JPH01155586U - - Google Patents
Info
- Publication number
- JPH01155586U JPH01155586U JP4913288U JP4913288U JPH01155586U JP H01155586 U JPH01155586 U JP H01155586U JP 4913288 U JP4913288 U JP 4913288U JP 4913288 U JP4913288 U JP 4913288U JP H01155586 U JPH01155586 U JP H01155586U
- Authority
- JP
- Japan
- Prior art keywords
- pass filter
- output
- alarm
- microphone
- 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.)
- Pending
Links
- 230000009849 deactivation Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4913288U JPH01155586U (forum.php) | 1988-04-12 | 1988-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4913288U JPH01155586U (forum.php) | 1988-04-12 | 1988-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155586U true JPH01155586U (forum.php) | 1989-10-25 |
Family
ID=31275247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4913288U Pending JPH01155586U (forum.php) | 1988-04-12 | 1988-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155586U (forum.php) |
-
1988
- 1988-04-12 JP JP4913288U patent/JPH01155586U/ja active Pending