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:
Apr. 20, 2004

Filed:

Feb. 22, 2000
Applicant:
Inventors:

Teruhisa Sako, Kyoto, JP;

Hiroaki Hayashi, Kyoto, JP;

Eiji Yokoyama, Kyoto, JP;

Assignee:

Rohm Co., Ltd., Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/04 ;
U.S. Cl.
CPC ...
H04N 1/04 ;
Abstract

An image sensor according to the present invention includes a casing ( ), a light source disposed in the casing ( ) for emitting light toward an object (K) to be read, and an image sensor board ( ) provided, on an obverse surface thereof, with a plurality of light receiving elements ( ) for generating image signals upon receiving light reflected by the object (K). The image sensor board ( ) is disposed so that the obverse surface thereof is directed inwardly of the casing ( ). The substrate ( ) is provided with a light shielding layer ( ) for covering the reverse surface of the substrate at least entirely over a portion of the obverse surface where the plurality of light receiving elements ( ) are mounted, so that disturbing external light is prevented from entering inside the casing ( ).


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