Original image transporting and reading apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 1, 1992
Grant Date -
N/A
app pub date -
Dec 11, 1990
filing date -
Dec 15, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An image reading apparatus is provided with a transparent plate horizontally disposed on which an image reading operation is performed, and a transporting device disposed above the transparent plate for transporting an original sheet to the transparent plate. The transporting device includes a pressure roller for pressing the original sheet onto an upper surface of the transparent plate at a pressure applying position and transporting the original sheet along the upper surface of the transparent plate. The image reading apparatus is also provided with a light source disposed below the transparent plate for illuminating through the transparent plate a portion of the transported original sheet. The illuminated portion of the original sheet is positioned on the upper surface of the transparent plate at an upstream side of the pressure applying position with respect to a transporting direction of the original sheet. The image reading apparatus is further provided with a detecting device for detecting through the transparent plate a reflection light from the illuminated portion of the original sheet.
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