| 摘要 |
PROBLEM TO BE SOLVED: To provide an intercom system, in which even a managing member who is unfamiliar with broadcasting makes fewer mistakes in broadcasting. SOLUTION: The intercom system has: house information boards, which are installed in respective dwelling units of an apartment building; a management room master unit, which is installed in a management room, and which includes a simultaneous broadcasting means for performing simultaneous broadcasting to the house information boards; and an apartment entrance unit, which is installed in an apartment entrance. In the intercom system, the management room master unit has: a microphone for inputting a voice; a voice memory for recording the inputted voice to the microphone; an audition means for listening to the voice recorded into the voice memory; and the simultaneous broadcasting means for simultaneously broadcasting the voice recorded in the voice memory. COPYRIGHT: (C)2011,JPO&INPIT
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