| 摘要 |
PROBLEM TO BE SOLVED: To provide a visitor response system wherein an image of a visitor can immediately be confirmed by a mobile phone even at the arrival of the visitor. SOLUTION: A home gateway 12 informs the mobile phone 22 of a user about an image of the visitor photographed by an intercom slave unit 18 by means of a Bluetooth communication system by using a Bluetooth address of the mobile phone 22 registered in advance. COPYRIGHT: (C)2008,JPO&INPIT
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