| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a security system and a slave station management method in which a key station supervises operation status of the slave station, and a consumption current of the slave station is possible to be suppressed. <P>SOLUTION: A communication control part 1e periodically supplies electric power of a power source part 1d to a radio transceiving part 1b, and makes the radio transceiving part 1b which is supplied the electric power transmit operation information. The key station 2 manages operation status of the slave station 1 by that the operation information is periodically received or not. <P>COPYRIGHT: (C)2007,JPO&INPIT |
