| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cordless telephone system which includes a lock function capable of preventing erroneous operation without losing maneuverability in the cordless telephone system comprising a slave unit and a master unit. <P>SOLUTION: A cordless telephone system comprises a master unit, a placing device, a first slave unit, a second slave unit, lock state setting means and lock state cancellation means. The master unit can carry a slave unit thereon. The placing device can be placed a slave unit on it. The first slave unit and the second slave unit wirelessly communicate with the master unit. The lock state setting means sets the master unit to a lock state in which the master unit does not accept operation. The lock cancellation unit cancels the lock state if the first slave has been removed from the master unit, but does not cancel the lock state if the second slave unit has been removed from the master unit or the placing device. <P>COPYRIGHT: (C)2012,JPO&INPIT |
