Mobile communication terminal and method for managing use-history information
First Claim
1. A mobile communication terminal having a subscriber identity module (SIM) card, the mobile communication terminal comprising:
- a memory unit for storing use-history information of the SIM card inserted into the mobile communication terminal according to a subscriber identity number of the inserted SIM card; and
a controller for determining the subscriber identity number of the inserted SIM card, examining whether a predetermined storage area corresponding to the subscriber identity number exists in the memory unit, and generating the predetermined storage area in the memory unit when the predetermined storage area does not exist in the memory unit.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a mobile communication terminal having a subscriber identity module (SIM) card. The mobile communication terminal includes a memory unit for storing use-history information of the SIM card inserted into the mobile communication terminal according to a subscriber identity number of the inserted SIM card, and a controller for determining the subscriber identity number of the inserted SIM card, determining whether a predetermined storage area corresponding to the subscriber identity number exists in the memory unit, and generating the predetermined storage area in the memory unit when the predetermined storage area does not exist in the memory unit. Further, it is possible to search the use-history information stored in a storage area corresponding to the subscriber identity number of each SIM card carried by a user. Therefore, the security for the use-history information of the SIM card can be ensured.
18 Citations
27 Claims
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1. A mobile communication terminal having a subscriber identity module (SIM) card, the mobile communication terminal comprising:
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a memory unit for storing use-history information of the SIM card inserted into the mobile communication terminal according to a subscriber identity number of the inserted SIM card; and a controller for determining the subscriber identity number of the inserted SIM card, examining whether a predetermined storage area corresponding to the subscriber identity number exists in the memory unit, and generating the predetermined storage area in the memory unit when the predetermined storage area does not exist in the memory unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for managing use-history information of a mobile communication terminal, when one SIM card of multiple SIM cards is inserted into the mobile communication terminal, and then the mobile communication terminal is powered on, the method comprising:
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a) determining a subscriber identity number of the inserted SIM card; b) determining whether a predetermined storage area corresponding to the subscriber identity number of the inserted SIM card exists in an entire storage area of the mobile communication terminal; c) generating the predetermined storage area when the predetermined storage area corresponding to the subscriber identity number does not exist in the entire storage area of the mobile communication terminal; and d) storing use-history information of the inserted SIM card in the predetermined storage area. - View Dependent Claims (10, 11)
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12. A method for managing use-history information of a mobile communication terminal, when one SIM card of multiple SIM cards is inserted into the mobile communication terminal and then the mobile communication terminal is powered on the method comprising:
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a) determining a subscriber identity number of the inserted SIM card; b) registering the inserted SIM card as a master when a master registration request is received from a user of the mobile communication terminal; and c) generating a predetermined storage area corresponding to a subscriber identity number of the SIM card registered as the master and storing use-history information of the registered master SIM card in the generated predetermined storage area. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A method for managing use-history information of a mobile communication terminal, when one SIM card of multiple SIM cards is inserted into the mobile communication terminal and then the mobile communication terminal is powered on, the method comprising:
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a) determining a subscriber identity number of the inserted SIM card; b) determining whether a predetermined storage area corresponding to the subscriber identity number of the inserted SIM card exists in an entire storage area of the mobile communication terminal; c) determining whether there exists a slave registration request for registering the inserted SIM card as a slave when the predetermined storage area corresponding to the subscriber identity number does not exist in the entire storage area of the mobile communication terminal; d) registering the inserted SIM card as the slave when there exists the slave registration request; and e) generating the predetermined storage area corresponding to the subscriber identity number of the SIM card registered as the slave and storing use-history information of the registered slave SIM card in the generated predetermined storage area. - View Dependent Claims (19, 20)
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21. A method for managing use-history information of a mobile communication terminal, when one SIM card of multiple SIM cards is inserted into the mobile communication terminal and then the mobile communication terminal is powered on, the method comprising:
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a) determining a subscriber identity number of the inserted SIM card; b) determining whether an operation mode of the mobile communication terminal is a single mode in which only an SIM card registered as a master uses a predetermined storage area of the mobile communication terminal or a multi-mode in which a plurality of SIM cards use the predetermined storage area; c) determining whether a predetermined storage area corresponding to the subscriber identity number of the inserted SIM card exists in an entire storage area of the mobile communication terminal, when the mobile communication terminal operates in the multi-mode; d) determining whether the inserted SIM card is the SIM card registered as the master when the predetermined storage area corresponding to the subscriber identity number exists in the entire storage area of the mobile communication terminal; and e) loading use-history information of the master SIM card stored in the predetermined storage area when the inserted SIM card is the master SIM card. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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Specification