JPH0478531U - - Google Patents
Info
- Publication number
- JPH0478531U JPH0478531U JP12060490U JP12060490U JPH0478531U JP H0478531 U JPH0478531 U JP H0478531U JP 12060490 U JP12060490 U JP 12060490U JP 12060490 U JP12060490 U JP 12060490U JP H0478531 U JPH0478531 U JP H0478531U
- Authority
- JP
- Japan
- Prior art keywords
- light
- photodetector
- drive circuit
- diode
- receiving
- 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
- 238000007493 shaping process Methods 0.000 claims 2
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は本考案を示す図、第２図は第１図の各
部波形を示す波形図、第３図は従来技術を示す図
、第４図は第３図の各部波形を示す波形図である
。
１……駆動回路、２……発光ダイオード、５…
…受光ダイオード、６……増幅器、９……積分器
。
Fig. 1 is a diagram showing the present invention, Fig. 2 is a waveform diagram showing the waveforms of each part of Fig. 1, Fig. 3 is a diagram showing the prior art, and Fig. 4 is a waveform diagram showing the waveforms of each part of Fig. 3. be. 1... Drive circuit, 2... Light emitting diode, 5...
...Photodetector diode, 6...Amplifier, 9...Integrator.
Claims (1)
発光ダイオードの発光信号を受ける受光ダイオー
ドと、該受光ダイオードの受光信号を増幅する増
幅器と、を備えた光検出器において、 前記駆動回路の駆動パルスの立ち上がりエツジ
及び立ち下がりエツジを緩やかとする波形整形回
路を、前記駆動回路の出力と前記発光ダイオード
との間に介挿したことを特徴とする光検出器。 (2) 前記波形整形回路は積分器であることを特
徴とする請求項(1)記載の光検出器。[Claims for Utility Model Registration] (1) A photodetector comprising a light-receiving diode that receives a light-emitting signal from a light-emitting diode that operates based on a drive pulse from a drive circuit, and an amplifier that amplifies the light-receiving signal from the light-receiving diode. A photodetector, characterized in that a waveform shaping circuit that smooths rising edges and falling edges of a drive pulse of the drive circuit is inserted between the output of the drive circuit and the light emitting diode. (2) The photodetector according to claim (1), wherein the waveform shaping circuit is an integrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12060490U JPH0478531U (en) | 1990-11-16 | 1990-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12060490U JPH0478531U (en) | 1990-11-16 | 1990-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0478531U true JPH0478531U (en) | 1992-07-08 |
Family
ID=31868503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12060490U Pending JPH0478531U (en) | 1990-11-16 | 1990-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0478531U (en) |
-
1990
- 1990-11-16 JP JP12060490U patent/JPH0478531U/ja active Pending
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