JPH0235087U - - Google Patents
Info
- Publication number
- JPH0235087U JPH0235087U JP11431488U JP11431488U JPH0235087U JP H0235087 U JPH0235087 U JP H0235087U JP 11431488 U JP11431488 U JP 11431488U JP 11431488 U JP11431488 U JP 11431488U JP H0235087 U JPH0235087 U JP H0235087U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- receiving
- reception
- circuit
- vehicle speed
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11431488U JPH0714940Y2 (ja) | 1988-08-31 | 1988-08-31 | 路面状況検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11431488U JPH0714940Y2 (ja) | 1988-08-31 | 1988-08-31 | 路面状況検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0235087U true JPH0235087U (un) | 1990-03-06 |
JPH0714940Y2 JPH0714940Y2 (ja) | 1995-04-10 |
Family
ID=31354945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11431488U Expired - Lifetime JPH0714940Y2 (ja) | 1988-08-31 | 1988-08-31 | 路面状況検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0714940Y2 (un) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101716270B1 (ko) * | 2015-12-03 | 2017-03-14 | 한국과학기술원 | 전방 지면 상태 추정 장치 및 방법 |
-
1988
- 1988-08-31 JP JP11431488U patent/JPH0714940Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0714940Y2 (ja) | 1995-04-10 |