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. 08, 1989

Filed:

Jul. 27, 1988
Applicant:
Inventors:

Kenichi Morimoto, Nara, JP;

Takao Tagawa, Kashihara, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 75 ; 358 42 ;
Abstract

A documenting reading apparatus is comprised of a cylindrically shaped color filter with three filter elements having different colors. Both a light source and a cylindrical lens are disposed inside this cylindrical filter.


Find Patent Forward Citations

Morimoto, Kenichi. (1989). Document reading apparatus with color filter (U.S. Patent No. 4855818). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4855818

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

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