JPH0126164Y2 - - Google Patents
Info
- Publication number
- JPH0126164Y2 JPH0126164Y2 JP18642882U JP18642882U JPH0126164Y2 JP H0126164 Y2 JPH0126164 Y2 JP H0126164Y2 JP 18642882 U JP18642882 U JP 18642882U JP 18642882 U JP18642882 U JP 18642882U JP H0126164 Y2 JPH0126164 Y2 JP H0126164Y2
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- ground level
- transmitter
- receiver
- drive mechanism
- 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.)
- Expired
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
Landscapes
- Harvester Elements (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Control Of Position Or Direction (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18642882U JPS5990337U (ja) | 1982-12-09 | 1982-12-09 | 作業車の対地レベルセンサ− |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18642882U JPS5990337U (ja) | 1982-12-09 | 1982-12-09 | 作業車の対地レベルセンサ− |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5990337U JPS5990337U (ja) | 1984-06-19 |
| JPH0126164Y2 true JPH0126164Y2 (Direct) | 1989-08-04 |
Family
ID=30402679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18642882U Granted JPS5990337U (ja) | 1982-12-09 | 1982-12-09 | 作業車の対地レベルセンサ− |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5990337U (Direct) |
-
1982
- 1982-12-09 JP JP18642882U patent/JPS5990337U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5990337U (ja) | 1984-06-19 |
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