JPH0429142U - - Google Patents
Info
- Publication number
- JPH0429142U JPH0429142U JP7129790U JP7129790U JPH0429142U JP H0429142 U JPH0429142 U JP H0429142U JP 7129790 U JP7129790 U JP 7129790U JP 7129790 U JP7129790 U JP 7129790U JP H0429142 U JPH0429142 U JP H0429142U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical path
- light emitting
- light receiving
- path
- 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 10
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は、この考案の一実施例に係る拡散反射
型光電スイツチの投受光部を説明する図、第２図
は、同拡散反射型光電スイツチの物体検出特性を
説明する図、第３図は、従来の拡散反射型光電ス
イツチの投受光部を説明する図、第４図は、同従
来の拡散反射型光電スイツチの物体検出特性を説
明する図である。
３……ホルダ、４……投光用光路、５……受光
用光路、６……近距離用光路、７……投光素子、
８……受光素子。
FIG. 1 is a diagram illustrating the light emitting/receiving section of a diffuse reflection photoelectric switch according to an embodiment of the invention, FIG. 2 is a diagram illustrating the object detection characteristics of the diffuse reflection photoelectric switch, and FIG. FIG. 4 is a diagram illustrating a light emitting and receiving section of a conventional diffuse reflection type photoelectric switch, and FIG. 4 is a diagram illustrating object detection characteristics of the conventional diffuse reflection type photoelectric switch. 3... Holder, 4... Optical path for light projection, 5... Optical path for light reception, 6... Optical path for short distance, 7... Light projecting element,
8... Light receiving element.
Claims (1)
この投光用光路後端部、受光用光路後端部には、
それぞれ投光素子、受光素子を設けてなる拡散反
射型光電スイツチにおいて、 前記投光用光路と受光用光路とを結ぶ近距離用
光路を前記ホルダに設け、前記投光素子よりの光
の一部がこの近距離用光路を通つて、受光用光路
の前方に照射されることを特徴とする拡散反射型
光電スイツチ。[Scope of Claim for Utility Model Registration] A light path for light emission and a light path for light reception are arranged in parallel in the holder,
At the rear end of the light emitting optical path and the rear end of the light receiving optical path,
In a diffuse reflection type photoelectric switch provided with a light emitting element and a light receiving element, respectively, a short distance optical path connecting the light emitting optical path and the light receiving optical path is provided in the holder, and a part of the light from the light emitting element is provided. A diffuse reflection type photoelectric switch characterized in that the light is irradiated in front of the light receiving optical path through the short distance optical path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7129790U JPH0429142U (en) | 1990-07-03 | 1990-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7129790U JPH0429142U (en) | 1990-07-03 | 1990-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429142U true JPH0429142U (en) | 1992-03-09 |
Family
ID=31608200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7129790U Pending JPH0429142U (en) | 1990-07-03 | 1990-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429142U (en) |
-
1990
- 1990-07-03 JP JP7129790U patent/JPH0429142U/ja active Pending