JPH01109902U - - Google Patents
Info
- Publication number
- JPH01109902U JPH01109902U JP508888U JP508888U JPH01109902U JP H01109902 U JPH01109902 U JP H01109902U JP 508888 U JP508888 U JP 508888U JP 508888 U JP508888 U JP 508888U JP H01109902 U JPH01109902 U JP H01109902U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- ground
- ultrasonic sensor
- wave
- receiver
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Harvester Elements (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP508888U JPH01109902U (sv) | 1988-01-18 | 1988-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP508888U JPH01109902U (sv) | 1988-01-18 | 1988-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01109902U true JPH01109902U (sv) | 1989-07-25 |
Family
ID=31508808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP508888U Pending JPH01109902U (sv) | 1988-01-18 | 1988-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01109902U (sv) |
-
1988
- 1988-01-18 JP JP508888U patent/JPH01109902U/ja active Pending