JPS613475U - Energization checker - Google Patents
Energization checkerInfo
- 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
Links
Landscapes
- 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)
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.
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)
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 |
-
1984
- 1984-06-11 JP JP8798184U patent/JPS613475U/en active Pending
Patent Citations (2)
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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