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:
Sep. 17, 1991

Filed:

Dec. 05, 1990
Applicant:
Inventors:

Yukihiro Yoshida, Yokohama, JP;

Hirokazu Fukuda, Kakogawa, JP;

Hiroyuki Tsuchida, Kawasaki, JP;

Shigeki Hamashima, Yokohama, JP;

Koji Hirota, Yokohama, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ; G01J / ;
U.S. Cl.
CPC ...
250352 ; 2503381 ;
Abstract

An infrared rays detecting apparatus is disclosed wherein the area of a loop provided by an element line and a grounding line formed on an inner tube is minimized to reduce an induced electromotive force to minimize production of noises so that correct detection can be accomplished. A grounding line is interposed for each arbitrary number of element lines on a surface of the inner tube, and the element lines are individually connected to output electrodes of an infrared rays sensor of the multi-element type while the individual grounding lines are connected to a common grounding electrode of the infrared rays sensor.


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Yoshida, Yukihiro. (1991). Infrared rays detecting apparatus (U.S. Patent No. 5049751). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5049751

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