JPS62187238U - - Google Patents
Info
- Publication number
- JPS62187238U JPS62187238U JP7426686U JP7426686U JPS62187238U JP S62187238 U JPS62187238 U JP S62187238U JP 7426686 U JP7426686 U JP 7426686U JP 7426686 U JP7426686 U JP 7426686U JP S62187238 U JPS62187238 U JP S62187238U
- Authority
- JP
- Japan
- Prior art keywords
- light
- filter
- emitting element
- receiving element
- dirt
- 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 7
- 230000003287 optical effect Effects 0.000 claims 1
- 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 |
---|---|---|---|
JP7426686U JPS62187238U (zh) | 1986-05-16 | 1986-05-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7426686U JPS62187238U (zh) | 1986-05-16 | 1986-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62187238U true JPS62187238U (zh) | 1987-11-28 |
Family
ID=30919321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7426686U Pending JPS62187238U (zh) | 1986-05-16 | 1986-05-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62187238U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014055726A (ja) * | 2012-09-13 | 2014-03-27 | Panasonic Corp | レンジフード |
-
1986
- 1986-05-16 JP JP7426686U patent/JPS62187238U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014055726A (ja) * | 2012-09-13 | 2014-03-27 | Panasonic Corp | レンジフード |
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