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:
Oct. 13, 2020
Filed:
Jun. 19, 2018
Applicant:
Yamaha Corporation, Hamamatsu-shi, Shizuoka, JP;
Inventors:
Yukitoshi Suzuki, Hamamatsu, JP;
Mineko Kosugi, Fukuroi, JP;
Assignee:
Yamaha Corporation, Hamamatsu-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 1/16 (2006.01); H01L 41/053 (2006.01); H01L 41/083 (2006.01); H01L 41/193 (2006.01); G01L 9/00 (2006.01); H01L 41/113 (2006.01); H01L 41/047 (2006.01);
U.S. Cl.
CPC ...
G01L 1/16 (2013.01); G01L 9/008 (2013.01); H01L 41/0472 (2013.01); H01L 41/053 (2013.01); H01L 41/083 (2013.01); H01L 41/1132 (2013.01); H01L 41/193 (2013.01);
Abstract
A pressure sensor according to an aspect of the present invention comprises a plurality of piezoelectric elements that are sheet-like and laminated, wherein: the plurality of piezoelectric elements are divided into a plurality of element groups; and the plurality of element groups are connected in parallel and in each element group the piezoelectric elements are connected in series, or the plurality of element groups are connected in series and in each element group the piezoelectric elements are connected in parallel.