JPH0536733B2 - - Google Patents
Info
- Publication number
- JPH0536733B2 JPH0536733B2 JP2207265A JP20726590A JPH0536733B2 JP H0536733 B2 JPH0536733 B2 JP H0536733B2 JP 2207265 A JP2207265 A JP 2207265A JP 20726590 A JP20726590 A JP 20726590A JP H0536733 B2 JPH0536733 B2 JP H0536733B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- detected object
- output
- light receiving
- circuit
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 19
- 230000007257 malfunction Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
- Electronic Switches (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2207265A JPH03179211A (ja) | 1990-08-03 | 1990-08-03 | 反射型光電スイッチ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2207265A JPH03179211A (ja) | 1990-08-03 | 1990-08-03 | 反射型光電スイッチ |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58032355A Division JPS59158029A (ja) | 1983-02-28 | 1983-02-28 | 反射型光電スイツチ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03179211A JPH03179211A (ja) | 1991-08-05 |
JPH0536733B2 true JPH0536733B2 (ru) | 1993-05-31 |
Family
ID=16536932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2207265A Granted JPH03179211A (ja) | 1990-08-03 | 1990-08-03 | 反射型光電スイッチ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03179211A (ru) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4538928B2 (ja) * | 2000-09-12 | 2010-09-08 | 住友金属工業株式会社 | 結晶粒度異常判定装置および結晶粒度異常判定方法 |
CN110320327B (zh) * | 2019-06-05 | 2023-12-15 | 浙江杭可科技股份有限公司 | 烟感自动测试装置及检测方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55119006A (en) * | 1979-03-09 | 1980-09-12 | Anritsu Corp | Displacement measuring instrument |
JPS57104809A (en) * | 1980-12-22 | 1982-06-30 | Minolta Camera Co Ltd | Range finder |
JPS5852514A (ja) * | 1981-08-11 | 1983-03-28 | カ−ル・エリツク・モランデル | 光源−観測面間距離測定装置 |
JPS5952514A (ja) * | 1982-09-20 | 1984-03-27 | Mitsubishi Heavy Ind Ltd | エアロゾルの浄化方法 |
-
1990
- 1990-08-03 JP JP2207265A patent/JPH03179211A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55119006A (en) * | 1979-03-09 | 1980-09-12 | Anritsu Corp | Displacement measuring instrument |
JPS57104809A (en) * | 1980-12-22 | 1982-06-30 | Minolta Camera Co Ltd | Range finder |
JPS5852514A (ja) * | 1981-08-11 | 1983-03-28 | カ−ル・エリツク・モランデル | 光源−観測面間距離測定装置 |
JPS5952514A (ja) * | 1982-09-20 | 1984-03-27 | Mitsubishi Heavy Ind Ltd | エアロゾルの浄化方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH03179211A (ja) | 1991-08-05 |
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