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:
Jan. 18, 2022
Filed:
Sep. 14, 2018
Applicant:
Knowles Electronics, Llc, Itasca, IL (US);
Inventors:
Vahid Naderyan, Itasca, IL (US);
Michael Kuntzman, Chicago, IL (US);
Sung Bok Lee, Chicago, IL (US);
Wade Conklin, Chicago, IL (US);
Assignee:
KNOWLES ELECTRONICS, LLC, Itasca, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 19/04 (2006.01); B81B 7/00 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); B81B 7/0077 (2013.01); B81B 2201/0257 (2013.01); B81B 2203/0127 (2013.01); H04R 2201/003 (2013.01);
Abstract
A microphone assembly includes an acoustic transducer having a back plate and a diaphragm, such that a surface of the back plate includes a plurality of holes. At least a portion of the plurality of holes are arranged in a non-uniform pattern. The non-uniform pattern includes holes of varying sizes spaced apart from neighboring holes by varying distances. The microphone assembly further includes an audio signal electrical circuit configured to receive an acoustic signal from the acoustic transducer.