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:
Nov. 12, 2019
Filed:
Apr. 09, 2019
Applicant:
Xmems Labs, Inc., Los Altos, CA (US);
Inventors:
David Hong, Los Altos, CA (US);
Chiung C. Lo, San Jose, CA (US);
Jemm Yue Liang, Sunnyvale, CA (US);
Assignee:
xMEMS Labs, Inc., Los Altos, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 3/04 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2811 (2013.01); H04R 3/04 (2013.01);
Abstract
An air pulse generating element, disposed in a sound producing device, includes a membrane, disposed within a chamber; and a plurality of valves, disposed by the membrane within the chamber, configured to seal a plurality of openings of the chamber in response to a plurality of valve control signals; wherein the membrane and the plurality of valves are all fabricated at a first layer.