JPS6230114U - - Google Patents
Info
- Publication number
- JPS6230114U JPS6230114U JP12122485U JP12122485U JPS6230114U JP S6230114 U JPS6230114 U JP S6230114U JP 12122485 U JP12122485 U JP 12122485U JP 12122485 U JP12122485 U JP 12122485U JP S6230114 U JPS6230114 U JP S6230114U
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflecting plate
- rotation
- reflector
- detection device
- 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
- 238000001514 detection method Methods 0.000 claims description 4
Landscapes
- Optical Transform (AREA)
Description
図面は本考案の回転検出装置の一実施例を示し
、第１図は中央縦断面図、第２図ａ，ｂ，ｃは案
内部材の各平面図、縦断面図、底面図、第３図は
反射板の底面図である。
１…反射板、２…光検出部、３…案内部材、１
２，１３…反射面、２１…発光素子（発光部）、
２２…受光素子（受光部）、３１…第１案内路、
３２…第２案内路。
The drawings show an embodiment of the rotation detection device of the present invention, in which FIG. 1 is a central vertical sectional view, FIGS. 2 a, b, and c are plan views, longitudinal sectional views, and bottom views of the guide member, and FIG. is a bottom view of the reflector. DESCRIPTION OF SYMBOLS 1... Reflection plate, 2... Light detection part, 3... Guide member, 1
2, 13... Reflective surface, 21... Light emitting element (light emitting part),
22... Light receiving element (light receiving section), 31... First guide path,
32...Second guide route.
Claims (1)
ともに、反射率の異なる二種類の反射面が回転方
向に沿つて交互に連続して設けられた反射板と、
この反射板に対向して設けられるとともに、反射
板に向かつて光を発する発光部および反射板で反
射された光を受ける受光部を有する光検出部とを
備えた回転検出装置において、 前記発光部より出た光を前記反射板に案内する
第１案内路および反射板で反射された光を前記受
光部に案内する第２案内路を備えた案内部材が、
前記反射板と前記光検出部との間に設けられてな
ることを特徴とする回転検出装置。[Claims for Utility Model Registration] A reflecting plate that is attached to an object to be rotated so as to rotate integrally therewith, and in which two types of reflecting surfaces with different reflectances are provided alternately and consecutively along the direction of rotation;
A rotation detecting device, which is provided opposite to the reflecting plate and includes a light detecting unit having a light emitting unit that emits light toward the reflecting plate and a light receiving unit that receives light reflected by the reflecting plate, the light emitting unit A guide member comprising a first guide path that guides light emitted from the reflector to the reflecting plate and a second guide path that guides the light reflected by the reflector to the light receiving section,
A rotation detection device, characterized in that the rotation detection device is provided between the reflection plate and the photodetection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12122485U JPS6230114U (en) | 1985-08-06 | 1985-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12122485U JPS6230114U (en) | 1985-08-06 | 1985-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6230114U true JPS6230114U (en) | 1987-02-23 |
Family
ID=31010292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12122485U Pending JPS6230114U (en) | 1985-08-06 | 1985-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6230114U (en) |
-
1985
- 1985-08-06 JP JP12122485U patent/JPS6230114U/ja active Pending