JPS59103279U - voltage level detection circuit - Google Patents
voltage level detection circuitInfo
- Publication number
- JPS59103279U JPS59103279U JP20149582U JP20149582U JPS59103279U JP S59103279 U JPS59103279 U JP S59103279U JP 20149582 U JP20149582 U JP 20149582U JP 20149582 U JP20149582 U JP 20149582U JP S59103279 U JPS59103279 U JP S59103279U
- Authority
- JP
- Japan
- Prior art keywords
- voltage level
- detection circuit
- level detection
- voltage
- transistor
- 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
第１図はインバータ装置の一例を示す回路図、第２図は
従来の電圧レベル検出回路の一例を示す回路図、第３図
はこの考案の一実施例を示す回路図である。
ＴＩ、Ｔ２・・・・・・端子、１２・・・・・・分圧回
路、１７・・・・・・トランジスタ、Ｒ２，Ｒ３・・・
・・・抵抗、１８−１．１８−２・・・・・・フォトカ
プラ。FIG. 1 is a circuit diagram showing an example of an inverter device, FIG. 2 is a circuit diagram showing an example of a conventional voltage level detection circuit, and FIG. 3 is a circuit diagram showing an embodiment of this invention. TI, T2... terminal, 12... voltage divider circuit, 17... transistor, R2, R3...
...Resistor, 18-1.18-2...Photocoupler.
Claims (1)
ンジスタを接続し、該トランジスタの出力側に接続され
た抵抗にフォトカプラを接続して、該トランジスタの入
力側に印加される電圧レベルに応じて上記フォトカプラ
を動作させることにより上記端子間の電圧を検出するこ
とを特徴とする電圧レベル検出回路。A transistor is connected between the two terminals where the voltage is to be detected via a voltage divider circuit, and a photocoupler is connected to the resistor connected to the output side of the transistor to determine the voltage level applied to the input side of the transistor. A voltage level detection circuit characterized in that the voltage between the terminals is detected by operating the photocoupler in accordance with the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20149582U JPS59103279U (en) | 1982-12-27 | 1982-12-27 | voltage level detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20149582U JPS59103279U (en) | 1982-12-27 | 1982-12-27 | voltage level detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59103279U true JPS59103279U (en) | 1984-07-11 |
Family
ID=30426989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20149582U Pending JPS59103279U (en) | 1982-12-27 | 1982-12-27 | voltage level detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59103279U (en) |
-
1982
- 1982-12-27 JP JP20149582U patent/JPS59103279U/en active Pending
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