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.

Date of Patent:
Feb. 27, 2018

Filed:

Dec. 08, 2015
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Jeffrey J. Terlizzi, San Francisco, CA (US);

Jonathan J. Andrews, San Jose, CA (US);

Alexei Kosut, Mountain View, CA (US);

James M. Hollabaugh, San Jose, CA (US);

Zachary C. Rich, Sunnyvale, CA (US);

Daniel J. Fritchman, Sunnyvale, CA (US);

Assignee:

APPLE INC., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/007 (2013.01); H02J 7/0004 (2013.01); H02J 7/0047 (2013.01); H02J 7/0052 (2013.01); H02J 2007/0001 (2013.01); H02J 2007/005 (2013.01); H02J 2007/0096 (2013.01); H02J 2007/0098 (2013.01);
Abstract

Methods, systems, and apparatuses for charging a host device from a charging source through an accessory are described. Upon detecting an input power signal from the charging source, an accessory may send an identification request to the host device and authenticate the host device based on the identification information received from the host device. Upon authenticating the host device, the accessory may enable a power path between the charging source and the host device to supply a charging current to charge the host device.


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