JPS625753U

JPS625753U -

Info

Publication number: JPS625753U
Application number: JP9605285U
Authority: JP
Priority date: 1985-06-25
Filing date: 1985-06-25
Publication date: 1987-01-14

Description

[Brief explanation of the drawing]

第１図は本考案の実施例のシステム全体の構成
図、第２図は同上使用の伝送信号のフオーマツト
図、第３図は同上の主装置の回路構成図、第４図
は同上の共同玄関装置の回路構成図、第５図は同
上の住戸用装置の回路構成図であり、１は信号線
、２，２’は通話回線、３は主装置、４は共同玄
関装置、５は住戸用装置、６は時分割多重伝送器
、８は表示器、９，１５，１９はインターホン、
１６，１８，２３は端末器である。 Figure 1 is a diagram of the overall system configuration of the embodiment of the present invention, Figure 2 is a format diagram of the transmission signal used in the above, Figure 3 is a circuit diagram of the main device of the same, and Figure 4 is the common entrance of the same. Figure 5 is a circuit diagram of the device for residential units, where 1 is a signal line, 2 and 2' are communication lines, 3 is the main device, 4 is a common entrance device, and 5 is for residential units. 6 is a time division multiplex transmitter, 8 is a display, 9, 15, 19 are intercoms,
16, 18, and 23 are terminal devices.

Claims

[Scope of utility model registration request]

It consists of a main device installed in the manager's room, a common entrance device installed at the common entrance, and a unit device installed in each dwelling unit. and a time division multiplex transmission means for receiving and processing reply signals sent back during the reply period, and connected to an intercom installed in the terminal device for the dwelling unit through a telephone line at the time of a call. or at least an intercom that is connected to the intercom of the common entrance device via a telephone line when a call is made from the common entrance device, and the common entrance device is equipped with an intercom in the manager's room or a device for housing units as a reply signal when accessed by a transmission signal. a terminal device that returns a calling signal to the intercom of the main device via a signal line to call the intercom of the main device or transmits the calling signal as transmission data from the time division multiplex transmission means of the main device to the dwelling unit device;
In a call system for an apartment complex, the residential unit terminal device is equipped with an intercom and a terminal device that connects the intercom to a call line and sets the intercom to be available for calls when transmission data of a calling signal is received. , a telephone call system for an apartment complex, characterized in that the main unit is equipped with a terminal device that connects a telephone line between an intercom of the main unit and an intercom of a common entrance device via a telephone line when a call is received from a time division multiplex transmission means. .