JPS63175867U - - Google Patents
Info
- Publication number
- JPS63175867U JPS63175867U JP5220687U JP5220687U JPS63175867U JP S63175867 U JPS63175867 U JP S63175867U JP 5220687 U JP5220687 U JP 5220687U JP 5220687 U JP5220687 U JP 5220687U JP S63175867 U JPS63175867 U JP S63175867U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- input voltage
- state
- detection circuit
- detection
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来の電圧低減検出回路の一実施例を示す構
成図である。
１…検出電圧設定回路、２…可変抵抗器、３…
電圧検出回路、４…トランジスタ。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a configuration diagram showing an example of a conventional voltage reduction detection circuit. 1...Detection voltage setting circuit, 2...Variable resistor, 3...
Voltage detection circuit, 4...transistor.
Claims (1)
なつたことを検出する電圧低減検出回路において
、上記最小入力電圧に対応した検出電圧を予め設
定する検出電圧設定回路と、該予め設定した検出
電圧のその後の変化に応じてＯＮ／ＯＦＦ状態が
切換わる第１のトランジスタと、該第１のトラン
ジスタのＯＮ／ＯＦＦ状態の切換わりに対応して
ＯＮ／ＯＦＦ状態が切換わる第２のトランジスタ
を具備する電圧検出回路とを備え、上記入力電圧
が上記最小入力電圧よりも低下したことを検出出
来る様に構成したことを特徴とする電圧低減検出
回路。 A voltage reduction detection circuit that detects that the input voltage has become lower than a predetermined minimum input voltage includes a detection voltage setting circuit that presets a detection voltage corresponding to the minimum input voltage; A voltage comprising a first transistor whose ON/OFF state is switched in response to subsequent changes, and a second transistor whose ON/OFF state is switched in response to the switching of the ON/OFF state of the first transistor. 1. A voltage reduction detection circuit, comprising: a detection circuit, and configured to be able to detect that the input voltage has decreased below the minimum input voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5220687U JPS63175867U (en) | 1987-04-07 | 1987-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5220687U JPS63175867U (en) | 1987-04-07 | 1987-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63175867U true JPS63175867U (en) | 1988-11-15 |
Family
ID=30877170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5220687U Pending JPS63175867U (en) | 1987-04-07 | 1987-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63175867U (en) |
-
1987
- 1987-04-07 JP JP5220687U patent/JPS63175867U/ja active Pending