Image-reading device employing contact image sensor

Details Image-reading device employing contact image sensor Image-reading device employing contact image sensor

2011-08-09

2011-08-09

Haskins, Twyler L (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S486000, C358S482000, C358S483000, C358S497000, C358S496000, C250S208100

Reexamination Certificate

active

07995250

ABSTRACT:
An image-reading device includes an image sensor, a clock generator, a resolution setting unit, and a resolution switching unit. The image sensor has a plurality of photodetectors arranged linearly. The clock generator generates clocks having a clock speed. The resolution setting unit sets a resolution of the image sensor. The resolution switching unit switches the resolution set by the resolution setting unit when one of the plurality of photodetectors has read a border pixel between a pixel segment inside the original document and a pixel segment outside the original document while reading one line of the original document.

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