DOORPHONE SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a doorphone system capable of allowing a plurality of houses to easily share information of persons whose visit is undesirable and which is desirably shared so as to enhance the security. SOLUTION: The doorphone system is provided with: a doorphone slave unit 1 for acquiring personal particular information of visitors; a shared database 41 for storing the personal particular information of visitors whose reception is unnecessary and sharing the information by a plurality of houses; and a doorphone master unit 2 for generating a call tone only when the personal particular information of visitors is dissident with the personal particular information registered in the shared database, the shared database is shared among a plurality of the houses to avoid the doorphone from ringing in all of a plurality of the houses even when the visitor makes a second visit by having only to register the visitor by one house to the shared database. COPYRIGHT: (C)2004,JPO&NCIPI