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:
Jul. 19, 2022
Filed:
Sep. 02, 2020
Applicant:
Xmems Labs, Inc., Santa Clara, CA (US);
Inventors:
Chiung C. Lo, San Jose, CA (US);
Yuan-Shuang Liu, Hsinchu County, TW;
David Hong, Los Altos, CA (US);
Assignee:
xMEMS Labs, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); H04R 1/28 (2006.01);
U.S. Cl.
CPC ...
H04R 29/001 (2013.01); H04R 1/2803 (2013.01);
Abstract
An acoustic testing method includes providing an electrical signal to a wafer, receiving a sound wave generated by the acoustic transducer according to the electrical signal, and generating a sensing result for determining an acoustic functionality of the acoustic transducer. The wafer includes a plurality of acoustic transducers, and the electrical signal is provided to an acoustic transducer within the wafer.