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. 15, 2022
Filed:
Aug. 14, 2020
Applicant:
The Regents of the University of California, Oakland, CA (US);
Inventors:
Qin Zhou, Fremont, CA (US);
Alexander K. Zettl, Kensington, CA (US);
Assignee:
The Regents of the University of California, Oakland, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 19/00 (2006.01); H04R 19/02 (2006.01); H04R 29/00 (2006.01); H04R 23/00 (2006.01); B82Y 15/00 (2011.01);
U.S. Cl.
CPC ...
H04R 19/005 (2013.01); H04R 19/02 (2013.01); H04R 29/001 (2013.01); B82Y 15/00 (2013.01); H04R 23/002 (2013.01); Y10S 977/733 (2013.01);
Abstract
This disclosure provides systems, methods, and device associated with an electrostatically driven graphene speaker. In one aspect, the device includes a graphene membrane having a diameter of about 3 millimeters to about 11 millimeters, and a first electrode proximate a first side of the graphene membrane, the first electrode being electrically conductive. The device is a microphone or a loudspeaker.