Facsimile and static presentation processing – Facsimile – Picture signal generator
Reissue Patent
2011-06-28
2011-06-28
Safaipour, Houshang (Department: 2625)
Facsimile and static presentation processing
Facsimile
Picture signal generator
C358S488000, C358S498000, C358S474000, C358S449000, C358S487000
Reissue Patent
active
RE042498
ABSTRACT:
A wide image scanner which can scan the image of a large scale original using only a regular image sensor is provided. The invention includes a sliding shaft, an image reading device, a number of paper width sensors, a paper edge sensor, and a control module. Whenever the paper edge sensor detects the presence of an end edge of the original, it will send a vertical control signal to the control module to control the rotation direction of the rollers. On the other hand, the paper width sensors detect the width of the original and send the horizontal control signals to the control module. From the horizontal control signals, the control module can determine the number of horizontal displacement positions and control the horizontal displacement each time for the image reading device after the paper edge sensor detects the end edge of the original. The procedure continues until the image reading device has been moved to the final displacement position predetermined by the horizontal control signal. Consequently, the entire image of the origin can automatically be read portion by portion without manual operation.
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Lin John
Tang Ming-Chung
Perkins Coie LLP
Safaipour Houshang
Transpacific Opties LLC
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