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. 20, 2018
Filed:
Jun. 30, 2015
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Victor Luzzato, Taipei, TW;
Joseph C. Poole, Cupertino, CA (US);
Christopher D. Prest, Cupertino, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/00 (2006.01); H04R 11/02 (2006.01); H04R 9/06 (2006.01); H04R 7/20 (2006.01); B29C 45/00 (2006.01); H04R 7/12 (2006.01); B29K 507/04 (2006.01); B29L 31/38 (2006.01);
U.S. Cl.
CPC ...
H04R 7/20 (2013.01); B29C 45/0001 (2013.01); B29C 45/0013 (2013.01); H04R 7/12 (2013.01); B29K 2507/04 (2013.01); B29L 2031/38 (2013.01);
Abstract
The disclosure relates to an audio device that includes a diaphragm having a graphene material, such as a graphene flake, that is incorporated into a base material. The audio device may form part of a speaker device, a microphone device, or a headphone device. The concentration of the graphene and/or a size of the graphene flakes may be varied throughout the diaphragm to define a stiff center portion and a flexible portion that surrounds the center portion.