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. 07, 2015
Filed:
Aug. 06, 2013
Applicant:
Knowles Electronics, Llc, Itasca, IL (US);
Inventors:
Peter V. Loeppert, Durand, IL (US);
Ryan M. McCall, San Jose, CA (US);
Daniel Giesecke, West Chicago, IL (US);
Sandra F. Vos, East Dundee, IL (US);
John B. Szczech, Schaumburg, IL (US);
Sung Bok Lee, Chicago, IL (US);
Peter Van Kessel, Downers Grove, IL (US);
Assignee:
KNOWLES ELECTRONICS, LLC, Itasca, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/04 (2006.01); H04R 1/08 (2006.01);
U.S. Cl.
CPC ...
H04R 1/04 (2013.01); H04R 1/086 (2013.01); H04R 2201/003 (2013.01);
Abstract
A microphone assembly includes a cover, a base coupled to the cover, a microelectromechanical system (MEMS) device disposed on the base. An opening is formed in the base and the MEMS device is disposed over the opening. The base includes a barrier that extends across the opening and is porous to sound. The remaining portions of the base do not extend across the opening.