JPH0220703Y2 - - Google Patents
Info
- Publication number
- JPH0220703Y2 JPH0220703Y2 JP17564985U JP17564985U JPH0220703Y2 JP H0220703 Y2 JPH0220703 Y2 JP H0220703Y2 JP 17564985 U JP17564985 U JP 17564985U JP 17564985 U JP17564985 U JP 17564985U JP H0220703 Y2 JPH0220703 Y2 JP H0220703Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- voltage value
- emitting element
- sensor switch
- receiving element
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000035945 sensitivity Effects 0.000 claims description 8
- 230000006866 deterioration Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000012742 biochemical analysis Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008717 functional decline Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17564985U JPH0220703Y2 (enrdf_load_stackoverflow) | 1985-11-15 | 1985-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17564985U JPH0220703Y2 (enrdf_load_stackoverflow) | 1985-11-15 | 1985-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6284766U JPS6284766U (enrdf_load_stackoverflow) | 1987-05-29 |
| JPH0220703Y2 true JPH0220703Y2 (enrdf_load_stackoverflow) | 1990-06-05 |
Family
ID=31115169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17564985U Expired JPH0220703Y2 (enrdf_load_stackoverflow) | 1985-11-15 | 1985-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220703Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5041525B2 (ja) * | 2007-07-09 | 2012-10-03 | 中国電力株式会社 | デジタル入力モジュールのチェック方法 |
-
1985
- 1985-11-15 JP JP17564985U patent/JPH0220703Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6284766U (enrdf_load_stackoverflow) | 1987-05-29 |
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