JPH02107038U - - Google Patents
Info
- Publication number
- JPH02107038U JPH02107038U JP15883488U JP15883488U JPH02107038U JP H02107038 U JPH02107038 U JP H02107038U JP 15883488 U JP15883488 U JP 15883488U JP 15883488 U JP15883488 U JP 15883488U JP H02107038 U JPH02107038 U JP H02107038U
- Authority
- JP
- Japan
- Prior art keywords
- light
- half mirror
- voltage
- optical sensor
- emitter
- 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 3
- 230000006866 deterioration Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は、本考案の１実施例に係る光センサ劣
化診断装置のブロツク図である。
１…投光器、２…受光器、３…被検出体、４…
ハーフミラー、５…診断用受光器、６…定電圧源
、７…電圧比較器、８…光量低下信号。
FIG. 1 is a block diagram of an optical sensor deterioration diagnosing device according to an embodiment of the present invention. 1... Emitter, 2... Light receiver, 3... Detected object, 4...
Half mirror, 5...Diagnostic light receiver, 6... Constant voltage source, 7... Voltage comparator, 8... Light amount reduction signal.
Claims (1)
センサにおいて、前記投光器と前記被検出体の間
に設けられたハーフミラーと、該ハーフミラーで
反射した光を入力して光の強弱に応じた電圧を発
生する診断用受光器と、該受光器からの電圧とあ
らかじめ設定した一定電圧とを比較する比較器と
を具備したことを特徴とする光センサ劣化診断装
置。 In an optical sensor having a light emitter and a light receiver sandwiching an object to be detected, a half mirror is provided between the emitter and the object to be detected, and the light reflected by the half mirror is inputted and the light reflected by the half mirror is input and the light is adjusted according to the intensity of the light. An optical sensor deterioration diagnostic device comprising: a diagnostic light receiver that generates a voltage; and a comparator that compares the voltage from the light receiver with a preset constant voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15883488U JPH02107038U (en) | 1988-12-06 | 1988-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15883488U JPH02107038U (en) | 1988-12-06 | 1988-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02107038U true JPH02107038U (en) | 1990-08-24 |
Family
ID=31439519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15883488U Pending JPH02107038U (en) | 1988-12-06 | 1988-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02107038U (en) |
-
1988
- 1988-12-06 JP JP15883488U patent/JPH02107038U/ja active Pending