JPH01155597U - - Google Patents
Info
- Publication number
- JPH01155597U JPH01155597U JP4916088U JP4916088U JPH01155597U JP H01155597 U JPH01155597 U JP H01155597U JP 4916088 U JP4916088 U JP 4916088U JP 4916088 U JP4916088 U JP 4916088U JP H01155597 U JPH01155597 U JP H01155597U
- Authority
- JP
- Japan
- Prior art keywords
- wireless
- vibration detection
- wireless signals
- reception
- reception means
- 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 3
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4916088U JPH01155597U (en]) | 1988-04-12 | 1988-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4916088U JPH01155597U (en]) | 1988-04-12 | 1988-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01155597U true JPH01155597U (en]) | 1989-10-25 |
Family
ID=31275275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4916088U Pending JPH01155597U (en]) | 1988-04-12 | 1988-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01155597U (en]) |
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1988
- 1988-04-12 JP JP4916088U patent/JPH01155597U/ja active Pending