专利汇可以提供Interphone equipment with monitor television专利检索,专利查询,专利分析的服务。并且PURPOSE: To maximally minimize power consumption even if a handset is erroneously hooked on by regulating beforehand a time during which a video is displayed in a monitor television in a communicating state by means of the first timer circuit.
CONSTITUTION: The first timer circuit 4 which is actuated at a time of calling and at another of communicating, and the second one 5 which is actuated at the time of calling and reset at the time of communicating, are provided. When a specific time duration set beforehand by the first timer circuit 4, for instance three minutes, is lapsed, the video on the monitor television is made disappear. The second timer 5 is so made by the manual depressing of a switch 10 as to let the display of a video from the camera be executed even if the system does not come to a communicating state. Accordingly, if the system is turned in the communicating state by taking up the handset, the video from the camera can be displayed on the monitor television for the specific time set beforehand, but this display is terminated when the fixed time is lapsed.
COPYRIGHT: (C)1987,JPO&Japio,下面是Interphone equipment with monitor television专利的具体信息内容。
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