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:
Aug. 23, 2022
Filed:
Aug. 07, 2019
Applicant:
Graphaudio Inc., Beverly Hills, CA (US);
Inventors:
Harry Chou, Austin, TX (US);
Jeff Maag, Belmont, CA (US);
Burt Fowler, Buda, TX (US);
Lorance Wilson, San Jose, CA (US);
Assignee:
GRAPHAUDIO INC., Beverly Hills, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/00 (2006.01); H04R 19/02 (2006.01); H04R 19/04 (2006.01);
U.S. Cl.
CPC ...
H04R 19/02 (2013.01); H04R 19/04 (2013.01);
Abstract
Described are micro electrostatic transducers and methods of making such devices. The micro electrostatic transducer is an integrated component transducing device fabricated from materials allowing for low cost, high volume manufacturing. The device includes a sheet of graphene forming the diaphragm with two electrode layers above and below the diaphragm to introduce the audio signal.