JPS61165476U - - Google Patents
Info
- Publication number
- JPS61165476U JPS61165476U JP5018685U JP5018685U JPS61165476U JP S61165476 U JPS61165476 U JP S61165476U JP 5018685 U JP5018685 U JP 5018685U JP 5018685 U JP5018685 U JP 5018685U JP S61165476 U JPS61165476 U JP S61165476U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- outside
- microphone
- pressure level
- reference value
- 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 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5018685U JPS61165476U (sv) | 1985-04-02 | 1985-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5018685U JPS61165476U (sv) | 1985-04-02 | 1985-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61165476U true JPS61165476U (sv) | 1986-10-14 |
Family
ID=30568083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5018685U Pending JPS61165476U (sv) | 1985-04-02 | 1985-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61165476U (sv) |
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1985
- 1985-04-02 JP JP5018685U patent/JPS61165476U/ja active Pending