AU3910885A - A depth control system - Google Patents
A depth control systemInfo
- Publication number
- AU3910885A AU3910885A AU39108/85A AU3910885A AU3910885A AU 3910885 A AU3910885 A AU 3910885A AU 39108/85 A AU39108/85 A AU 39108/85A AU 3910885 A AU3910885 A AU 3910885A AU 3910885 A AU3910885 A AU 3910885A
- Authority
- AU
- Australia
- Prior art keywords
- control system
- depth control
- depth
- control
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
- A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
- A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
- A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
- A01B63/1112—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements using a non-tactile ground distance measurement, e.g. using reflection of waves
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU39108/85A AU3910885A (en) | 1983-10-07 | 1985-02-22 | A depth control system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU30289/84A AU563491B2 (en) | 1983-07-06 | 1983-10-07 | Depth control system |
AU39108/85A AU3910885A (en) | 1983-10-07 | 1985-02-22 | A depth control system |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU30289/84A Division AU563491B2 (en) | 1983-07-06 | 1983-10-07 | Depth control system |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3910885A true AU3910885A (en) | 1985-03-21 |
Family
ID=3718258
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU30289/84A Ceased AU563491B2 (en) | 1983-07-06 | 1983-10-07 | Depth control system |
AU39108/85A Pending AU3910885A (en) | 1983-10-07 | 1985-02-22 | A depth control system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU30289/84A Ceased AU563491B2 (en) | 1983-07-06 | 1983-10-07 | Depth control system |
Country Status (1)
Country | Link |
---|---|
AU (2) | AU563491B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986001906A1 (en) * | 1984-09-18 | 1986-03-27 | Agtronics Pty. Ltd. | Means for determining distance between two points |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4507910A (en) * | 1983-11-21 | 1985-04-02 | Ezra C. Lundahl, Inc. | Automatic sonar activated height control for a header |
FR2666911B1 (en) * | 1990-09-19 | 1992-12-18 | Huard Sa | ELECTRONIC DEVICE FOR CONTROLLING THE DEPTH AND LIFTING OF A SEMI-REACHED PLOW. |
FR2681500B1 (en) * | 1991-09-24 | 1998-09-11 | Sagem | METHOD AND DEVICE FOR THE VERTICAL REGULATION, RELATIVE TO THE SURFACE OF THE GROUND, OF A TOOL MOUNTED AT THE BACK OF A VEHICLE AND AGRICULTURAL TRACTOR EQUIPPED WITH IT. |
ITUA20161821A1 (en) | 2016-03-18 | 2017-09-18 | Cnh Ind Italia Spa | ULTRASONIC SENSORS TO MEASURE THE IRREGULARITY OF THE SOIL |
-
1983
- 1983-10-07 AU AU30289/84A patent/AU563491B2/en not_active Ceased
-
1985
- 1985-02-22 AU AU39108/85A patent/AU3910885A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986001906A1 (en) * | 1984-09-18 | 1986-03-27 | Agtronics Pty. Ltd. | Means for determining distance between two points |
Also Published As
Publication number | Publication date |
---|---|
AU563491B2 (en) | 1987-07-09 |
AU3028984A (en) | 1985-01-31 |
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