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:
Sep. 18, 2018
Filed:
Jun. 30, 2016
Applicant:
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Inventors:
Sunder S. Kidambi, Austin, TX (US);
John C. Tucker, Austin, TX (US);
Aleksey Khenkin, Nashua, NH (US);
Assignee:
Cirrus Logic, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 15/00 (2006.01); H04R 3/06 (2006.01); H04R 29/00 (2006.01);
U.S. Cl.
CPC ...
H04R 3/06 (2013.01); H04R 29/004 (2013.01); H04R 2201/003 (2013.01);
Abstract
In accordance with embodiments of the present disclosure, a system may include a digital correcting network for correcting for an intrinsic highpass filter of a microelectromechanical systems (MEMS) microphone such that a combined phase and magnitude response of a cascade of the intrinsic highpass filter and the digital correcting network substantially approximates the response of a target highpass filter.