JPH01148876U - - Google Patents
Info
- Publication number
- JPH01148876U JPH01148876U JP4296088U JP4296088U JPH01148876U JP H01148876 U JPH01148876 U JP H01148876U JP 4296088 U JP4296088 U JP 4296088U JP 4296088 U JP4296088 U JP 4296088U JP H01148876 U JPH01148876 U JP H01148876U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic sensor
- detected object
- uneven portion
- ultrasonic
- uneven
- 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 description 2
- 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 |
|---|---|---|---|
| JP4296088U JPH01148876U (zh) | 1988-04-01 | 1988-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4296088U JPH01148876U (zh) | 1988-04-01 | 1988-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01148876U true JPH01148876U (zh) | 1989-10-16 |
Family
ID=31269362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4296088U Pending JPH01148876U (zh) | 1988-04-01 | 1988-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01148876U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950009280A (ko) * | 1993-09-14 | 1995-04-21 | 프랭크 에이. 오울플링 | 폴리머 압전필름을 이용한 근접센서 |
-
1988
- 1988-04-01 JP JP4296088U patent/JPH01148876U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950009280A (ko) * | 1993-09-14 | 1995-04-21 | 프랭크 에이. 오울플링 | 폴리머 압전필름을 이용한 근접센서 |