FR834484A - Automatic control device with photoelectric cells, particularly suitable for agricultural or horticultural machinery - Google Patents

Automatic control device with photoelectric cells, particularly suitable for agricultural or horticultural machinery

Info

Publication number
FR834484A
FR834484A FR834484DA FR834484A FR 834484 A FR834484 A FR 834484A FR 834484D A FR834484D A FR 834484DA FR 834484 A FR834484 A FR 834484A
Authority
FR
France
Prior art keywords
agricultural
control device
particularly suitable
automatic control
photoelectric cells
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
Application number
Other languages
French (fr)
Inventor
Andre Marie Auguste Ferte
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR834484A publication Critical patent/FR834484A/en
Expired legal-status Critical Current

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
    • A01B39/00—Other machines specially adapted for working soil on which crops are growing
    • A01B39/12—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture
    • A01B39/18—Other machines specially adapted for working soil on which crops are growing for special purposes, e.g. for special culture for weeding

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
FR834484D 1937-07-20 1937-07-20 Automatic control device with photoelectric cells, particularly suitable for agricultural or horticultural machinery Expired FR834484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR834484T 1937-07-20

Publications (1)

Publication Number Publication Date
FR834484A true FR834484A (en) 1938-11-22

Family

ID=9297125

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834484D Expired FR834484A (en) 1937-07-20 1937-07-20 Automatic control device with photoelectric cells, particularly suitable for agricultural or horticultural machinery

Country Status (1)

Country Link
FR (1) FR834484A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1582275B1 (en) * 1967-07-27 1971-10-21 Kleine Franz Maschf Beet harvester
WO1993009660A1 (en) * 1991-11-21 1993-05-27 Jan Moerk Hansen Method and apparatus for weeding rows of utility plants

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1582275B1 (en) * 1967-07-27 1971-10-21 Kleine Franz Maschf Beet harvester
WO1993009660A1 (en) * 1991-11-21 1993-05-27 Jan Moerk Hansen Method and apparatus for weeding rows of utility plants

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