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:
Apr. 21, 2020
Filed:
Mar. 07, 2019
Apple Inc., Cupertino, CA (US);
Jordi Antoni Garcia Selva, San Jose, CA (US);
Andrew M Hulva, San Jose, CA (US);
Anthony P Grazian, Mountain View, CA (US);
Matthew A Donarski, San Francisco, CA (US);
Onur I Ilkorur, Campbell, CA (US);
Alexander V Salvatti, Morgan Hill, CA (US);
APPLE INC., Cupertino, CA (US);
Abstract
A transducer assembly having a frame; a dual diaphragm and voice coil assembly suspended from the frame, the dual diaphragm and voice coil assembly having a first diaphragm and a first voice coil attached thereto and a second diaphragm and a second voice coil attached thereto, wherein the first voice coil and the second voice coil are between the first diaphragm and the second diaphragm, and the first diaphragm and the second diaphragm are operable to move in opposite directions along an axis of vibration; a magnet assembly positioned within the frame, the magnet assembly having a first magnet and a second magnet positioned between the first diaphragm and the second diaphragm; and a rigid support member dimensioned to fixedly connect the magnet assembly to the frame.