Title:
通信装置、通信装置保護方法およびプログラム
Document Type and Number:
Japanese Patent JP4407691
Kind Code:
B2
Abstract:
A communication apparatus capable of wireless communications with one or more base stations is disclosed. The communication apparatus includes a receiving unit configured to receive a signal transmitted from the base station, a judging unit configured to judge whether the communication apparatus is located in an area satisfying a predetermined criterion, in accordance with the signal received at the receiving unit, and an authentication unit configured to perform an authentication process for a user of the communication apparatus if the judging unit judges that the communication apparatus is not located in the area satisfying the criterion.
Inventors:
Jun Rekimoto
Application Number:
JP2006313428A
Publication Date:
February 03, 2010
Filing Date:
November 20, 2006
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04M1/673; H04W4/029; H04W12/00; H04W12/06; H04W12/08; H04W4/02
Domestic Patent References:
| JP2003517753A | ||||
| JP2005354251A | ||||
| JP2003078952A | ||||
| JP2007043378A | ||||
| JP2006303747A | ||||
| JP2001245354A | ||||
| JP2006148493A | ||||
| JP2005159748A | ||||
| JP2003199155A | ||||
| JP2003188791A |
Attorney, Agent or Firm:
Miaki Kametani
Tetsuo Kanamoto
Koji Hagiwara
Tetsuo Kanamoto
Koji Hagiwara