| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an intercom device which allows a user to cut down costs and know its charge state at home, and an intercom system using it. <P>SOLUTION: An intercom master unit 2 comprises a speaker 28 and a microphone 29 as talking means for talking to a door intercom slave 4, a wireless communication unit 24 for receiving a charge state signal indicating a charge state from a charge control unit 1 which controls charging of electricity to a charge unit 33 of an electric vehicle 3, a control unit 21 for outputting an operation signal for making notification corresponding to the charge state signal, and a display unit 25 for making notification according to the operation signal output from the control unit 21. Since the intercom master unit 2 uses the display unit 25 and the speaker 28 to make notification corresponding to the charge state signal transmitted from the charge control unit 1, it enables a user to know a charge state without going to the place of charging. <P>COPYRIGHT: (C)2013,JPO&INPIT |
