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:
Sep. 11, 2023
Apple Inc., Cupertino, CA (US);
Anthony P. Grazian, Mountain View, CA (US);
Christopher Wilk, Los Gatos, CA (US);
Onur I. Ilkorur, Santa Clara, CA (US);
Catherine G. Waft, Sunnyvale, CA (US);
Daniel W. Corona, San Francisco, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A transducer assembly comprising: a frame positioned within an interior chamber defined by an enclosure comprising a port to an ambient environment; a surround comprising a fixed portion sealed to the frame and a movable portion dividing the interior chamber into a front volume chamber coupling a first side of the surround to the port and a back volume chamber coupled to a second side of the surround; and a barometric vent coupled to the fixed portion to vent a pressure between the front volume chamber and the back volume chamber.