JPS6114584U - Telephone line loop current interruption prevention device - Google Patents

Telephone line loop current interruption prevention device

Info

Publication number
JPS6114584U
JPS6114584U JP9745484U JP9745484U JPS6114584U JP S6114584 U JPS6114584 U JP S6114584U JP 9745484 U JP9745484 U JP 9745484U JP 9745484 U JP9745484 U JP 9745484U JP S6114584 U JPS6114584 U JP S6114584U
Authority
JP
Japan
Prior art keywords
telephone line
prevention device
loop current
line loop
current interruption
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.)
Granted
Application number
JP9745484U
Other languages
Japanese (ja)
Other versions
JPH0326712Y2 (en
Inventor
茂樹 大和
Original Assignee
株式会社 宮川製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社 宮川製作所 filed Critical 株式会社 宮川製作所
Priority to JP9745484U priority Critical patent/JPS6114584U/en
Publication of JPS6114584U publication Critical patent/JPS6114584U/en
Application granted granted Critical
Publication of JPH0326712Y2 publication Critical patent/JPH0326712Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の一実施例を示す回路図である。 ＣＯは局線、ＣＯＴは局線制御回路、Ｃはリレー、ＤＩ
，Ｄ２はダイオード、Ｒｌ． Ｒ２， Ｒ３は抵抗、Ｔ
ｒはトランジスタ、ＦＥＴはＭＯＳトランジスタ、ＺＤ
はツエナーダイオード、■はバリスタ、ＣＡはコンデン
サである。The drawing is a circuit diagram showing an embodiment of the present invention. CO is the office line, COT is the office line control circuit, C is the relay, DI
, D2 are diodes, Rl. R2 and R3 are resistances, T
r is a transistor, FET is a MOS transistor, ZD
is a Zener diode, ■ is a varistor, and CA is a capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電話回線に橋絡接続され、ダイオードとＭＯＳトランジ
スタ等の高電流感度半導体素子からな号直列回路と、電
話回線の線路電流検出回路と、この検出回路による検出
信号により動作され、前記高電流感度半導体素子を制御
する半導体素子とか一 ら成る電話回線ループ電流瞬断
防止装置。A serial circuit connected to the telephone line as a bridge and consisting of high current sensitive semiconductor elements such as diodes and MOS transistors, a line current detection circuit of the telephone line, and a detection signal from this detection circuit operates to operate the high current sensitive semiconductor. Telephone line loop current instantaneous interruption prevention device consisting of semiconductor elements that control the elements.
JP9745484U 1984-06-28 1984-06-28 Telephone line loop current interruption prevention device Granted JPS6114584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9745484U JPS6114584U (en) 1984-06-28 1984-06-28 Telephone line loop current interruption prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9745484U JPS6114584U (en) 1984-06-28 1984-06-28 Telephone line loop current interruption prevention device

Publications (2)

Publication Number Publication Date
JPS6114584U true JPS6114584U (en) 1986-01-28
JPH0326712Y2 JPH0326712Y2 (en) 1991-06-10

Family

ID=30657009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9745484U Granted JPS6114584U (en) 1984-06-28 1984-06-28 Telephone line loop current interruption prevention device

Country Status (1)

Country Link
JP (1) JPS6114584U (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2844297B1 (en) 2012-05-02 2018-08-15 Capsugel Belgium NV Aqueous dispersions of controlled release polymers and shells and capsules thereof

Also Published As

Publication number Publication date
JPH0326712Y2 (en) 1991-06-10

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