JPH0241557Y2 - - Google Patents
Info
- Publication number
- JPH0241557Y2 JPH0241557Y2 JP15072785U JP15072785U JPH0241557Y2 JP H0241557 Y2 JPH0241557 Y2 JP H0241557Y2 JP 15072785 U JP15072785 U JP 15072785U JP 15072785 U JP15072785 U JP 15072785U JP H0241557 Y2 JPH0241557 Y2 JP H0241557Y2
- Authority
- JP
- Japan
- Prior art keywords
- rubber plate
- piezoelectric rubber
- electrode
- electrodes
- alarm 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.)
- Expired
Links
- 239000002184 metal Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15072785U JPH0241557Y2 (en]) | 1985-09-30 | 1985-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15072785U JPH0241557Y2 (en]) | 1985-09-30 | 1985-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6257768U JPS6257768U (en]) | 1987-04-10 |
| JPH0241557Y2 true JPH0241557Y2 (en]) | 1990-11-06 |
Family
ID=31067128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15072785U Expired JPH0241557Y2 (en]) | 1985-09-30 | 1985-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241557Y2 (en]) |
-
1985
- 1985-09-30 JP JP15072785U patent/JPH0241557Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6257768U (en]) | 1987-04-10 |
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