JPH0451617U - - Google Patents
Info
- Publication number
- JPH0451617U JPH0451617U JP9342090U JP9342090U JPH0451617U JP H0451617 U JPH0451617 U JP H0451617U JP 9342090 U JP9342090 U JP 9342090U JP 9342090 U JP9342090 U JP 9342090U JP H0451617 U JPH0451617 U JP H0451617U
- Authority
- JP
- Japan
- Prior art keywords
- light
- reflecting mirror
- incidence
- detection element
- moving body
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す概略構成図で
ある。
符号の説明、１……テーブル、２……反射鏡、
３……ＬＥＤランプ、４……光入射位置検出素子
。
FIG. 1 is a schematic diagram showing an embodiment of the present invention. Explanation of symbols, 1...Table, 2...Reflector,
3...LED lamp, 4...Light incident position detection element.
Claims (1)
と、この移動体と一体となつて移動する反射鏡と
、この反射鏡に対して一定の入射角で光を照射す
る光源と、前記反射鏡からの反射光が入射可能な
位置に配置された光入射位置検知素子とを有し、
前記移動体がその原点位置にあるときに、前記反
射鏡からの反射光が前記光入射位置検知素子の予
め定めた位置に入射されるように設定されている
ことを特徴とする光学式原点位置検出装置。 A moving body that moves minutely in at least one direction, a reflecting mirror that moves together with the moving body, a light source that irradiates light at a constant angle of incidence to the reflecting mirror, and a light source that emits light from the reflecting mirror at a constant angle of incidence. and a light incident position detection element arranged at a position where reflected light can be incident,
An optical origin position characterized in that the light reflected from the reflecting mirror is set to enter a predetermined position of the light incidence position detection element when the movable body is at its origin position. Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9342090U JPH0451617U (en) | 1990-09-05 | 1990-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9342090U JPH0451617U (en) | 1990-09-05 | 1990-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0451617U true JPH0451617U (en) | 1992-04-30 |
Family
ID=31830613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9342090U Pending JPH0451617U (en) | 1990-09-05 | 1990-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451617U (en) |
-
1990
- 1990-09-05 JP JP9342090U patent/JPH0451617U/ja active Pending