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:
Feb. 01, 2005
Filed:
Mar. 20, 2003
Applicants:
Tomio Okamoto, Hamamatsu, JP;
Shigehiro Okamoto, Hamamatsu, JP;
Inventors:
Tomio Okamoto, Hamamatsu, JP;
Shigehiro Okamoto, Hamamatsu, JP;
Assignee:
Yamaha Corporation, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10D 1302 ;
U.S. Cl.
CPC ...
Abstract
An acoustic wire assembly mounted on a drumhead, including a plurality of acoustic wires disposed parallel to each other so as to be brought into contact with and moved away from the drumhead in which at least some of the acoustic wires are polygonal (square, pentagonal, hexagonal and octagonal) in cross-section, and they can be in a coil shape or a straight shape.