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:
Jan. 29, 2002

Filed:

Apr. 17, 2000
Applicant:
Inventor:

Kenji Takeda, Ohtsu, JP;

Assignee:

Optex Co., Ltd., Ohtsu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 2/186 ;
U.S. Cl.
CPC ...
G01N 2/186 ;
Abstract

A retroreflective detector comprises a detection unit which houses two transmitting elements and two receiving elements, in which a transmitting element and a receiving element form a pair and two such pairs are disposed in a matrix arrangement. Every row and column of the matrix includes one or more transmitting elements.


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Takeda, Kenji. (2002). Retroreflective detector (U.S. Patent No. 6342706). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6342706

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