Precision deep input guide clip for document scanners and...

Details Precision deep input guide clip for document scanners and... Precision deep input guide clip for document scanners and...

H - Electricity

04

N

H04N 1/04 (2006.01) H04N 1/031 (2006.01) H04N 1/12 (2006.01) H04N 1/193 (2006.01)

Patent

CA 2312337

A document-guiding device that clips onto the image sensor of a document scanner ensures that documents to be scanned are introduced into the scanner at an optimal angle and are applied to the transparent surface of the image sensor at an optimal pressure, thereby avoiding scratching and soiling the sensor glass surface. Moreover, the deep input guide clip includes a sharp edge that acts as a scrapper to remove or flatten protruding impurities to further reduce soiling the sensor transparent surface. The deep input guide clip has the added benefit of stopping parasitic ambient light and protecting the image sensor against hard falling objects thus avoiding breakage of the transparent surface. The deep input guide clip forms a compact enclosure that may also hold a set of document proximity sensors and associated control electronics for precisely detecting the leading edge of the document when it is introduced in the scanner, its width and its trailing edge.

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