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.

Date of Patent:
Sep. 22, 2015

Filed:

May. 06, 2014
Applicant:

Google Inc., Mountain View, CA (US);

Inventors:

Michael James Daley, Santa Clara, CA (US);

Kaigham Jacob Gabriel, Pittsburgh, PA (US);

Assignee:

GOOGLE INC., Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/00 (2006.01); H04R 19/02 (2006.01);
U.S. Cl.
CPC ...
H04R 19/02 (2013.01); H04R 2307/207 (2013.01); H04R 2499/15 (2013.01);
Abstract

An electrostatic speaker is described that includes a curved diaphragm positioned between two electrically conductive plates. According to aspects, the curved diaphragm has an 'S-shape' and is configured to electrostatically move between the conductive plates. In particular, the curved diaphragm may generally roll between the two conductive plates so as to move from left to right with respect to ends of the conductive plates and push air in a direction toward ends of the conductive plates, thus generating acoustic output. In some implementations, the configuration of the electrostatic speaker reduces a biasing voltage required for the conductive plates.


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