JPH02110146U - - Google Patents
Info
- Publication number
- JPH02110146U JPH02110146U JP1934989U JP1934989U JPH02110146U JP H02110146 U JPH02110146 U JP H02110146U JP 1934989 U JP1934989 U JP 1934989U JP 1934989 U JP1934989 U JP 1934989U JP H02110146 U JPH02110146 U JP H02110146U
- Authority
- JP
- Japan
- Prior art keywords
- light
- package
- emitting element
- focusing lens
- focused
- 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 description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図および第２図は本考案の一実施例にかか
り、第１図は反射型光センサの構成を模式的に示
した一部切欠の斜視図、第２図は反射型光センサ
の縦断側面図である。また、第３図は従来例にか
かる反射型光センサの構成原理図である。
２……発光素子、３……受光素子、４……集束
レンズ、１２……パツケージ、１３……開口窓。
Figures 1 and 2 show an embodiment of the present invention, with Figure 1 being a partially cutaway perspective view schematically showing the configuration of a reflective optical sensor, and Figure 2 being a longitudinal cross-section of the reflective optical sensor. FIG. Further, FIG. 3 is a diagram illustrating the configuration principle of a reflective optical sensor according to a conventional example. 2... Light emitting element, 3... Light receiving element, 4... Focusing lens, 12... Package, 13... Opening window.
Claims (1)
設けられているとともに、発光素子からの拡散出
射光をパツケージ外部へ集束する一方、パツケー
ジ外部の被検出物などにより反射された拡散反射
光をパツケージ内部へ集束する単一の集束レンズ
が前記パツケージの開口窓側に設けられ、かつ、 受光素子の受光面が、集束レンズによつてパツ
ケージ内部に集束させられる光線束のうち最も外
側を通る光線の内側に入れられていることを特徴
とする反射型光センサ。[Claims for Utility Model Registration] A light-emitting element and a light-receiving element are provided in the same package, and while the diffused emitted light from the light-emitting element is focused to the outside of the package, it A single focusing lens for focusing the diffusely reflected light into the inside of the package is provided on the opening window side of the package, and the light receiving surface of the light receiving element is the outermost part of the bundle of rays focused into the inside of the package by the focusing lens. A reflective optical sensor characterized by being placed inside the light beam passing through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1934989U JPH02110146U (en) | 1989-02-20 | 1989-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1934989U JPH02110146U (en) | 1989-02-20 | 1989-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02110146U true JPH02110146U (en) | 1990-09-04 |
Family
ID=31234780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1934989U Pending JPH02110146U (en) | 1989-02-20 | 1989-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02110146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04243032A (en) * | 1991-01-18 | 1992-08-31 | Furukawa Electric Co Ltd:The | Reflection type optical sensor |
-
1989
- 1989-02-20 JP JP1934989U patent/JPH02110146U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04243032A (en) * | 1991-01-18 | 1992-08-31 | Furukawa Electric Co Ltd:The | Reflection type optical sensor |