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:
Aug. 12, 2025
Filed:
Apr. 25, 2023
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Richard J. Topliss, Cambridge, GB;
Thomas M. Gregory, Cambridge, GB;
Scott C. Grinker, Belmont, CA (US);
Christopher J. Walton, Sunnyvale, CA (US);
Julia C. Canning, Sunnyvale, CA (US);
Michael B. Nussbaum, Santa Cruz, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
H04R 25/45 (2013.01); H04R 2460/11 (2013.01);
Abstract
An in-ear electronic device comprising: an enclosure having an enclosure wall that defines an interior chamber surrounding a transducer and an opening from the interior chamber to an ambient environment surrounding the enclosure; and an acoustic valve comprising a driven member coupled to a driving member having a lever and a shape memory alloy operable to cause the driven member to open and close the opening upon application of a current.