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AU579662B2 - High rate seed sensor - Google Patents

High rate seed sensor

Info

Publication number
AU579662B2
AU579662B2 AU47124/85A AU4712485A AU579662B2 AU 579662 B2 AU579662 B2 AU 579662B2 AU 47124/85 A AU47124/85 A AU 47124/85A AU 4712485 A AU4712485 A AU 4712485A AU 579662 B2 AU579662 B2 AU 579662B2
Authority
AU
Australia
Prior art keywords
high rate
seed sensor
rate seed
sensor
seed
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
AU47124/85A
Other versions
AU4712485A (en
Inventor
David E. Steffen
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.)
Dickey John Corp
Original Assignee
Dickey John Corp
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
Priority claimed from US06/468,858 external-priority patent/US4555624A/en
Application filed by Dickey John Corp filed Critical Dickey John Corp
Publication of AU4712485A publication Critical patent/AU4712485A/en
Application granted granted Critical
Publication of AU579662B2 publication Critical patent/AU579662B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
    • H03K5/1534—Transition or edge detectors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
    • A01C7/10—Devices for adjusting the seed-box ; Regulation of machines for depositing quantities at intervals
    • A01C7/102—Regulating or controlling the seed rate
    • A01C7/105—Seed sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G06M1/101—Design features of general application for actuating the drive by electric or magnetic means by electro-optical means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Soil Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Nonlinear Science (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
AU47124/85A 1983-02-22 1985-09-04 High rate seed sensor Expired AU579662B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/468,858 US4555624A (en) 1983-02-22 1983-02-22 High rate seed sensor

Publications (2)

Publication Number Publication Date
AU4712485A AU4712485A (en) 1987-03-05
AU579662B2 true AU579662B2 (en) 1988-12-01

Family

ID=23861535

Family Applications (1)

Application Number Title Priority Date Filing Date
AU47124/85A Expired AU579662B2 (en) 1983-02-22 1985-09-04 High rate seed sensor

Country Status (2)

Country Link
AU (1) AU579662B2 (en)
CA (1) CA1243373A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618819A (en) * 1969-10-07 1971-11-09 Sigma Systems Electronic counting apparatus
US4163507A (en) * 1978-03-20 1979-08-07 International Tapetronics Corporation Optical seed sensor for a seed planter monitor
US4307390A (en) * 1979-11-07 1981-12-22 Dickey-John Corporation Corn and soybean sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618819A (en) * 1969-10-07 1971-11-09 Sigma Systems Electronic counting apparatus
US4163507A (en) * 1978-03-20 1979-08-07 International Tapetronics Corporation Optical seed sensor for a seed planter monitor
US4307390A (en) * 1979-11-07 1981-12-22 Dickey-John Corporation Corn and soybean sensor

Also Published As

Publication number Publication date
CA1243373A (en) 1988-10-18
AU4712485A (en) 1987-03-05

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