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:
Feb. 09, 2021
Filed:
Feb. 05, 2019
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Christopher Wilk, Los Gatos, CA (US);
Ruchir M. Dave, San Jose, CA (US);
Scott P. Porter, San Jose, CA (US);
Daniel T. McDonald, Saratoga, CA (US);
Assignee:
APPLE INC., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 1/28 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2811 (2013.01); H04R 2201/029 (2013.01);
Abstract
An audio speaker having an adsorptive insert in a speaker back volume, is disclosed. More particularly, an embodiment includes an adsorptive insert having a rigid open-pore body formed by bonded adsorptive particles. The rigid open-pore body includes interconnected macropores that transport air from the speaker back volume to adsorptive micropores in the bonded adsorptive particles during sound generation. Other embodiments are also described and claimed.