JPH0257024U - - Google Patents
Info
- Publication number
- JPH0257024U JPH0257024U JP13502388U JP13502388U JPH0257024U JP H0257024 U JPH0257024 U JP H0257024U JP 13502388 U JP13502388 U JP 13502388U JP 13502388 U JP13502388 U JP 13502388U JP H0257024 U JPH0257024 U JP H0257024U
- Authority
- JP
- Japan
- Prior art keywords
- light
- rotating body
- optical fiber
- inclined surface
- reflected
- 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
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Description
第１図及び第２図は、本考案による角度センサ
を示すためのもので、第１図は全体構成を示す概
略構成図、第２図は第１図の回転体を示す拡大斜
視図、第３図は従来の角度センサを示す断面図で
ある。
１は発光素子、２ａは第１光、２ｂは第２光、
２ａＡは第１反射光、２ｂＡは第２反射光、３は
ビームスプリツタ、４は第１光フアイバ、５は第
２光フアイバ、６は回転体、６ａは傾斜面である
。
1 and 2 are for illustrating the angle sensor according to the present invention. FIG. 1 is a schematic configuration diagram showing the overall configuration, FIG. 2 is an enlarged perspective view showing the rotating body of FIG. 1, and FIG. FIG. 3 is a sectional view showing a conventional angle sensor. 1 is a light emitting element, 2a is a first light, 2b is a second light,
2aA is a first reflected light, 2bA is a second reflected light, 3 is a beam splitter, 4 is a first optical fiber, 5 is a second optical fiber, 6 is a rotating body, and 6a is an inclined surface.
Claims (1)
ｂに分割するためのビームスプリツタ３と、前記
第１光２ａ及び第２光２ｂを第１光フアイバ４及
び第２光フアイバ５を介して照射するための傾斜
面６ａを有する回転体６と、前記第１光２ａ及び
第２光２ｂが前記傾斜面６ａで反射して得られる
第１反射光２ａＡ及び第２反射光２ｂＡを受光す
るための受光素子７とを備え、前記第１反射光２
ａＡ及び第２反射光２ｂＡの光路差により前記回
転体６の回転角度θを検出するようにしたことを
特徴とする角度センサ。 The light from the light emitting element 1 is converted into a first light 2a and a second light 2.
a rotating body 6 having an inclined surface 6a for irradiating the first light 2a and the second light 2b through the first optical fiber 4 and the second optical fiber 5; , a light receiving element 7 for receiving the first reflected light 2aA and the second reflected light 2bA obtained by reflecting the first light 2a and the second light 2b on the inclined surface 6a, 2
An angle sensor characterized in that the rotation angle θ of the rotating body 6 is detected by the optical path difference between aA and the second reflected light 2bA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13502388U JPH0257024U (en) | 1988-10-18 | 1988-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13502388U JPH0257024U (en) | 1988-10-18 | 1988-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0257024U true JPH0257024U (en) | 1990-04-25 |
Family
ID=31394291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13502388U Pending JPH0257024U (en) | 1988-10-18 | 1988-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0257024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011085406A (en) * | 2009-10-13 | 2011-04-28 | Tokai Rika Co Ltd | Rotation detector |
-
1988
- 1988-10-18 JP JP13502388U patent/JPH0257024U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011085406A (en) * | 2009-10-13 | 2011-04-28 | Tokai Rika Co Ltd | Rotation detector |