JPS62187237U - - Google Patents
Info
- Publication number
- JPS62187237U JPS62187237U JP7426586U JP7426586U JPS62187237U JP S62187237 U JPS62187237 U JP S62187237U JP 7426586 U JP7426586 U JP 7426586U JP 7426586 U JP7426586 U JP 7426586U JP S62187237 U JPS62187237 U JP S62187237U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- emitting element
- dirt
- filter
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ventilation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7426586U JPS62187237U (cs) | 1986-05-16 | 1986-05-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7426586U JPS62187237U (cs) | 1986-05-16 | 1986-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62187237U true JPS62187237U (cs) | 1987-11-28 |
Family
ID=30919319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7426586U Pending JPS62187237U (cs) | 1986-05-16 | 1986-05-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62187237U (cs) |
-
1986
- 1986-05-16 JP JP7426586U patent/JPS62187237U/ja active Pending
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