JPH0356277U - - Google Patents
Info
- Publication number
- JPH0356277U JPH0356277U JP11592989U JP11592989U JPH0356277U JP H0356277 U JPH0356277 U JP H0356277U JP 11592989 U JP11592989 U JP 11592989U JP 11592989 U JP11592989 U JP 11592989U JP H0356277 U JPH0356277 U JP H0356277U
- Authority
- JP
- Japan
- Prior art keywords
- designated line
- relay
- circuit
- switching
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
第１図は本考案に係る指定回線切替回路におけ
る回線と端末機との接続状態を示す図、第２図は
本考案のリレー制御回路の構成を示す図、第３図
は従来の指定回線切替回路における回線と端末機
との接続状態を示す図、第４図は従来のリレー制
御回路の構成を示す図である。
１，２……回線、４……端末機、６……ＣＰＵ
、８……リレー制御回路、９……リセツト回路、
１０……ラツチングリレー、１０ａ，１０ｂ……
リレー接点、１０ｃ……リレーコイル、１２……
切替スイツチ。
Fig. 1 is a diagram showing the connection state between a line and a terminal in the designated line switching circuit according to the present invention, Fig. 2 is a diagram showing the configuration of the relay control circuit of the present invention, and Fig. 3 is a diagram showing the conventional designated line switching circuit. FIG. 4 is a diagram showing a connection state between a line and a terminal in a circuit, and is a diagram showing the configuration of a conventional relay control circuit. 1, 2...Line, 4...Terminal, 6...CPU
, 8... Relay control circuit, 9... Reset circuit,
10...Latching relay, 10a, 10b...
Relay contact, 10c...Relay coil, 12...
Changeover switch.
Claims (1)
の切替え接続を行うボタン電話装置の指定回線切
替回路において、 前記複数回線と端末機とを結ぶ経路に配置した
ラツチングリレーと、該ラツチングリレーを通電
制御するリレー制御回路とを備え、電源の通電時
には前記リレー制御回路によりリレー接点の切替
えを行い、停電時には前記リレー制御回路に設け
られたリセツト回路を作動させて予め指定された
回線との切替接続を行うようにしたことを特徴と
するボタン電話装置の指定回線切替回路。[Scope of Claim for Utility Model Registration] In a designated line switching circuit of a button telephone device that performs a switching connection between a designated line among multiple lines and a terminal device, the designated line switching circuit is arranged in a path connecting the multiple lines and the terminal device. It is equipped with a latching relay and a relay control circuit that controls the energization of the latching relay, and when the power is energized, the relay control circuit switches the relay contacts, and in the event of a power outage, the reset circuit provided in the relay control circuit is activated. 1. A designated line switching circuit for a button telephone device, characterized in that the designated line switching circuit for a key telephone device is configured to perform a switching connection with a pre-designated line by switching the line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11592989U JPH0356277U (en) | 1989-10-02 | 1989-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11592989U JPH0356277U (en) | 1989-10-02 | 1989-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0356277U true JPH0356277U (en) | 1991-05-30 |
Family
ID=31664242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11592989U Pending JPH0356277U (en) | 1989-10-02 | 1989-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356277U (en) |
-
1989
- 1989-10-02 JP JP11592989U patent/JPH0356277U/ja active Pending
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