JPH0293596U - - Google Patents
Info
- Publication number
- JPH0293596U JPH0293596U JP334689U JP334689U JPH0293596U JP H0293596 U JPH0293596 U JP H0293596U JP 334689 U JP334689 U JP 334689U JP 334689 U JP334689 U JP 334689U JP H0293596 U JPH0293596 U JP H0293596U
- Authority
- JP
- Japan
- Prior art keywords
- radio frequency
- sound waves
- wave sensor
- target equipment
- receives
- 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
- 230000002265 prevention Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Emergency Alarm Devices (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP334689U JPH0293596U (de) | 1989-01-13 | 1989-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP334689U JPH0293596U (de) | 1989-01-13 | 1989-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293596U true JPH0293596U (de) | 1990-07-25 |
Family
ID=31204902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP334689U Pending JPH0293596U (de) | 1989-01-13 | 1989-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293596U (de) |
-
1989
- 1989-01-13 JP JP334689U patent/JPH0293596U/ja active Pending
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