| 摘要 |
<p>PROBLEM TO BE SOLVED: To simplify an operation test to be performed after installation of an interphone device so as to be executed by a minimum number of worker (one person). SOLUTION: In this interphone system for multiple dwelling housing, terminals 2a and 2b are called from central equipment 1 at entrance through a voice controller 3, video signals S3 picked up by the television camera 14 of the central equipment 1 are outputted through a video controller 4 by the television monitors 22a and 22b of the terminals, and communication is performed by the microphone 12 and speaker 13 of the central equipment 1 and the transmitter-receivers 21a and 21b of the terminals. Central equipment calling buttons 32a and 32b provided inside the terminals are pressed, the central equipment is called and operated, the data S4a and S4b of a calling request are transmitted from the terminals to the voice controller, the state of performing pseudo-calling from the central equipment to the terminals in the voice controller is formed in the terminals and operation test is executed.</p> |
