JPS644601B2 - - Google Patents

Info

Publication number
JPS644601B2
JPS644601B2 JP3566982A JP3566982A JPS644601B2 JP S644601 B2 JPS644601 B2 JP S644601B2 JP 3566982 A JP3566982 A JP 3566982A JP 3566982 A JP3566982 A JP 3566982A JP S644601 B2 JPS644601 B2 JP S644601B2
Authority
JP
Japan
Prior art keywords
transmitter
ground
ultrasonic
receiver
reflected
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
JP3566982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58152410A (ja
Inventor
Shigeo Sato
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.)
Kubota Corp
Original Assignee
Kubota 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
Application filed by Kubota Corp filed Critical Kubota Corp
Priority to JP3566982A priority Critical patent/JPS58152410A/ja
Publication of JPS58152410A publication Critical patent/JPS58152410A/ja
Publication of JPS644601B2 publication Critical patent/JPS644601B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Agricultural Machines (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Harvester Elements (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP3566982A 1982-03-04 1982-03-04 作業部の対地レベル検出装置 Granted JPS58152410A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3566982A JPS58152410A (ja) 1982-03-04 1982-03-04 作業部の対地レベル検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3566982A JPS58152410A (ja) 1982-03-04 1982-03-04 作業部の対地レベル検出装置

Publications (2)

Publication Number Publication Date
JPS58152410A JPS58152410A (ja) 1983-09-10
JPS644601B2 true JPS644601B2 (fr) 1989-01-26

Family

ID=12448274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3566982A Granted JPS58152410A (ja) 1982-03-04 1982-03-04 作業部の対地レベル検出装置

Country Status (1)

Country Link
JP (1) JPS58152410A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412284A (en) * 1987-07-06 1989-01-17 Kurita Water Ind Ltd Ultrasonic range finder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5216325A (en) * 1975-07-30 1977-02-07 Yanmar Agricult Equip Cutterrbar adjusting device for combine
JPS5828554B2 (ja) * 1978-11-22 1983-06-16 松下電器産業株式会社 超音波距離計
JPS56153267A (en) * 1980-04-30 1981-11-27 Diesel Kiki Co Ltd Distance measuring device using ultrasonic wave

Also Published As

Publication number Publication date
JPS58152410A (ja) 1983-09-10

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