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:
May. 17, 2022
Filed:
Apr. 07, 2020
Applicant:
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Inventors:
Emmanuel Marchais, Dripping Springs, TX (US);
Carl Lennart Ståhl, Malmö, SE;
Eric Lindemann, Boulder, CO (US);
Jason W. Lawrence, Austin, TX (US);
Dayong Zhou, Austin, TX (US);
Assignee:
Cirrus Logic, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 11/00 (2006.01); H04R 29/00 (2006.01); G01N 25/18 (2006.01); G01R 27/16 (2006.01); H04R 3/00 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
G01N 25/18 (2013.01); G01R 27/16 (2013.01); H04R 3/007 (2013.01); H04R 9/06 (2013.01); H04R 29/001 (2013.01); H04R 2400/01 (2013.01); H04R 2400/03 (2013.01);
Abstract
A method for determining a direct current impedance of a transducer may include receiving an input signal indicative of an electrical power consumed by the transducer and calculating, by a thermal model of the transducer, the direct current impedance based on the electrical power.