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:
Oct. 27, 2015

Filed:

May. 16, 2013
Applicant:

Htc Corporation, Taoyuan, Taoyuan County, TW;

Inventors:

Yueh-Hsiang Chen, Taoyuan, TW;

Chung-Cheng Tseng, Taoyuan, TW;

Assignee:

HTC Corporation, Taoyuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 52/02 (2009.01);
U.S. Cl.
CPC ...
H04W 52/0261 (2013.01); Y02B 60/50 (2013.01);
Abstract

A portable device is provided. The portable device comprises a first wireless module, a second wireless module, a first subscriber identity card coupled to the first wireless module, a second subscriber identity card coupled to the second wireless module and a battery. The first subscriber identity card camps on a cell via the first wireless module. The second subscriber identity card camps on the same cell or a different cell via the second wireless module. A first transmission power of one of the first and second wireless modules is maintained, and a second transmission power of another one of the first and second wireless modules is dynamically adjusted according to a variation in a voltage of the battery.


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