RECORDING APPARATUS ABSTRACT OF THE DISCLOSURE A system for controlling the scanning of an original image in a slit exposure type image recording apparatus adapted to project an original image onto an image recording medium moving at a pre- determined speed, which comprises oscillation means for generating an output of a predetermined frequency, a first pulse counting means supplied with the output from said oscillation means and magnifica- tion data corresponding to a desired image magnification ratio and generating output pulses of a second predetermined frequency. Power amplifying means receives the output pulses from the first pulse counting means and generates a power output. A synchronous motor is driven by the power output from the power amplifying means for moving the original image scanner.

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