JPS58187709U - Rotation angle sensor using optical elements - Google Patents
Rotation angle sensor using optical elementsInfo
- Publication number
- JPS58187709U JPS58187709U JP8476782U JP8476782U JPS58187709U JP S58187709 U JPS58187709 U JP S58187709U JP 8476782 U JP8476782 U JP 8476782U JP 8476782 U JP8476782 U JP 8476782U JP S58187709 U JPS58187709 U JP S58187709U
- Authority
- JP
- Japan
- Prior art keywords
- rotation angle
- angle sensor
- optical elements
- permanent magnet
- optical fiber
- 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
- Length Measuring Devices By Optical Means (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は光ファイバを用いた従来の回転角センサの構造
を説明するための図、第２図は本考案による光素子を用
いた回転角センサの構成を示す図、第３図は本考案によ
る光素子を用いた回転角センサにおける磁石の回転角と
光検出器で検出される光出力との関係を示した図である
。
図面において、１０は永久磁石、１１は軸、１２はファ
ラデイ回転子、１３は偏光子、１４は検光子、１５．１
６は集光レンズ、１７．１８は −光ファイバ、１
９は光源、２０は光検出器をそれぞれ示す。
゛Figure 1 is a diagram for explaining the structure of a conventional rotation angle sensor using an optical fiber, Figure 2 is a diagram showing the configuration of a rotation angle sensor using an optical element according to the present invention, and Figure 3 is a diagram for explaining the structure of a rotation angle sensor according to the present invention. FIG. 2 is a diagram showing the relationship between the rotation angle of a magnet and the light output detected by a photodetector in a rotation angle sensor using an optical element according to the present invention. In the drawing, 10 is a permanent magnet, 11 is a shaft, 12 is a Faraday rotator, 13 is a polarizer, 14 is an analyzer, 15.1
6 is a condenser lens, 17.18 is - an optical fiber, 1
9 represents a light source, and 20 represents a photodetector.
゛
Claims (1)
と共に、該永久磁石の回転面に近接しファラデイ回転子
を設け、該ファラデイ回転子の中を通り前記永久磁石の
回転面に平行する軸上にファラデイ回転子を挾んで一方
には偏光子と光ファイバと光源上を順次配設し、他方に
は検光子と光ファイバと光検出器とを順次配設して成る
ことを特徴とする光素子を用いた回転角センサ。A rod-shaped permanent magnet is rotatably supported with its center pivoted, and a Faraday rotor is provided adjacent to the rotating surface of the permanent magnet, passing through the Faraday rotor and parallel to the rotating surface of the permanent magnet. A Faraday rotator is placed on the axis, and a polarizer, an optical fiber, and a light source are sequentially arranged on one side, and an analyzer, an optical fiber, and a photodetector are sequentially arranged on the other side. A rotation angle sensor using an optical element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8476782U JPS58187709U (en) | 1982-06-09 | 1982-06-09 | Rotation angle sensor using optical elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8476782U JPS58187709U (en) | 1982-06-09 | 1982-06-09 | Rotation angle sensor using optical elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58187709U true JPS58187709U (en) | 1983-12-13 |
Family
ID=30093692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8476782U Pending JPS58187709U (en) | 1982-06-09 | 1982-06-09 | Rotation angle sensor using optical elements |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58187709U (en) |
-
1982
- 1982-06-09 JP JP8476782U patent/JPS58187709U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58187709U (en) | Rotation angle sensor using optical elements | |
| JPS596774U (en) | Rotation sensor | |
| JPS60153560U (en) | semiconductor laser module | |
| JPS6112066U (en) | Rotating magnetic field detection device | |
| JPS6093130U (en) | Tape running direction display device | |
| JPS60189019U (en) | optical isolator | |
| JPS5832409U (en) | Rotation angle detection device | |
| JPS60150470U (en) | magnetic detector | |
| JPS60179961U (en) | octopus generator | |
| JPS58172235U (en) | optical pulse generator | |
| JPS59155552U (en) | Photoelectric encoder | |
| JPS5985980U (en) | globe clock | |
| JPS59144422U (en) | Photoelectric rotary encoder | |
| JPS59107564U (en) | drive device | |
| JPS58100317U (en) | Magneto-optic polarization rotation element | |
| JPS58170509U (en) | rotation angle sensor | |
| JPH0224816U (en) | ||
| JPS58172858U (en) | optical sample stage | |
| JPS58191653U (en) | optical read sensor | |
| JPS58103014U (en) | laser skiyana | |
| JPS63142721U (en) | ||
| JPS5883109U (en) | Degaussing device | |
| JPS59116984U (en) | display device | |
| JPS611157U (en) | Light transmittance measuring device | |
| JPS58177825U (en) | All-optical rotary encoder |