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:
Mar. 19, 2019

Filed:

Jan. 04, 2016
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Peter J. Johnston, San Francisco, CA (US);

Neal V. Cecil, Cupertino, CA (US);

Robert Il McKeever, San Jose, CA (US);

William O. Ferry, San Jose, CA (US);

Steven P. Hier, Morgan Hill, CA (US);

Clinton Bauder, Sunnyvale, CA (US);

Aaron J. Barber, San Jose, CA (US);

Reese A. Schreiber, Sunnyvale, CA (US);

Assignee:

APPLE INC., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/44 (2006.01); H01M 10/46 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0036 (2013.01); H02J 7/0052 (2013.01); H02J 7/0068 (2013.01); H02J 2007/0062 (2013.01);
Abstract

Circuits, methods, and apparatus where a dongle or adapter may provide continuous power in the event of a disconnection of a charging device. One example may provide a dongle having a charge storage circuit. A charging device connected to the dongle may be used to power an accessory also connected to the dongle. Following a disconnection of the charging device, the dongle may use the charger storage circuit to provide power to the accessory for a first duration. After the first duration, a host device also connected to the dongle may provide power to the accessory via the dongle.


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