| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress an increase in power consumption of a portable terminal caused by an authentication operation by reducing the burden of the authentication operation by the portable terminal of an absent person. <P>SOLUTION: Fingerprint data of a visitor acquired by a camera 4 arranged near an entrance door 2 of one's own house 1 to obtain the fingerprint data of the visitor is transmitted to a service server 6 for registering and managing information on a prearranged visitor and fingerprint data of the visitor to perform coincidence judgement, only when fingerprint data coinciding with the fingerprint data of the visitor is registered, visitor information showing that the prearranged visitor visits the house is transmitted to the portable terminal 8 of the owner of the house 1 while being away, and when information that allows the visitor to come into a room of the house 1 is received from the portable terminal 8, the service server 6 and a controller in the house 1 perform control so that the visitor can come into the room of the house 1. <P>COPYRIGHT: (C)2007,JPO&INPIT |
