JPS6450373U - - Google Patents
Info
- Publication number
- JPS6450373U JPS6450373U JP14549487U JP14549487U JPS6450373U JP S6450373 U JPS6450373 U JP S6450373U JP 14549487 U JP14549487 U JP 14549487U JP 14549487 U JP14549487 U JP 14549487U JP S6450373 U JPS6450373 U JP S6450373U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- emitting diode
- light emitting
- series
- circuit
- 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 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図である
。
１……発光ダイオードＤ、２……直列抵抗器Ｒ
、３……可変抵抗器ＶＲ、４……受光素子ＴＲ、
Ｉ……負荷電流、Ｉａ……検知電流。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. 1... Light emitting diode D, 2... Series resistor R
, 3... variable resistor VR, 4... light receiving element TR,
I...Load current, Ia...Detection current.
Claims (1)
、その抵抗器に並列に接続した可変抵抗器と発光
ダイオードとの直列回路と、前記発光ダイオード
の受光素子とを有することを特徴とする直流過大
電流検知回路。 A DC overload system comprising: a resistor inserted in series with a load of a DC power supply circuit; a series circuit of a variable resistor and a light emitting diode connected in parallel to the resistor; and a light receiving element of the light emitting diode. Current detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14549487U JPS6450373U (en) | 1987-09-22 | 1987-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14549487U JPS6450373U (en) | 1987-09-22 | 1987-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6450373U true JPS6450373U (en) | 1989-03-28 |
Family
ID=31414135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14549487U Pending JPS6450373U (en) | 1987-09-22 | 1987-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6450373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009085895A (en) * | 2007-10-03 | 2009-04-23 | Tokyo Cathode Laboratory Co Ltd | Overcurrent protection circuit and probe device |
-
1987
- 1987-09-22 JP JP14549487U patent/JPS6450373U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009085895A (en) * | 2007-10-03 | 2009-04-23 | Tokyo Cathode Laboratory Co Ltd | Overcurrent protection circuit and probe device |
| JP4589954B2 (en) * | 2007-10-03 | 2010-12-01 | 株式会社東京カソード研究所 | Overcurrent protection circuit and probe device |