JPH0458778U - - Google Patents
Info
- Publication number
- JPH0458778U JPH0458778U JP10289790U JP10289790U JPH0458778U JP H0458778 U JPH0458778 U JP H0458778U JP 10289790 U JP10289790 U JP 10289790U JP 10289790 U JP10289790 U JP 10289790U JP H0458778 U JPH0458778 U JP H0458778U
- Authority
- JP
- Japan
- Prior art keywords
- light
- case body
- light emitting
- guide
- ball lens
- 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
- 230000003287 optical effect Effects 0.000 claims 1
Description
第１図ａはこの考案による読取センサの一例を
示す平面図、同図ｂはａ図のＡ−Ａ線断面図、第
２図ａは従来の読取センサを示す平面図、同図ｂ
はａ図のＢ−Ｂ線断面図である。
１，２……読取センサ、１１ａ，１１ｂ，２１
，２２……ケース本体、１２……ボールレンズ、
１３……発光素子、１４……受光素子、２３……
遮へい板、２４，２５……ライトガイド。
Fig. 1a is a plan view showing an example of a reading sensor according to this invention, Fig. 1b is a sectional view taken along line A-A in Fig. 2a, Fig. 2a is a plan view showing a conventional reading sensor, Fig. 2b
is a cross-sectional view taken along line B-B in figure a. 1, 2...reading sensor, 11a, 11b, 21
, 22...Case body, 12...Ball lens,
13... Light emitting element, 14... Light receiving element, 23...
Shielding plate, 24, 25...Light guide.
Claims (1)
受光素子と、上記ケース本体の先端部に設けられ
たボールレンズと、上記発光素子から出射される
光を上記ボールレンズに導くように上記ケース本
体に配設される発光側のライトガイドと、上記発
光側のライトガイドに並置され上記ボールレンズ
からの光を上記受光素子に導く受光側のライトガ
イドと、上記発光素子と受光素子の間および上記
発光側のライトガイドと受光側のライトガイドの
間に位置するように、上記ケース本体の後部側か
ら先端部に向けて延設される遮へい板とを備えた
ことを特徴とする光学式読取センサ。 A light emitting element and a light receiving element provided at the rear of the case body, a ball lens provided at the tip of the case body, and a ball lens arranged in the case body so as to guide light emitted from the light emitting element to the ball lens. a light guide on the light emitting side provided, a light guide on the light receiving side that is placed in parallel with the light guide on the light emitting side and guides the light from the ball lens to the light receiving element, and a light guide between the light emitting element and the light receiving element and on the light emitting side. An optical reading sensor comprising: a shielding plate extending from the rear side of the case body toward the tip so as to be positioned between the light guide of the case body and the light guide of the light receiving side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10289790U JPH0458778U (en) | 1990-09-28 | 1990-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10289790U JPH0458778U (en) | 1990-09-28 | 1990-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458778U true JPH0458778U (en) | 1992-05-20 |
Family
ID=31847529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10289790U Pending JPH0458778U (en) | 1990-09-28 | 1990-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458778U (en) |
-
1990
- 1990-09-28 JP JP10289790U patent/JPH0458778U/ja active Pending
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