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:
Dec. 29, 2020
Filed:
May. 21, 2019
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Onur I Ilkorur, Campbell, CA (US);
Michael J Newman, Cupertino, CA (US);
Bonnie W Tom, San Leandro, CA (US);
Christopher Wilk, Los Gatos, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 11/02 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01); H04R 9/04 (2006.01); G10K 9/13 (2006.01);
U.S. Cl.
CPC ...
H04R 11/02 (2013.01); G10K 9/13 (2013.01); H04R 9/025 (2013.01); H04R 9/046 (2013.01); H04R 9/06 (2013.01);
Abstract
A transducer assembly including a stiffener plate having a first side and a second side; a voice coil coupled to the second side of the stiffener plate; a magnet assembly positioned along the second side of the stiffener, the magnet assembly operable to produce a magnetic field that causes a movement of the magnet assembly relative to the voice coil; and a spring suspending the magnet assembly from the stiffener plate such that the movement of the magnet assembly drives a movement of the stiffener plate.