CORDLESS TELEPHONE SYSTEM CONNECTABLE TO INTERCOM AND INTERCOM SYSTEM

摘要

PROBLEM TO BE SOLVED: To raise a degree of freedom of a place where a master unit 100 is laid.;SOLUTION: The master unit 100 of a cordless telephone is connected to a line L and connectable to a slave unit 200 by radio. The slave unit 200 is chargeable by being laid on a charger 300 and the charger 300 is connected to an intercom 400 via a cable. In addition, illustration of an adaptor for supplying power to the cordless telephone is omitted. In addition, a call tone and visitor's voice from the intercom are input in the charger 300 and output to the slave unit 200 via the charger 300 and also transmitted to the master unit 100 by radiowave from the slave unit 200.;COPYRIGHT: (C)2007,JPO&INPIT