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:
Jan. 09, 2018

Filed:

Jul. 20, 2015
Applicant:

Motorola Mobility Llc, Chicago, IL (US);

Inventors:

Martin R. Pais, North Barrington, IL (US);

Hossein Maleki, Duluth, GA (US);

Assignee:

Motorola Mobility LLC, Chicago, IL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0072 (2013.01); H02J 7/0021 (2013.01); H02J 7/0042 (2013.01);
Abstract

A user device can include a first battery configured to power the user device and a second battery configured to power the user device. The user device can further include a temperature sensor configured to monitor a temperature of the second battery and a heating element configured to heat the second battery to increase an operating efficiency of the second battery when a temperature of the user device falls below a threshold temperature value. A switch can be configured to switch on the heating element to heat the second battery when the temperature sensor determines that the second battery is below a threshold temperature value.


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