JPS59104076U - Power outage indicator drive device - Google Patents

Power outage indicator drive device

Info

Publication number
JPS59104076U
JPS59104076U JP20220582U JP20220582U JPS59104076U JP S59104076 U JPS59104076 U JP S59104076U JP 20220582 U JP20220582 U JP 20220582U JP 20220582 U JP20220582 U JP 20220582U JP S59104076 U JPS59104076 U JP S59104076U
Authority
JP
Japan
Prior art keywords
transistor
relay contact
power failure
drive device
failure indicator
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
JP20220582U
Other languages
Japanese (ja)
Other versions
JPH0512775Y2 (en
Inventor
他田　博
沢田　温
篠田　義男
仲田　淳嗣
江原　正光
Original Assignee
株式会社田村電機製作所
日本電信電話株式会社
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 株式会社田村電機製作所, 日本電信電話株式会社 filed Critical 株式会社田村電機製作所
Priority to JP20220582U priority Critical patent/JPS59104076U/en
Publication of JPS59104076U publication Critical patent/JPS59104076U/en
Application granted granted Critical
Publication of JPH0512775Y2 publication Critical patent/JPH0512775Y2/ja
Granted legal-status Critical Current

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  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Prepayment Telephone Systems (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 the drawing]

゛第１図および第２図は従来の停電表示器の駆動装置の
例を示す回路図、第３図は本考案による停電表示器の駆
動装置の一実施例を示す回路図である。 ＮＶ・・・・・・停電監視リレー、ｎｖ・・・・・・リ
レー接点、ａ・・・・・・自己保持リレー接点、Ｔｒ２
・・・・・・トランジスタ、ＩＤ・・・・・・マグネッ
トインジケータ、Ｒ４・・・・・・抵抗。1 and 2 are circuit diagrams showing an example of a conventional drive device for a power outage indicator, and FIG. 3 is a circuit diagram showing an embodiment of the drive device for a power outage indicator according to the present invention. NV...Power failure monitoring relay, nv...Relay contact, a...Self-holding relay contact, Tr2
...Transistor, ID...Magnetic indicator, R4...Resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 通電中動作を継続するリレー接点と、このリレー接点の
閉成に基いて送受器上げの一定時間作動するトランジス
タと、このトランジスタのコレクタ・エミッタ間に挿入
され通話中停電になったときでも通電状態の動作を継続
する自己保持リレー接点と、この自己保持リレー接点と
並列に接続された抵抗とを備え、前記トランジスタの電
源側に接続された停電表示器を前記自己保持リレー接点
および前記トランジスタを介して大電流で駆動し、停電
表示器が動作した後は前記抵抗を介して保持電流を流し
得るようにしたことを特徴とする停電表示器ｅ駆動装置
。A relay contact that continues to operate while energized, a transistor that operates for a certain period of time when the handset is raised based on the closing of this relay contact, and a transistor that is inserted between the collector and emitter of this transistor so that it remains energized even if there is a power outage during a call. and a resistor connected in parallel with the self-holding relay contact, the power failure indicator connected to the power supply side of the transistor is connected through the self-holding relay contact and the transistor. A power failure indicator e drive device, characterized in that the power failure indicator is driven with a large current, and after the power failure indicator operates, a holding current can flow through the resistor.
JP20220582U 1982-12-28 1982-12-28 Power outage indicator drive device Granted JPS59104076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20220582U JPS59104076U (en) 1982-12-28 1982-12-28 Power outage indicator drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20220582U JPS59104076U (en) 1982-12-28 1982-12-28 Power outage indicator drive device

Publications (2)

Publication Number Publication Date
JPS59104076U true JPS59104076U (en) 1984-07-13
JPH0512775Y2 JPH0512775Y2 (en) 1993-04-02

Family

ID=30427683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20220582U Granted JPS59104076U (en) 1982-12-28 1982-12-28 Power outage indicator drive device

Country Status (1)

Country Link
JP (1) JPS59104076U (en)

Also Published As

Publication number Publication date
JPH0512775Y2 (en) 1993-04-02

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