JPH0263561U - - Google Patents
Info
- Publication number
- JPH0263561U JPH0263561U JP14259888U JP14259888U JPH0263561U JP H0263561 U JPH0263561 U JP H0263561U JP 14259888 U JP14259888 U JP 14259888U JP 14259888 U JP14259888 U JP 14259888U JP H0263561 U JPH0263561 U JP H0263561U
- Authority
- JP
- Japan
- Prior art keywords
- convex
- condensing lens
- light
- light guide
- convex condensing
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図はこの考案の反射型光センサの一例を示
す断面図、第２図はその照光系および受光系の光
路を示す図、第３図および第４図はその照光面上
における照光エリアと反射エリアの関係を示す図
、第５図は従来の反射型光センサの一例を示す断
面図、第６図はその照光系および受光系の光路を
示す図、第７図および第８図はその照光面上にお
ける照光エリアと反射エリアの関係を示す図であ
る。
Figure 1 is a cross-sectional view showing an example of the reflective optical sensor of this invention, Figure 2 is a diagram showing the optical path of its illumination system and light receiving system, and Figures 3 and 4 are diagrams showing the illumination area on the illumination surface. Figure 5 is a cross-sectional view showing an example of a conventional reflective optical sensor, Figure 6 is a diagram showing the optical path of its illumination system and light receiving system, and Figures 7 and 8 are diagrams showing the relationship between reflective areas. It is a figure showing the relationship between the illumination area and the reflection area on the illumination surface.
Claims (1)
軸に対して反対側の位置に配された発光素子およ
び受光素子と、 上記中心軸上において上記ケースの他端側の先
端位置に配された集光用凸レンズと、 上記ケースの中央位置に配され、上記発光素子
から発した光を上記集光用凸レンズに導くととも
に、外部の照光面で反射して上記集光用凸レンズ
を通つた光を上記受光素子に導く光ガイドと、 この光ガイドと上記集光用凸レンズとの間にお
いて上記光ガイドの上記集光用凸レンズ側の端面
に近接して配された光路補正用凸レンズと、 を備える反射型光センサ。[Scope of Claim for Utility Model Registration] A case, a light emitting element and a light receiving element disposed on one end side of the case at positions opposite to each other with respect to the central axis of the entire optical system; A convex condensing lens placed at the tip of the other end, and a convex condensing lens placed at the center of the case, which guides the light emitted from the light emitting element to the convex condensing lens and reflects it on an external illumination surface. a light guide that guides the light passing through the convex condensing lens to the light receiving element; and a light guide disposed close to the end surface of the light guide on the convex condensing lens side between the light guide and the convex condensing lens. A reflective optical sensor comprising: a convex lens for optical path correction; and a convex lens for optical path correction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14259888U JPH06843Y2 (en) | 1988-10-31 | 1988-10-31 | Reflective optical sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14259888U JPH06843Y2 (en) | 1988-10-31 | 1988-10-31 | Reflective optical sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0263561U true JPH0263561U (en) | 1990-05-11 |
| JPH06843Y2 JPH06843Y2 (en) | 1994-01-05 |
Family
ID=31408691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14259888U Expired - Lifetime JPH06843Y2 (en) | 1988-10-31 | 1988-10-31 | Reflective optical sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06843Y2 (en) |
-
1988
- 1988-10-31 JP JP14259888U patent/JPH06843Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06843Y2 (en) | 1994-01-05 |
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