JPS61149933U - - Google Patents
Info
- Publication number
- JPS61149933U JPS61149933U JP3448685U JP3448685U JPS61149933U JP S61149933 U JPS61149933 U JP S61149933U JP 3448685 U JP3448685 U JP 3448685U JP 3448685 U JP3448685 U JP 3448685U JP S61149933 U JPS61149933 U JP S61149933U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- zener diode
- conduction
- light emitting
- 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 3
- 230000004397 blinking Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
図面は本考案の一実施例を示す回路図である。
１ａ，１ｂ，１ｃ…電圧表示部、２ａ…電圧検
出回路、ＺＤ１，ＺＤ２，ＺＤ３…ツエナーダイ
オード、Ｄ１，Ｄ２，Ｄ３…発光ダイオード、Ｑ
１，Ｑ２，Ｑ３…トランジスタ。
The drawing is a circuit diagram showing an embodiment of the present invention. 1a, 1b, 1c...voltage display section, 2a...voltage detection circuit, ZD1 , ZD2 , ZD3 ...Zener diode, D1 , D2 , D3 ...light emitting diode, Q
1 , Q2 , Q3 ...transistor.
Claims (1)
示部を備え、各電圧表示部は、それぞれツエナー
電圧の異なるツエナーダイオードと抵抗を含み電
源出力端間に接続される電圧検出回路と、前記ツ
エナーダイオードの導通・非導通に応答して切り
替わるスイツチ素子と、該スイツチ素子により駆
動される発光素子とからなり、電源出力電圧を各
電圧表示部の発光素子の点滅状態の組み合わせに
より検知できるようにしたことを特徴とする出力
電圧を表示する直流電源装置。 The power output section includes a plurality of voltage display sections built in parallel, each voltage display section including a Zener diode and a resistor having different Zener voltages, a voltage detection circuit connected between the power supply output terminals, and a voltage detection circuit connected between the Zener diode and the Zener diode. It consists of a switch element that switches in response to conduction or non-conduction, and a light emitting element driven by the switch element, and the power supply output voltage can be detected by a combination of the blinking states of the light emitting elements of each voltage display section. A DC power supply that displays the characteristic output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3448685U JPS61149933U (en) | 1985-03-11 | 1985-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3448685U JPS61149933U (en) | 1985-03-11 | 1985-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61149933U true JPS61149933U (en) | 1986-09-16 |
Family
ID=30537899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3448685U Pending JPS61149933U (en) | 1985-03-11 | 1985-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61149933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008029072A (en) * | 2006-07-19 | 2008-02-07 | Sanken Electric Co Ltd | Low-voltage-failure detection circuit of power supply unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54134950A (en) * | 1978-04-12 | 1979-10-19 | Matsushita Electric Works Ltd | Detection circuit for voltage range |
| JPS592031A (en) * | 1982-06-28 | 1984-01-07 | Fuji Xerox Co Ltd | Illumination device of copying machine |
-
1985
- 1985-03-11 JP JP3448685U patent/JPS61149933U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54134950A (en) * | 1978-04-12 | 1979-10-19 | Matsushita Electric Works Ltd | Detection circuit for voltage range |
| JPS592031A (en) * | 1982-06-28 | 1984-01-07 | Fuji Xerox Co Ltd | Illumination device of copying machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008029072A (en) * | 2006-07-19 | 2008-02-07 | Sanken Electric Co Ltd | Low-voltage-failure detection circuit of power supply unit |