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:
Nov. 04, 2025
Filed:
Jan. 23, 2024
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Onur I. Ilkorur, Santa Clara, CA (US);
Christopher Wilk, Los Gatos, CA (US);
Martial A. Rousseau, Saratoga, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 23/00 (2006.01); H05K 5/00 (2006.01);
U.S. Cl.
CPC ...
H04R 23/00 (2013.01); H05K 5/0086 (2013.01); H04R 2499/11 (2013.01);
Abstract
A transducer assembly comprising: an air motion transformer having a magnet assembly operable to provide a magnetic field and a folded diaphragm having conductive traces and operable to expand or contract in a first direction and emit a sound in a second direction perpendicular to the first direction; and a ferromagnetic assembly comprising a number of fixed members arranged within folds of the folded diaphragm to provide a closed loop magnetic circuit that drives the expansion or contraction of the folded diaphragm.