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.

Date of Patent:
Apr. 21, 2025

Filed:

Dec. 01, 2022
Applicant:

Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;

Inventors:

Ning Li, Cedar Park, TX (US);

Hamid Sepehr, London, GB;

Ben Leslie, London, GB;

Aleksey Khenkin, Lago Vista, TX (US);

Michael Kurek, Austin, TX (US);

Marco A. Janko, Austin, TX (US);

Vadim Konradi, Austin, TX (US);

Peter Foskey, Austin, TX (US);

Aaron Treptow, Austin, TX (US);

Assignee:

Cirrus Logic Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2005.12); H04R 9/02 (2005.12); H04R 29/00 (2005.12);
U.S. Cl.
CPC ...
H04R 3/007 (2012.12); H04R 9/022 (2012.12); H04R 29/001 (2012.12); H04R 2400/03 (2012.12);
Abstract

A method of controlling a vibrational transducer, the method comprising: tracking a temperature metric of the vibrational transducer; and controlling a drive signal for the vibrational transducer, where the drive signal is limited to a value to protect the vibrational transducer from over excursion, and where said value is a function of the tracked temperature metric.


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