| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a telephone apparatus in which an illumination part of a slave unit turns on and off with simple constitution. <P>SOLUTION: There is provided the telephone apparatus comprising a master unit and the slave unit. When changing in state from application with a DC voltage supplied from an AC adapter to non-application, the slave unit determines whether a predetermined time zone is reached, transmits a radio signal to the master unit when the predetermined time zone is reached, and turns on the illumination part when not receiving a reply signal from the master unit. <P>COPYRIGHT: (C)2013,JPO&INPIT |
