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:
Feb. 27, 2024
Filed:
Dec. 31, 2020
Applicant:
Knowles Electronics, Llc, Itasca, IL (US);
Inventors:
Mohammad Sadegh Mohammadi, Lyngby, DK;
Mohammad Shajaan, Copenhagen, DK;
Assignee:
KNOWLESELECTRONICS, LLC., Itasca, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 3/00 (2006.01); B81B 7/00 (2006.01); H04R 1/04 (2006.01); H04R 3/02 (2006.01); H04R 19/04 (2006.01);
U.S. Cl.
CPC ...
H03M 3/464 (2013.01); B81B 7/008 (2013.01); H04R 1/04 (2013.01); H04R 3/02 (2013.01); H04R 19/04 (2013.01); B81B 2201/0257 (2013.01); B81B 2207/03 (2013.01); H04R 2201/003 (2013.01);
Abstract
The present disclosure relates generally to digital microphone and other sensor assemblies including a transducer and a delta-sigma analog-to-digital converter (ADC) with digital-to-analog converter (DAC) element mismatch shaping and more particularly to sensor assemblies and electrical circuits therefor including a dynamic element matching (DELM) entity configured to select DAC elements based on data weighted averaging (DWA) and a randomized non-negative shift.