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:
Mar. 17, 2026
Filed:
Jan. 19, 2023
Yamaha Corporation, Hamamatsu, JP;
Yohei Wada, Hamamatsu, JP;
Yasuro Okumiya, Shuchigun Morimachi, JP;
Koji Yataka, Hamamatsu, JP;
Katsunori Suzuki, Hamamatsu, JP;
YAMAHA CORPORATION, Hamamatsu, JP;
Abstract
A strain sensor for detecting movement of a measurement target according to one example includes: a fixed member having a frame which is ring-shaped; and a first strain sensor element and a second strain sensor element, each of the first strain sensor element and the second strain sensor element being string-shaped or strip-shaped, and the first and second strain sensor elements being stretchable and recoverable in a lengthwise direction of the first strain sensor element and a lengthwise direction of the second strain sensor element. The first and second strain sensor elements extend across the frame and are disposed such that the first and second strain sensor elements cross each other, and the frame is configured to be deformable at least in the lengthwise direction of the first strain sensor element and the lengthwise direction of the second strain sensor element.