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.:
Date of Patent:
Dec. 24, 1991
Filed:
May. 04, 1990
Applicant:
Inventor:
Kiyoshi Tanigawa, Kanagawa, JP;
Assignee:
Fuji Electric Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
250221 ; 2502221 ;
Abstract
A photoelectric switch with a pulse width discrimination circuit ensuring that an object may be surely detected even when there are a plurality of adjacent photoelectric switches, and with an amplifier having a saturation characteristic preventing function ensuring that the pulse width is not changed when the input to the amplifier is large.
Tanigawa, Kiyoshi. (1991). Photoelectric switch using pulse width discrimination (U.S. Patent No. 5075542). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5075542
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile