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:
Sep. 29, 2015
Filed:
Nov. 29, 2012
Applicant:
Yamaha Corporation, Hamamatsu-shi, JP;
Inventor:
Yasuaki Takano, Kikugawa, JP;
Assignee:
Yamaha Corporation, Hamamatsu-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01); H04R 19/01 (2006.01); H04R 19/02 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 19/01 (2013.01); H04R 19/02 (2013.01); H04R 31/006 (2013.01); Y10T 29/49005 (2015.01);
Abstract
An electrostatic speaker includes: an oscillator; a first cushioning material layer and a second cushioning material layer; a first electrode and a second electrode; and a first cover layer and a second cover layer. In a second region inside a first region including an outer edge end of a laminated body including a plurality of layers including at least the first cover layer and the second cover layer, two adjacent layers of the plurality of layers included in the laminated body are fixed to each other, and strength at the outer edge end in the first region is higher than strength in the second region.