JPS6282755U - - Google Patents
Info
- Publication number
- JPS6282755U JPS6282755U JP1985174705U JP17470585U JPS6282755U JP S6282755 U JPS6282755 U JP S6282755U JP 1985174705 U JP1985174705 U JP 1985174705U JP 17470585 U JP17470585 U JP 17470585U JP S6282755 U JPS6282755 U JP S6282755U
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting diode
- light emitting
- constant voltage
- serving
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は本実施例に係る発光ダイオードの光度
補正装置を示す回路構成図、第２図は従来技術に
よる微小偏位測定器を示す構成図である。
１……微小偏位測定器、２……第１の発光ダイ
オード、６……第１の受光器、１１……第２の発
光ダイオード、１２……第２の受光器、１５……
トランジスタ、１６……Ｉ／Ｖ変換器、１８……
定電圧電源回路、２１……緩衝器、２２……加算
器、２５……積分器。
FIG. 1 is a circuit configuration diagram showing a light-emitting diode luminous intensity correction device according to this embodiment, and FIG. 2 is a configuration diagram showing a conventional micro-deviation measuring device. DESCRIPTION OF SYMBOLS 1...Minute deviation measuring device, 2...1st light emitting diode, 6...1st light receiver, 11...2nd light emitting diode, 12...2nd light receiver, 15...
Transistor, 16...I/V converter, 18...
Constant voltage power supply circuit, 21... buffer, 22... adder, 25... integrator.
Claims (1)
発光ダイオードからの光を受光する第１の受光器
と、前記第１の発光ダイオードと直列に接続され
、補正用光源となる第２の発光ダイオードと、該
第２の発光ダイオードからの光を受光する第２の
受光器と、定電圧を発生する定電圧電源手段と、
該定電圧電源手段からの出力電圧と前記第２の受
光器からの出力電圧とを比較し、前記第１、第２
の発光ダイオードを一定の電流で駆動するように
制御する電流制御手段とから構成してなる発光ダ
イオードの光度補正装置。 a first light emitting diode serving as a light source; a first light receiver receiving light from the first light emitting diode; and a second light emitting diode connected in series with the first light emitting diode and serving as a correction light source. a diode, a second light receiver that receives light from the second light emitting diode, and a constant voltage power source that generates a constant voltage;
The output voltage from the constant voltage power supply means is compared with the output voltage from the second light receiver, and
A light intensity correction device for a light emitting diode, comprising current control means for controlling the light emitting diode to be driven with a constant current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985174705U JPS6282755U (en) | 1985-11-13 | 1985-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985174705U JPS6282755U (en) | 1985-11-13 | 1985-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6282755U true JPS6282755U (en) | 1987-05-27 |
Family
ID=31113342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985174705U Pending JPS6282755U (en) | 1985-11-13 | 1985-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282755U (en) |
-
1985
- 1985-11-13 JP JP1985174705U patent/JPS6282755U/ja active Pending