| 摘要 |
PROBLEM TO BE SOLVED: To realize a getting of various kinds of interactive information in a predetermined closed space without involvement of public communication network. SOLUTION: In this system, a delivery server S organizes and stores information received from an information providing equipment 9. The server S is connected to radio base stations B1, B2,... via local area network (LAN) 1. Portable terminals T1, T2,... communicate to the stations B1, B2,... via radio LAN to get interactively the information stored in the server S. Therefore, communication charge is free because of no use of the public communication network.
|
