JPS5840969U - line control unit - Google Patents
line control unitInfo
- Publication number
- JPS5840969U JPS5840969U JP13356081U JP13356081U JPS5840969U JP S5840969 U JPS5840969 U JP S5840969U JP 13356081 U JP13356081 U JP 13356081U JP 13356081 U JP13356081 U JP 13356081U JP S5840969 U JPS5840969 U JP S5840969U
- Authority
- JP
- Japan
- Prior art keywords
- control unit
- line
- circuit
- relay
- line control
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の説明図、第２図は本考案の原理説明図
、第３図ａ、 ｂは本考案の実施例の構成説明図、第
４図ａ−ｄは従来例との関係を示す本考案の動作のタイ
ムチャートであり、１は回線閉結用リレー接点、２は情
報挿入用リレー接点、３はダイヤル接点、４はトラシス
、５はデータ処理装置、１２は排他的ＯＲ回路、１３は
ＮＯＲ回路、１４はＮＯＴ回路、１５はトランジスタ、
１６はＲＬ、リレーを示す。Fig. 1 is an explanatory diagram of a conventional example, Fig. 2 is an explanatory diagram of the principle of the present invention, Figs. 3 a and b are explanatory diagrams of the configuration of an embodiment of the present invention, and Figs. 4 a to d are relationship with the conventional example. 1 is a time chart of the operation of the present invention, in which 1 is a relay contact for line closing, 2 is a relay contact for information insertion, 3 is a dial contact, 4 is a transmission, 5 is a data processing device, and 12 is an exclusive OR circuit. , 13 is a NOR circuit, 14 is a NOT circuit, 15 is a transistor,
16 indicates RL, a relay.
Claims (1)
回路とダイヤルパルス回路とを切替える情報挿入用リレ
ーと、ダイヤルパルス回路のダイヤル用リレーとを駆動
するための３つの信号を入力する回線制御ユニットにお
いて、前記３つのリレーの駆動信号の手順と等１価的に
動作する論理回路と、この論理回路の出力で動作する１
個の兼用リレーとを具えたことを特徴とする回線制御ユ
ニット。A line that inputs three signals to drive the line closing relay that goes in series with the telephone line, the information insertion relay that switches between the information transmission/reception circuit and the dial pulse circuit, and the dial relay of the dial pulse circuit. In the control unit, there is a logic circuit that operates equivalently to the procedure of the drive signals of the three relays, and a logic circuit that operates based on the output of this logic circuit.
A line control unit characterized in that it is equipped with two dual-purpose relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13356081U JPS5840969U (en) | 1981-09-08 | 1981-09-08 | line control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13356081U JPS5840969U (en) | 1981-09-08 | 1981-09-08 | line control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5840969U true JPS5840969U (en) | 1983-03-17 |
Family
ID=29927015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13356081U Pending JPS5840969U (en) | 1981-09-08 | 1981-09-08 | line control unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5840969U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147863A (en) * | 1979-05-08 | 1980-11-18 | Oki Electric Ind Co Ltd | Correcting system of dial pulse distortion |
-
1981
- 1981-09-08 JP JP13356081U patent/JPS5840969U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147863A (en) * | 1979-05-08 | 1980-11-18 | Oki Electric Ind Co Ltd | Correcting system of dial pulse distortion |
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