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:
Mar. 17, 2020
Filed:
Sep. 01, 2016
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Nikolas T. Vitt, Sunnyvale, CA (US);
Christopher Wilk, Los Gatos, CA (US);
David M. Pelletier, Cupertino, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H01F 7/02 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); H01F 7/0289 (2013.01); H04R 9/06 (2013.01); H04R 2499/11 (2013.01);
Abstract
An audio speaker having a magnet assembly for directing a magnetic field through a magnetic circuit, and an electrical circuit for carrying an electrical audio signal current through at least part of the magnet assembly, are disclosed. More particularly, a voicecoil in the electrical circuit may be in electrical contact with a magnetic plate of the magnet assembly. The voicecoil may be electrically connected with a speaker driver circuit at least partly through the magnetic plate. Other embodiments are also described and claimed.