CA1234614A - Dispositif sonar de reglage automatique de la hauteur de coupe d'une machine a moissonneur les epis - Google Patents

Dispositif sonar de reglage automatique de la hauteur de coupe d'une machine a moissonneur les epis

Info

Publication number: CA1234614A
Authority: CA; Canada
Prior art keywords: signals; header; pulses; electrical; signal
Prior art date: 1985-03-28
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

Application number

CA000477797A

Other languages

English (en)

Inventor

Wilford R. Thornley

James G. Wiser

Ezra C. Lundahl

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Ezra C Lundahl Inc

Original Assignee

Ezra C Lundahl Inc

Priority date (The priority date 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 date listed.)

1985-03-28

Filing date

1985-03-28

Publication date

1988-03-29

1985-03-28 Application filed by Ezra C Lundahl Inc filed Critical Ezra C Lundahl Inc

1985-03-28 Priority to CA000477797A priority Critical patent/CA1234614A/fr

1988-03-29 Application granted granted Critical

1988-03-29 Publication of CA1234614A publication Critical patent/CA1234614A/fr

Status Expired legal-status Critical Current

Links

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238000012544 monitoring process Methods 0.000 claims description 3
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Landscapes

Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

CA000477797A 1985-03-28 1985-03-28 Dispositif sonar de reglage automatique de la hauteur de coupe d'une machine a moissonneur les epis Expired CA1234614A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000477797A CA1234614A (fr)	1985-03-28	1985-03-28	Dispositif sonar de reglage automatique de la hauteur de coupe d'une machine a moissonneur les epis

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000477797A CA1234614A (fr)	1985-03-28	1985-03-28	Dispositif sonar de reglage automatique de la hauteur de coupe d'une machine a moissonneur les epis

Publications (1)

Publication Number	Publication Date
CA1234614A true CA1234614A (fr)	1988-03-29

Family

ID=4130143

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000477797A Expired CA1234614A (fr)	1985-03-28	1985-03-28	Dispositif sonar de reglage automatique de la hauteur de coupe d'une machine a moissonneur les epis

Country Status (1)

Country	Link
CA (1)	CA1234614A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2022082133A1 (fr) *	2020-10-15	2022-04-21	Topcon Positioning Systems, Inc.	Procédé et appareil de détermination et de cartographie de la hauteur de cultures

1985
- 1985-03-28 CA CA000477797A patent/CA1234614A/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2022082133A1 (fr) *	2020-10-15	2022-04-21	Topcon Positioning Systems, Inc.	Procédé et appareil de détermination et de cartographie de la hauteur de cultures

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Legal Events

Date	Code	Title	Description
2005-03-29	MKEX	Expiry