JPH0341301U

JPH0341301U -

Info

Publication number: JPH0341301U
Application number: JP10015789U
Authority: JP
Priority date: 1989-08-28
Filing date: 1989-08-28
Publication date: 1991-04-19

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の構成接続図、第２
図は従来の信号切換え装置の構成ブロツク図であ
る。１，２……第１の入力端子、５，６……第２の
入力端子、３，４……アンサ端子、７，７……出
力端子、Ｄ１，Ｄ２……ダイオード、ＳＷ……ス
イツチ、ＲＬ……リードリレー、Ｌ１〜Ｌ４……
ライン。 Figure 1 is a configuration and connection diagram of one embodiment of the present invention, Figure 2
The figure is a block diagram of a conventional signal switching device. 1, 2...First input terminal, 5,6...Second input terminal, 3,4...Answer terminal, 7,7...Output terminal, D1, D2...Diode, SW...Switch, RL……Reed relay, L1~L4……
line.

Claims

[Claims for Utility Model Registration] First input terminals 1, 2, second input terminals 5, 6, answer terminals 3, 4, output terminals 7, 8 from which selected signals are output, A switch SW having two contacts a and b and driven by an external control signal; and a diode D1 connected between one of the first input terminals 1 and one of the output terminals 7. , a diode D2 connected between one of the second input terminals 5 and one of the output terminals 7, a resistor R1 connected between the answer terminals 3 and 4, and the first input terminal and the answer terminal. , a line L1 that connects the other of the second input terminals 2, 4, and 6 in common and connects this to the common point c of the switch SW, and a line L1 that connects one of the first input terminals 1 and one of the switch SW. A line L2 that connects contact b, a line L3 that connects one of the answer terminals 3 and the other output terminal 8, and a line L4 that connects one of the second input terminals 5 and the other contact a of the switch. , and which selects either one of the signals applied to the first input terminal and the second input terminal according to an external control signal and outputs the selected signal to the output terminal.