JPS6253122B2 - - Google Patents

Info

Publication number
JPS6253122B2
JPS6253122B2 JP1864779A JP1864779A JPS6253122B2 JP S6253122 B2 JPS6253122 B2 JP S6253122B2 JP 1864779 A JP1864779 A JP 1864779A JP 1864779 A JP1864779 A JP 1864779A JP S6253122 B2 JPS6253122 B2 JP S6253122B2
Authority
JP
Japan
Prior art keywords
brightness
sensor
detected
reflected light
land
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
JP1864779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55111711A (en
Inventor
Katsumi Ito
Shigeaki Okuyama
Yoshimi Oota
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 JP1864779A priority Critical patent/JPS55111711A/ja
Publication of JPS55111711A publication Critical patent/JPS55111711A/ja
Publication of JPS6253122B2 publication Critical patent/JPS6253122B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Guiding Agricultural Machines (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
JP1864779A 1979-02-19 1979-02-19 Power tiller Granted JPS55111711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1864779A JPS55111711A (en) 1979-02-19 1979-02-19 Power tiller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1864779A JPS55111711A (en) 1979-02-19 1979-02-19 Power tiller

Publications (2)

Publication Number Publication Date
JPS55111711A JPS55111711A (en) 1980-08-28
JPS6253122B2 true JPS6253122B2 (US06623731-20030923-C00012.png) 1987-11-09

Family

ID=11977399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1864779A Granted JPS55111711A (en) 1979-02-19 1979-02-19 Power tiller

Country Status (1)

Country Link
JP (1) JPS55111711A (US06623731-20030923-C00012.png)

Also Published As

Publication number Publication date
JPS55111711A (en) 1980-08-28

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