JPH0178981U - - Google Patents
Info
- Publication number
- JPH0178981U JPH0178981U JP1987173912U JP17391287U JPH0178981U JP H0178981 U JPH0178981 U JP H0178981U JP 1987173912 U JP1987173912 U JP 1987173912U JP 17391287 U JP17391287 U JP 17391287U JP H0178981 U JPH0178981 U JP H0178981U
- Authority
- JP
- Japan
- Prior art keywords
- light
- pattern
- optical sensor
- reference pattern
- emits light
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000003909 pattern recognition Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
Description
第１図は本考案の光センサの模式的断面図、第
２図ａ及びｂは正常状態で物体を検出していない
状態の模式的構成図及びその信号パターン図、第
３図ａ及びｂは正常状態で物体を検出している状
態の模式的構成図及びその信号パターン図、第４
図ａ及びｂは誤検出状態における模式的構成図及
びその信号パターン図である。
１……投光器、２……受光器、３……光フアイ
バ、４……電源ケーブル、５……発光ダイオード
、６……パターンジユネレータ、７……受光ダイ
オード、８……パターン認識回路、９……物体検
出信号出力端、１０……アラーム信号出力端、Ｘ
……検出物体。
Figure 1 is a schematic cross-sectional view of the optical sensor of the present invention, Figures 2a and b are schematic configuration diagrams and signal pattern diagrams in a normal state in which no object is detected, and Figures 3a and b are Schematic configuration diagram and signal pattern diagram of a state in which an object is detected in a normal state, Part 4
Figures a and b are a schematic configuration diagram and a signal pattern diagram thereof in an erroneous detection state. DESCRIPTION OF SYMBOLS 1... Emitter, 2... Light receiver, 3... Optical fiber, 4... Power cable, 5... Light emitting diode, 6... Pattern generator, 7... Light receiving diode, 8... Pattern recognition circuit, 9 ...Object detection signal output end, 10...Alarm signal output end, X
...Detected object.
Claims (1)
する受光器とで構成される光センサにおいて、前
記投光器には予め設定された基準パターンで光を
発光させるパターンジユネレータを備え、前記受
光器には検出した光パターンを前記基準パターン
と比較して誤検出を認識するパターン認識回路を
備えたことを特徴とする光センサ。 In an optical sensor that includes a light emitter that emits light and a light receiver that receives the light from the light emitter, the light emitter is equipped with a pattern generator that emits light in a preset reference pattern, and the light receiver is equipped with a pattern generator that emits light in a preset reference pattern. An optical sensor comprising a pattern recognition circuit that compares a detected optical pattern with the reference pattern to recognize erroneous detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173912U JPH0178981U (en) | 1987-11-16 | 1987-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987173912U JPH0178981U (en) | 1987-11-16 | 1987-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0178981U true JPH0178981U (en) | 1989-05-26 |
Family
ID=31465797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987173912U Pending JPH0178981U (en) | 1987-11-16 | 1987-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0178981U (en) |
-
1987
- 1987-11-16 JP JP1987173912U patent/JPH0178981U/ja active Pending