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:
Nov. 17, 2020
Filed:
Jan. 03, 2019
Applicant:
Google Llc, Mountain View, CA (US);
Inventors:
Changzhan Gu, Milpitas, CA (US);
Jae-won Hwang, Menlo Park, CA (US);
Assignee:
Google LLC, Mountain View, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 50/10 (2016.01); H04R 1/10 (2006.01); H02J 7/02 (2016.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1025 (2013.01); H02J 7/0042 (2013.01); H02J 7/0068 (2013.01); H02J 7/025 (2013.01); H02J 50/10 (2016.02);
Abstract
In some implementations, a headphone device includes an earpiece housing, a speaker in the earpiece housing configured to produce audio, and a wireless charging coil having a first portion that extends outside the earpiece housing and a second portion that extends within the earpiece housing. A battery charging circuit is coupled to the wireless charging coil, and the battery charging circuit is configured to charge a battery of the headphone device based on electrical current induced in the wireless charging coil.