| 摘要 |
PROBLEM TO BE SOLVED: To provide an extensible communication system using the Internet. SOLUTION: First and second radio machine repeaters 104A, 104B are provided by being connected with the Internet network 101. The communication system is constituted so that first and second transceivers 2a, 2b and third and fourth transceivers 2c, 2d which cannot be communicated by direct wave are communicated via the first radio machine repeater 104A, the Internet network 101 and the second radio machine repeater 104B, and in addition, communication among the first to fourth transceivers 2a to 2d and a personal computer 1 and a PDA (personal digital assistant) 7, etc. is available. COPYRIGHT: (C)2004,JPO
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