The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 20, 1996

Filed:

Jan. 11, 1994
Applicant:
Inventor:

Toshihiko Ueda, Toyokawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 55 ; 355 67 ; 359679 ;
Abstract

An image reading apparatus which does not require lens replacement and which satisfies the requirements of Kohler illumination regardless of changes in projection magnification. The image reading apparatus comprising an image reading device having a predetermined length in the main scanning direction for transforming an optical image projected thereon into analog image signals, a light source, condenser elements having an aspherical effect in the main scanning direction, thereby satisfying the requirements for Kohler illumination, and projection lens for projecting an image of an original illuminated by the light source onto the image reading device. A motor can move the projection lens and its pupil along the optical axis.


Find Patent Forward Citations

Ueda, Toshihiko. (1996). Image reading apparatus (U.S. Patent No. 5548373). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5548373

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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