Optical module with movable carriage having mirror

Details Optical module with movable carriage having mirror Optical module with movable carriage having mirror

2007-11-20

2007-11-20

Lee, Cheukfan (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S474000, C358S482000, C358S483000

Reexamination Certificate

active

10425872

ABSTRACT:
An optical module with movable reflective mirrors is provided in the invention. The optical module, which is set in a scanner for the scanning of documents, comprises the following elements: a first carriage comprising a first reflective mirror, a lens and a photoelectric sensing device, wherein the first carriage moves along the scanning direction to scan the document to be scanned; a second carriage comprising a second reflective mirror, a lens and a photoelectric sensing device, wherein the second carriage can make relative movement corresponding to the first carriage along the scanning direction; and a third carriage comprising a third reflective mirror, a lens and an photoelectric sensing device, wherein the third carriage can make relative movement corresponding to the first carriage along the scanning direction. Of which, the first carriage is situated between the second carriage and the third carriage with the distance between the second carriage and the third carriage being fixed at a constant value during the course of scanning, while the image light of the document to be scanned forms an image on the photoelectric sensing device via the focusing of the lens after having been reflected via the first reflective mirror, the second reflective mirror, and the third reflective mirror sequentially.

REFERENCES:
patent: 5097290 (1992-03-01), Watanabe
patent: 5182796 (1993-01-01), Shibayama et al.
patent: 5457550 (1995-10-01), Baba et al.
patent: 6081363 (2000-06-01), Shen et al.
patent: 2005/0063025 (2005-03-01), Hayashide

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