JPS60122868U - Spatial filter applied all-optical speed sensor - Google Patents
Spatial filter applied all-optical speed sensorInfo
- Publication number
- JPS60122868U JPS60122868U JP1038984U JP1038984U JPS60122868U JP S60122868 U JPS60122868 U JP S60122868U JP 1038984 U JP1038984 U JP 1038984U JP 1038984 U JP1038984 U JP 1038984U JP S60122868 U JPS60122868 U JP S60122868U
- Authority
- JP
- Japan
- Prior art keywords
- spatial filter
- light
- speed sensor
- filter applied
- optical speed
- 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
Landscapes
- Optical Transform (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案実施例の構成図である。
１・・・センサヘッド部、２・・・信号検出用レンズ、
３・・・空間フィルタ、４・・・信号伝送用光ファイバ
、５・・・信号処理部、６・・・照明用光源、７・・・
照明光用光ファイバ束、７ａ・・・出射端。The drawing is a configuration diagram of an embodiment of the present invention. 1...Sensor head section, 2...Signal detection lens,
3... Spatial filter, 4... Optical fiber for signal transmission, 5... Signal processing unit, 6... Light source for illumination, 7...
Optical fiber bundle for illumination light, 7a... output end.
Claims (1)
ド部に設けられた空間フィルタに導き、その空間フィル
タを通過した光を光−電変換部において電気信号に変換
してその信号の中心周波数を求め、その周波数に基づい
て測定対象物の速度を検出する装置において、上記空間
フィルタの通過光を光ファイバによって上記光−電変換
部に導くとともに、上記センサヘッド部に、任意の箇所
に設置し得る光源からの光を入射する光ファイバ束の出
射端を配設し、その出射光によって測定対象物を照射す
るよう構成したことを特徴とする空間フィルタ応用全光
式速度センサ。Light from an object to be measured moving in a predetermined direction is guided to a spatial filter provided in the sensor head, and the light that passes through the spatial filter is converted into an electrical signal in the photo-electrical converter, and the center frequency of the signal is In a device that detects the speed of an object to be measured based on the frequency, the light passing through the spatial filter is guided to the photo-electrical converter through an optical fiber, and the sensor head is installed at an arbitrary location. 1. An all-optical speed sensor using a spatial filter, characterized in that an output end of an optical fiber bundle is arranged to receive light from a light source that can be inputted, and an object to be measured is irradiated with the output light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1038984U JPS60122868U (en) | 1984-01-27 | 1984-01-27 | Spatial filter applied all-optical speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1038984U JPS60122868U (en) | 1984-01-27 | 1984-01-27 | Spatial filter applied all-optical speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60122868U true JPS60122868U (en) | 1985-08-19 |
Family
ID=30491526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1038984U Pending JPS60122868U (en) | 1984-01-27 | 1984-01-27 | Spatial filter applied all-optical speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60122868U (en) |
-
1984
- 1984-01-27 JP JP1038984U patent/JPS60122868U/en active Pending
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