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:
Nov. 19, 2013
Filed:
Mar. 21, 2012
Applicants:
Junya Matsuoka, Hamamatsu, JP;
Atsuo Hattori, Iwata, JP;
Inventors:
Junya Matsuoka, Hamamatsu, JP;
Atsuo Hattori, Iwata, JP;
Assignee:
Yamaha Corporation, Hamamatsu-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10H 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vibration sensor for a musical instrument includes a substrate, a first electrode film that is formed on the substrate, a piezoelectric film that is formed on the first electrode film, a second electrode film that is formed on the piezoelectric film, an insulating film that is formed on the second electrode film, and a shield film that is formed on the insulating film, the shield film being made of a conductive material, electrically connected to the first electrode film and insulated from the second electrode film by the insulating film.