PROBLEM TO BE SOLVED: To provide a distributed computer system which does not require a communication cable for connecting a terminal computer distributedly installed in a car with an operation controlling device and which is capable of executing a display controlling operation independently according to the installing position of each terminal computer.;SOLUTION: Each terminal computer 4 which is wirelessly connected with the operation controlling device 2 through a wireless LAN access point installed in each car conducts the display control by identifying the installing position of each terminal computer inside the car, obtaining own operation parameter by informing the identified installing position to the operation controlling device 2, and operating the terminal computer. On the other hand the operation controlling device 2 generates the operation parameter which corresponds to each installing position based on the organization data of a train including the arrangement pattern of the terminal computer 4, identifies the car number by identifying the wireless LAN access point which relays the information from the terminal computer 4, and transmits the operation parameter which corresponds to the informed installing position to the terminal computer 4.;COPYRIGHT: (C)2012,JPO&INPIT
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