JPH01120033U - - Google Patents
Info
- Publication number
- JPH01120033U JPH01120033U JP1520888U JP1520888U JPH01120033U JP H01120033 U JPH01120033 U JP H01120033U JP 1520888 U JP1520888 U JP 1520888U JP 1520888 U JP1520888 U JP 1520888U JP H01120033 U JPH01120033 U JP H01120033U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- closing
- signal
- open
- control device
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1520888U JPH0343555Y2 (no) | 1988-02-09 | 1988-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1520888U JPH0343555Y2 (no) | 1988-02-09 | 1988-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01120033U true JPH01120033U (no) | 1989-08-15 |
| JPH0343555Y2 JPH0343555Y2 (no) | 1991-09-12 |
Family
ID=31227063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1520888U Expired JPH0343555Y2 (no) | 1988-02-09 | 1988-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343555Y2 (no) |
-
1988
- 1988-02-09 JP JP1520888U patent/JPH0343555Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343555Y2 (no) | 1991-09-12 |