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:
Apr. 25, 2017
Filed:
Mar. 05, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Junichi Takeuchi, Chino, JP;
Takuya Kinugawa, Chino, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 9/00 (2006.01);
U.S. Cl.
CPC ...
G01L 9/0054 (2013.01); G01L 9/0052 (2013.01); G01L 9/0055 (2013.01);
Abstract
A physical quantity sensor includes a plurality of diaphragm portions which are bent and deformed due to pressure reception, and a plurality of piezoresistive elements which are disposed in the diaphragm portions at different locations from each other and are electrically connected to each other in series. The plurality of piezoresistive elements constitute a bridge circuit.