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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.

Patent No.:

US 5149955 B1

PDFFull Text
Date of Patent:
Sep. 22, 1992

Filed:

Jul. 23, 1990

Full contact image sensor device with light blocking means

Applicant:
Inventors:

Koichi Kitamura, Kawasaki, JP;

Hidenori Mimura, Kawasaki, JP;

Kazuo Yamamoto, Kawasaki, JP;

Yasumitsu Ohta, Kawasaki, JP;

Kazuyoshi Sai, Kawasaki, JP;

Assignee:

Nippon Steel Corporation, Tokyo, JP;

Attorney:

Rabin; Steven M.

Primary Examiner:

David C Nelms

Assistant Examiner:

Quet Le

Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 2502081 ;
Abstract

A full contact image sensor device comprising sensor elements adapted to macroscopically touch a document to receive reflected light from the document and to generate electric signals in response thereto, wherein a receiving surface of each sensor element has an uneven contour and the device wherein each sensor element corresponding to a pixel comprises a plurality of sensor element blocks is proposed. The devices are easily manufactured and have excellent MTF and sensitivity.

Find Patent Forward Citations

Kitamura, Koichi. (1992). Full contact image sensor device with light blocking means (U.S. Patent No. 5149955). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5149955

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

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