| 摘要 |
PROBLEM TO BE SOLVED: To utilize navigation data used in common in all displays, even when a plurality of navigation data of the same kind exist. SOLUTION: When a sensor 24 which is a common object is selected by a display unit 12, and a common source setting instruction data using the sensor 24 as an object are generated and transmitted by a server device (S601-S604), a LAN device 13 stops output of navigation data from a sensor 22 (S608), and a LAN device 14 starts output of navigation data of the sensor 24 to the first communication network (S609). The LAN device 14 imparts the navigation data of the sensor 24 to a display unit 31 connected through a serial cable 301 (S613). The LAN device 13 imparts the navigation data of the sensor 24 to a display unit 21 connected through the second communication network 201 (S614). The display units 12, 21, 31 display the navigation data of the sensor 24. COPYRIGHT: (C)2009,JPO&INPIT
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