Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-05-03
2011-05-03
Appiah, Charles N (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S412100, C455S414200, C455S455000
Reexamination Certificate
active
07937082
ABSTRACT:
The present invention provides a mobile communication terminal, an IC card, a mobile communication system, a program, and a communication charge notification method capable of easily indicating roaming communication charges and preventing a user from being unexpectedly charged for communication. A mobile phone10detects that it is located in a country B as a roaming area based on information transmitted from a base station32, inquires of a charge information related server24whether or not a communication charge information stored in a storage section16is the latest communication charge information, when the communication charge information is not the latest communication charge information, updates the stored communication charge information based on the communication charge information transmitted from the charge information related server24, reads the communication charge information of the country B from the storage section16, and displays the communication charge information on a display section14.
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Ishikawa Hidetoshi
Ohno Takeshi
Umeno Hiroshi
Appiah Charles N
Bacon & Thomas PLLC
Dai Nippon Printing Co. Ltd.
Karikari Kwasi
NTT Docomo Inc.
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