JPH0194147U - - Google Patents
Info
- Publication number
- JPH0194147U JPH0194147U JP18952087U JP18952087U JPH0194147U JP H0194147 U JPH0194147 U JP H0194147U JP 18952087 U JP18952087 U JP 18952087U JP 18952087 U JP18952087 U JP 18952087U JP H0194147 U JPH0194147 U JP H0194147U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- sound
- alarm
- set value
- emits
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18952087U JPH0194147U (cs) | 1987-12-15 | 1987-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18952087U JPH0194147U (cs) | 1987-12-15 | 1987-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0194147U true JPH0194147U (cs) | 1989-06-21 |
Family
ID=31480545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18952087U Pending JPH0194147U (cs) | 1987-12-15 | 1987-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0194147U (cs) |
-
1987
- 1987-12-15 JP JP18952087U patent/JPH0194147U/ja active Pending
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