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. 18, 2014

Filed:

Feb. 23, 2009
Applicants:

Makoto Chishima, Yokohama, JP;

Ryuta Fujisawa, Yokohama, JP;

Tomohiro Miki, Yokohama, JP;

Inventors:

Makoto Chishima, Yokohama, JP;

Ryuta Fujisawa, Yokohama, JP;

Tomohiro Miki, Yokohama, JP;

Assignee:

KYOCERA Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A mobile communication terminal has a first wireless communication unit, an interface capable of detachably connecting an external apparatus, a determination unit for determining whether the external apparatus connected to the interface is a second wireless communication unit, a battery voltage detection unit for detecting battery voltage of a power supply unit, a charging detection unit, and a control unit for controlling, if the battery voltage detected by the battery voltage detection unit is lower than a first predetermined value while the charging detection unit detects the charging state, so as to prohibit concurrent use of the first wireless communication unit and the second wireless communication unit.


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