JPH03111833U - - Google Patents
Info
- Publication number
- JPH03111833U JPH03111833U JP1757290U JP1757290U JPH03111833U JP H03111833 U JPH03111833 U JP H03111833U JP 1757290 U JP1757290 U JP 1757290U JP 1757290 U JP1757290 U JP 1757290U JP H03111833 U JPH03111833 U JP H03111833U
- Authority
- JP
- Japan
- Prior art keywords
- output
- outputs
- detection circuit
- duct
- detection
- 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 17
- 238000009423 ventilation Methods 0.000 claims description 17
- 230000002265 prevention Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ventilation (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1757290U JPH03111833U (enExample) | 1990-02-23 | 1990-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1757290U JPH03111833U (enExample) | 1990-02-23 | 1990-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111833U true JPH03111833U (enExample) | 1991-11-15 |
Family
ID=31520764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1757290U Pending JPH03111833U (enExample) | 1990-02-23 | 1990-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111833U (enExample) |
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1990
- 1990-02-23 JP JP1757290U patent/JPH03111833U/ja active Pending