JPS5888474U - Call current detection circuit - Google Patents

Call current detection circuit

Info

Publication number
JPS5888474U
JPS5888474U JP18360481U JP18360481U JPS5888474U JP S5888474 U JPS5888474 U JP S5888474U JP 18360481 U JP18360481 U JP 18360481U JP 18360481 U JP18360481 U JP 18360481U JP S5888474 U JPS5888474 U JP S5888474U
Authority
JP
Japan
Prior art keywords
current detection
detection circuit
call current
call
diode
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
Application number
JP18360481U
Other languages
Japanese (ja)
Inventor
楠　文顕
久村　真
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP18360481U priority Critical patent/JPS5888474U/en
Publication of JPS5888474U publication Critical patent/JPS5888474U/en
Pending legal-status Critical Current

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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図は本考案の一実施例の回路図、第２図は第１図の
変形を示す回路図である。 １・・・リレー、２・・・ツェナダイオード、３・・・
ダイオード。FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a modification of FIG. 1. 1... Relay, 2... Zener diode, 3...
diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 、通話線に挿入された通話電流検出リレーの巻線に並列
にダイオード又はツェナダイオードを接続した通話電流
検出回路。, a call current detection circuit in which a diode or Zener diode is connected in parallel to the winding of a call current detection relay inserted into the call line.
JP18360481U 1981-12-11 1981-12-11 Call current detection circuit Pending JPS5888474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18360481U JPS5888474U (en) 1981-12-11 1981-12-11 Call current detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18360481U JPS5888474U (en) 1981-12-11 1981-12-11 Call current detection circuit

Publications (1)

Publication Number Publication Date
JPS5888474U true JPS5888474U (en) 1983-06-15

Family

ID=29983015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18360481U Pending JPS5888474U (en) 1981-12-11 1981-12-11 Call current detection circuit

Country Status (1)

Country Link
JP (1) JPS5888474U (en)

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