JPH0426352U - - Google Patents
Info
- Publication number
- JPH0426352U JPH0426352U JP6703590U JP6703590U JPH0426352U JP H0426352 U JPH0426352 U JP H0426352U JP 6703590 U JP6703590 U JP 6703590U JP 6703590 U JP6703590 U JP 6703590U JP H0426352 U JPH0426352 U JP H0426352U
- Authority
- JP
- Japan
- Prior art keywords
- space
- detection space
- optical sensor
- light emitting
- emitting 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 238000011109 contamination Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6703590U JPH0426352U (el) | 1990-06-25 | 1990-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6703590U JPH0426352U (el) | 1990-06-25 | 1990-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426352U true JPH0426352U (el) | 1992-03-02 |
Family
ID=31600259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6703590U Pending JPH0426352U (el) | 1990-06-25 | 1990-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426352U (el) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523520A (ja) * | 1991-07-25 | 1993-02-02 | Matsushita Electric Works Ltd | 光電式粉塵検知器付空気清浄器 |
| JPH08196846A (ja) * | 1995-01-30 | 1996-08-06 | Matsushita Electric Ind Co Ltd | 空気清浄器 |
-
1990
- 1990-06-25 JP JP6703590U patent/JPH0426352U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0523520A (ja) * | 1991-07-25 | 1993-02-02 | Matsushita Electric Works Ltd | 光電式粉塵検知器付空気清浄器 |
| JPH08196846A (ja) * | 1995-01-30 | 1996-08-06 | Matsushita Electric Ind Co Ltd | 空気清浄器 |