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. 11, 2014
Filed:
Jul. 08, 2011
Applicants:
Masayoshi Yamashita, Hamamatsu, JP;
Yasuaki Takano, Kikugawa, JP;
Inventors:
Masayoshi Yamashita, Hamamatsu, JP;
Yasuaki Takano, Kikugawa, JP;
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrostatic loudspeaker includes: a vibrating member; an electrode disposed so as to be opposed to the vibrating member; a spacer member disposed on an opposite side of a face of the electrode, which is opposed to the vibrating member, and having acoustic transmission property; and a cover member disposed on an opposite side of a face of the spacer member, which is opposed to the electrode, and having waterproof property and insulation property.