JPH0214006B2 - - Google Patents
Info
- Publication number
- JPH0214006B2 JPH0214006B2 JP20806882A JP20806882A JPH0214006B2 JP H0214006 B2 JPH0214006 B2 JP H0214006B2 JP 20806882 A JP20806882 A JP 20806882A JP 20806882 A JP20806882 A JP 20806882A JP H0214006 B2 JPH0214006 B2 JP H0214006B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- ground
- signal
- output signal
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 3
- 238000009333 weeding Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Landscapes
- Harvester Elements (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20806882A JPS5998614A (ja) | 1982-11-27 | 1982-11-27 | 農作業機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20806882A JPS5998614A (ja) | 1982-11-27 | 1982-11-27 | 農作業機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5998614A JPS5998614A (ja) | 1984-06-07 |
JPH0214006B2 true JPH0214006B2 (fr) | 1990-04-05 |
Family
ID=16550109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20806882A Granted JPS5998614A (ja) | 1982-11-27 | 1982-11-27 | 農作業機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5998614A (fr) |
-
1982
- 1982-11-27 JP JP20806882A patent/JPS5998614A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5998614A (ja) | 1984-06-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE9702876D0 (sv) | A cardiac monitoring device and rate responsive pacemaker system | |
JPH0214006B2 (fr) | ||
JPS58142279A (ja) | 作業車 | |
JP2543610B2 (ja) | 海底反射波位置検出装置 | |
JP2794129B2 (ja) | 給餌制御方法及び装置 | |
JPS62277584A (ja) | 超音波物体検知器 | |
JPS592550Y2 (ja) | 積雪計 | |
JPH0633774Y2 (ja) | コンバインにおける刈高さ制御装置 | |
JPS59218973A (ja) | 車載用障害物検知装置 | |
JPH01232255A (ja) | 床面判別器 | |
JPS5844382Y2 (ja) | 積雪計 | |
JPH0882673A (ja) | 超音波式距離測定装置 | |
JPS644601B2 (fr) | ||
SU1598896A1 (ru) | Фотооптический датчик дл автоматического направлени движени мобильных машин | |
JPS6239337Y2 (fr) | ||
JPH0421921U (fr) | ||
JPS6041800B2 (ja) | 車両検出装置 | |
CA1240031A (fr) | Circuits electriques pour signaux de chronometrage | |
JP2849417B2 (ja) | 超音波検知器 | |
JPS61254113A (ja) | コンバインの刈取部高さ制御装置 | |
SU1618364A1 (ru) | Устройство дл измерени горизонтального раскрыти рыболовного трала | |
JPH0116061Y2 (fr) | ||
JPH0346584A (ja) | 超音波検知器 | |
JPH0215172B2 (fr) | ||
JPS6122276A (ja) | 高度深度ソ−ナ− |