JPS613475U - Energization checker - Google Patents

Energization checker

Info

Publication number
JPS613475U
JPS613475U JP8798184U JP8798184U JPS613475U JP S613475 U JPS613475 U JP S613475U JP 8798184 U JP8798184 U JP 8798184U JP 8798184 U JP8798184 U JP 8798184U JP S613475 U JPS613475 U JP S613475U
Authority
JP
Japan
Prior art keywords
transistor
amplification circuit
signal amplification
input side
final stage
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
JP8798184U
Other languages
Japanese (ja)
Inventor
巌 山崎
Original Assignee
クロイ電機株式会社
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 クロイ電機株式会社 filed Critical クロイ電機株式会社
Priority to JP8798184U priority Critical patent/JPS613475U/en
Publication of JPS613475U publication Critical patent/JPS613475U/en
Pending legal-status Critical Current

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  • Measurement Of Current Or Voltage (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) [Abstract] 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]

図はこの考案の実施例である通電チェッカの回路図であ
る。 Ｃ−コンデンサ、ＳＷ−［源スイッチ。The figure is a circuit diagram of an energization checker that is an embodiment of this invention. C-capacitor, SW-[source switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電線に接近させた電極に静電容量によって誘起した信号
を少なくとも二段以上の増幅用トランジスタで増幅する
信号増幅回路と、この信号増幅回路の最終段トランジス
タのコレクタ電流で駆動される警報回路とを有する通電
チェツカにおいて、電源スイッチ投入時に、前記信号増
幅回路の最終段以前のトランジスタの入力側に充電電流
が流れるようそのトランジスタの入力側と電源間にコン
デンサを接続したことを特徴とする通電チェッカ。A signal amplification circuit that amplifies a signal induced by capacitance in an electrode close to an electric wire using at least two or more stages of amplification transistors, and an alarm circuit that is driven by the collector current of the final stage transistor of this signal amplification circuit. 1. A energization checker comprising: a capacitor connected between the input side of the transistor and the power supply so that charging current flows to the input side of the transistor before the final stage of the signal amplification circuit when the power switch is turned on.
JP8798184U 1984-06-11 1984-06-11 Energization checker Pending JPS613475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8798184U JPS613475U (en) 1984-06-11 1984-06-11 Energization checker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8798184U JPS613475U (en) 1984-06-11 1984-06-11 Energization checker

Publications (1)

Publication Number Publication Date
JPS613475U true JPS613475U (en) 1986-01-10

Family

ID=30640694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8798184U Pending JPS613475U (en) 1984-06-11 1984-06-11 Energization checker

Country Status (1)

Country Link
JP (1) JPS613475U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4418625Y1 (en) * 1966-12-12 1969-08-11
JPS5638911A (en) * 1979-08-31 1981-04-14 Sumitomo Electric Industries Energy transmission device for electric wire or cable wound on drum

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4418625Y1 (en) * 1966-12-12 1969-08-11
JPS5638911A (en) * 1979-08-31 1981-04-14 Sumitomo Electric Industries Energy transmission device for electric wire or cable wound on drum

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