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. 13, 2015

Filed:

Mar. 13, 2012
Applicants:

Seiichiro Horikawa, Kanagawa, JP;

Koji Akita, Kanagawa, JP;

Hideo Kasami, Kanagawa, JP;

Inventors:

Seiichiro Horikawa, Kanagawa, JP;

Koji Akita, Kanagawa, JP;

Hideo Kasami, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2015.01); G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
G06F 1/3212 (2013.01); G06F 1/3296 (2013.01); Y02B 60/1285 (2013.01); Y02B 60/1292 (2013.01);
Abstract

In an embodiment, an electronic apparatus is mounted with a card unit including first and second devices driven with different driving voltages. The electronic apparatus includes: first and second voltage generating units, first and second control units. The first voltage generating unit generates a first driving voltage for driving the first device and a second driving voltage for driving the second device using electric power from the battery. The second voltage generating unit generates the first driving voltage and second driving voltage using electric power transmitted from the external device. The first control unit controls the first selection unit such that any one of the first driving voltage generated by the first voltage generating unit and the first driving voltage generated by the second voltage generating unit is selected depending on the electric power supply capability of the battery.


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