| 摘要 |
PROBLEM TO BE SOLVED: To allow the portable terminal to utilize lots of kinds of games by down-loading game software by communication without carrying the software at all times. SOLUTION: A database station 25 is provided with a database corresponding to mobile communication terminals and a mobile communication network. The mobile communication terminal 1 provided with an operation key 3, a read/write memory and a display section 7 is connected to a telephone exchange station 21 via a radio base station 20 and makes communication with a subscriber telephone set 23 by means of radio communication and makes data communication with the database station 25. The database station 25 stores pluralities of game software sets and the mobile communication terminal 1 is provided with a read only memory in which a program to control the operation key 3 corresponding to each game is stored, in advance. The mobile communication terminal 1 accesses the database station 25 by way of the base station 20 by means of a radio wave and down-loads a specific game software and stores it in the read/write memory. The user of the mobile communication terminal 1 plays the game by operating the operation key 3 and observing the game display on the display section 7. |
