JPH01135589U - - Google Patents
Info
- Publication number
- JPH01135589U JPH01135589U JP3000788U JP3000788U JPH01135589U JP H01135589 U JPH01135589 U JP H01135589U JP 3000788 U JP3000788 U JP 3000788U JP 3000788 U JP3000788 U JP 3000788U JP H01135589 U JPH01135589 U JP H01135589U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- vehicle
- regular intervals
- reflected
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3000788U JPH01135589U (es) | 1988-03-07 | 1988-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3000788U JPH01135589U (es) | 1988-03-07 | 1988-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01135589U true JPH01135589U (es) | 1989-09-18 |
Family
ID=31254685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3000788U Pending JPH01135589U (es) | 1988-03-07 | 1988-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01135589U (es) |
-
1988
- 1988-03-07 JP JP3000788U patent/JPH01135589U/ja active Pending
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