Portable terminal, portable terminal control method, and portable terminal control program

1. A portable terminal comprising:

a memory that stores at least

a first program, which when executed by the portable terminal, causes the portable terminal to communicate according to a first communication method, and

software converting data to convert said first program into a second program, which when executed by the portable terminal, causes the portable terminal to communicate according to a second communication method that is different from the first communication method; and

circuitry configured to:

perform reading and writing of the first program and data as to said memory;

execute processing that converts said first program into the second program, using the first program and the software converting data read from the memory; and

execute, at a time of terminal startup, one or the other of

starting up said first program, and

starting up the conversion processing from the first program to the second program and the second program that has been converted, wherein

the first communication method is a Code Division Multiple Access (CDMA) communication method and the second method is a Global Systems for Mobile (GSM) communication method.

2. The portable terminal according to claim 1 , wherein the memory stores multiple software converting data for converting said first program into a plurality of different second programs.

3. The portable terminal according to one of claim 1 or claim 2 , wherein

said circuitry is configured to

obtain software updating data for updating an old version of the first program stored in the memory into a new version of the first program and software converting data corresponding to the new version of said first program;

update said old version of the first program into the new version of the first program using the obtained software updating data; and

overwrite said first program after updating and said software converting data onto the memory.

4. A portable terminal control method comprising:

reading, by circuitry, a first program and software converting data from a memory that stores at least

a first program, which when executed by a portable terminal, causes the portable terminal to communicate according to a first communication method, and

software converting data to convert said first program into a second program, which when executed by the portable terminal, causes the portable terminal to communicate according to a second communication method that is different from the first communication method;

executing, by the circuitry, processing to convert said first program to the second program using the first program and the software converting data read from the memory; and

executing, by the circuitry, at a time of terminal startup, one or the other of

starting up said first program, and

starting up the conversion processing from the first program to the second program and the second program that has been converted, wherein

the first communication method is a Code Division Multiple Access (CDMA) communication method and the second method is a Global Systems for Mobile (GSM) communication method.

5. The portable terminal control method according to claim 4 , further comprising:

obtaining software updating data for updating an old version of the first program stored in the memory into a new version of the first program and software converting data corresponding to the new version of said first program, and

updating said old version of the first program into the new version of the first program using the obtained software updating data; and

overwriting by said circuitry, said first program after updating and said software converting data, onto the memory.

6. A non-transitory computer-readable medium including a portable terminal control program, which when executed by a processor of a portable terminal, causes the portable terminal to execute:

performing program and data reading and writing as to a memory wherein at least a first program, which when executed by the portable terminal, causes the portable terminal to communicate according to a first communication method, and software converting data to convert said first program into a second program, which when executed by the portable terminal, causes the portable terminal to communicate according to a second communication method that is different from the first communication method, are stored;

processing to convert from said first program to the second program, using the first program and the software converting data read from the memory; and

execute, at a time of terminal startup, one or the other of

starting up said first program, and

starting up the conversion processing from the first program to the second program and the second program that has been converted, according to startup setting values determined beforehand, wherein

the first communication method is a Code Division Multiple Access (CDMA) communication method and the second method is a Global Systems for Mobile (GSM) communication method.

7. The non-transitory computer-readable medium according to claim 6 , further causing the portable terminal to execute:

obtaining software updating data for updating an old version of the first program stored in the memory into a new version of the first program and the software converting data corresponding to the new version of the first program;

updating the old version of the first program into the new version of the first program using the obtained software updating data; and

overwriting the first program after updating and the software converting data on the memory.

8. The portable terminal according to claim 1 , wherein the software converting data includes difference data indicating a difference between the first program that causes the portable terminal to communicate according to the CDMA communication method and the second program that causes the portable terminal to communicate according to the GSM communication method.

9. A portable terminal comprising:

a memory that stores at least

a first program, which when executed by the portable terminal, causes the portable terminal to communicate according to a first communication method, and

software converting data to convert said first program into a second program, which when executed by the portable terminal, causes the portable terminal to communicate according to a second communication method that is different from the first communication method; and

circuitry configured to:

perform reading and writing of the first program and data as to said memory;

execute processing that converts said first program into the second program, using the first program and the software converting data read from the memory; and

execute, at a time of terminal startup, one or the other of

starting up said first program, and

starting up the conversion processing from the first program to the second program and the second program that has been converted, wherein

the first communication method is a Global Systems for Mobile (GSM) communication method and the second method is a Code Division Multiple Access (CDMA) communication method.

10. The portable terminal according to claim 1 , wherein the software converting data identifies program components in the first program that are different from the second program, and includes data to convert the program components identified in the first program into program components for the second program.

11. The portable terminal according to claim 1 , wherein the software converting data is stored by the memory at the time of the terminal startup.

12. The portable terminal according to claim 1 , wherein the software converting data does not include any update information.

13. The portable terminal according to claim 9 , wherein the software converting data includes difference data indicating a difference between the first program that causes the portable terminal to communicate according to the GSM communication method and the second program that causes the portable terminal to communicate according to the CDMA communication method.

14. A portable terminal control method comprising:

reading, by circuitry, a first program and software converting data from a memory that stores at least

a first program, which when executed by a portable terminal, causes the portable terminal to communicate according to a first communication method, and

software converting data to convert said first program into a second program, which when executed by the portable terminal, causes the portable terminal to communicate according to a second communication method that is different from the first communication method;

executing, by the circuitry, processing to convert said first program to the second program using the first program and the software converting data read from the memory; and

executing, by the circuitry, at a time of terminal startup, one or the other of

starting up said first program, and

starting up the conversion processing from the first program to the second program and the second program that has been converted, wherein

the first communication method is a Global Systems for Mobile (GSM) communication method and the second method is a Code Division Multiple Access (CDMA) communication method.

15. A non-transitory computer-readable medium including a portable terminal control program, which when executed by a processor of a portable terminal, causes the portable terminal to execute:

performing program and data reading and writing as to a memory wherein at least a first program, which when executed by the portable terminal, causes the portable terminal to communicate according to a first communication method, and software converting data to convert said first program into a second program, which when executed by the portable terminal, causes the portable terminal to communicate according to a second communication method that is different from the first communication method, are stored;

processing to convert from said first program to the second program, using the first program and the software converting data read from the memory; and

execute, at a time of terminal startup, one or the other of

starting up said first program, and

starting up the conversion processing from the first program to the second program and the second program that has been converted, according to startup setting values determined beforehand, wherein

the first communication method is a Global Systems for Mobile (GSM) communication method and the second method is a Code Division Multiple Access (CDMA) communication method.