JPH0342582U - - Google Patents
Info
- Publication number
- JPH0342582U JPH0342582U JP10275289U JP10275289U JPH0342582U JP H0342582 U JPH0342582 U JP H0342582U JP 10275289 U JP10275289 U JP 10275289U JP 10275289 U JP10275289 U JP 10275289U JP H0342582 U JPH0342582 U JP H0342582U
- Authority
- JP
- Japan
- Prior art keywords
- phototransistor
- light
- emitting diode
- light emitting
- receiving surface
- 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
- 238000002834 transmittance Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Optical Transform (AREA)
- Electronic Switches (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図は本考案の一実施例の斜視図、第２図は
第１図の外乱光補正付きフオトセンサの動作説明
図である。
１……発光ダイオード、２，３……フオトトラ
ンジスタ、４……透明板、５……透過率制御フイ
ルタ、６……増幅器、７……ケース。
FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is an explanatory diagram of the operation of the photo sensor with disturbance light correction shown in FIG. 1. 1...Light emitting diode, 2, 3...Phototransistor, 4...Transparent plate, 5...Transmittance control filter, 6...Amplifier, 7...Case.
Claims (1)
に平行に、かつ、前記発光ダイオードと隣接した
位置に設けた第１のフオトトランジスタ及び第２
のフオトトランジスタと、前記発光ダイオードの
発光面と第１のフオトトランジスタの受光面との
前面に設けた透過板と、前記第２のフオトトラン
ジスタの受光面の前面に設けた透過率制御フイル
タと、前記第１のフオトトランジスタの出力を増
幅して前記発光ダイオードの発光出力を制御する
増幅器とを含んだことを特徴とする外乱光補正付
きフオトセサ。 a light emitting diode, a first phototransistor and a second phototransistor provided parallel to the optical axis of the light emitting diode and adjacent to the light emitting diode;
a phototransistor, a transmission plate provided in front of the light-emitting surface of the light emitting diode and the light-receiving surface of the first phototransistor, and a transmittance control filter provided in front of the light-receiving surface of the second phototransistor; A photo sensor with disturbance light correction, comprising: an amplifier that amplifies the output of the first phototransistor to control the light emission output of the light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10275289U JPH0342582U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10275289U JPH0342582U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0342582U true JPH0342582U (en) | 1991-04-22 |
Family
ID=31651632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10275289U Pending JPH0342582U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008088A (en) * | 2008-06-24 | 2010-01-14 | Panasonic Electric Works Co Ltd | Spatial information detection device |
-
1989
- 1989-08-31 JP JP10275289U patent/JPH0342582U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008088A (en) * | 2008-06-24 | 2010-01-14 | Panasonic Electric Works Co Ltd | Spatial information detection device |