Contact image sensor image reading apparatus

Details Contact image sensor image reading apparatus Contact image sensor image reading apparatus

1997-08-25

1999-05-04

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358494, 358474, H04N 104

Patent

active

059009519

ABSTRACT:
Disclosed is a CIS (contact image sensor) scanner which apples a CIS module with two bracket arms for assuring a document sheet in focus. The CIS module is mounted on a pair of shafts. Each shaft is rested on a pair of shaft bearings. At each shaft bearing, there is a rigid body interposed between the shaft and the document sheet. Inside each shaft bearing, there is an elastic element under the shaft for uplifting the CIS module to press the rigid body firmly onto the bottom surface of the sheet table. The rigid body and the elastic elements can help to maintain a stable distance between the sheet table and the CIS module, thereby improving the picture quality of images.

REFERENCES:
patent: 5504586 (1996-04-01), Garcia et al.
patent: 5610731 (1997-03-01), Itoh
patent: 5801851 (1998-09-01), Sheng

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