AU546993B2 - A height control system - Google Patents
A height control systemInfo
- Publication number
- AU546993B2 AU546993B2 AU40447/85A AU4044785A AU546993B2 AU 546993 B2 AU546993 B2 AU 546993B2 AU 40447/85 A AU40447/85 A AU 40447/85A AU 4044785 A AU4044785 A AU 4044785A AU 546993 B2 AU546993 B2 AU 546993B2
- Authority
- AU
- Australia
- Prior art keywords
- control system
- height control
- height
- 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.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D5/00—Control of dimensions of material
-
- 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
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 |
---|---|---|---|
AU40447/85A AU546993B2 (en) | 1983-10-07 | 1985-03-27 | A height control system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPG0141 | 1983-07-06 | ||
AUPG1737 | 1983-10-07 | ||
AU30289/84A AU563491B2 (en) | 1983-07-06 | 1983-10-07 | Depth control system |
AU40447/85A AU546993B2 (en) | 1983-10-07 | 1985-03-27 | A height 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 (3)
Publication Number | Publication Date |
---|---|
AU546993B3 AU546993B3 (en) | 1985-11-18 |
AU546993B2 true AU546993B2 (en) | 1985-11-18 |
AU546993A3 AU546993A3 (en) | 1985-11-18 |
Family
ID=25621394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU40447/85A Ceased AU546993B2 (en) | 1983-10-07 | 1985-03-27 | A height control system |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU546993B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU614486B2 (en) * | 1983-11-21 | 1991-09-05 | Ezra C. Lundahl, Inc. | Automatic sonar activated height control for a header |
EP0459336A1 (en) * | 1990-05-29 | 1991-12-04 | Deere & Company | Ultrasonic distance measuring system |
-
1985
- 1985-03-27 AU AU40447/85A patent/AU546993B2/en not_active Ceased
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU614486B2 (en) * | 1983-11-21 | 1991-09-05 | Ezra C. Lundahl, Inc. | Automatic sonar activated height control for a header |
EP0459336A1 (en) * | 1990-05-29 | 1991-12-04 | Deere & Company | Ultrasonic distance measuring system |
EP0653645A2 (en) * | 1990-05-29 | 1995-05-17 | Deere & Company | Method for measuring a distance |
EP0653644A2 (en) * | 1990-05-29 | 1995-05-17 | Deere & Company | Distance measuring system |
EP0653644A3 (en) * | 1990-05-29 | 1995-06-14 | Deere & Company | Distance measuring system |
EP0653645A3 (en) * | 1990-05-29 | 1995-06-14 | Deere & Company | Method for measuring a distance |
Also Published As
Publication number | Publication date |
---|---|
AU546993A3 (en) | 1985-11-18 |
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