DE3890813T1 - POSITION MEASURING DEVICE USING LASER BEAMS - Google Patents

POSITION MEASURING DEVICE USING LASER BEAMS

Info

Publication number
DE3890813T1
DE3890813T1 DE19883890813 DE3890813T DE3890813T1 DE 3890813 T1 DE3890813 T1 DE 3890813T1 DE 19883890813 DE19883890813 DE 19883890813 DE 3890813 T DE3890813 T DE 3890813T DE 3890813 T1 DE3890813 T1 DE 3890813T1
Authority
DE
Germany
Prior art keywords
measuring device
laser beams
position measuring
beams
laser
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.)
Ceased
Application number
DE19883890813
Other languages
German (de)
Inventor
Toyoichi Ono
Kenji Tanabe
Yoshio Asayama
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.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 JP24438687A external-priority patent/JPH07122667B2/en
Priority claimed from JP362588A external-priority patent/JP2601294B2/en
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Priority claimed from PCT/JP1988/001008 external-priority patent/WO1989003049A1/en
Publication of DE3890813T1 publication Critical patent/DE3890813T1/en
Ceased legal-status Critical Current

Links

DE19883890813 1987-09-30 1988-09-30 POSITION MEASURING DEVICE USING LASER BEAMS Ceased DE3890813T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP24438687A JPH07122667B2 (en) 1987-09-30 1987-09-30 Surveyor using laser light
JP362588A JP2601294B2 (en) 1988-01-11 1988-01-11 Position measurement device
PCT/JP1988/001008 WO1989003049A1 (en) 1987-09-30 1988-09-30 Position meter using laser beam

Publications (1)

Publication Number Publication Date
DE3890813T1 true DE3890813T1 (en) 1990-08-30

Family

ID=27275911

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883890813 Ceased DE3890813T1 (en) 1987-09-30 1988-09-30 POSITION MEASURING DEVICE USING LASER BEAMS

Country Status (1)

Country Link
DE (1) DE3890813T1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714657A (en) * 1970-06-25 1973-01-30 Laitram Corp Method and apparatus for position location using angle encoding
WO1982000196A1 (en) * 1980-06-27 1982-01-21 Mitchelson D Movement measuring apparatus and landmarks for use therewith
GB2152320A (en) * 1983-12-07 1985-07-31 Robert James Siddall Position location system
US4688933A (en) * 1985-05-10 1987-08-25 The Laitram Corporation Electro-optical position determining system
US4700301A (en) * 1983-11-02 1987-10-13 Dyke Howard L Method of automatically steering agricultural type vehicles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714657A (en) * 1970-06-25 1973-01-30 Laitram Corp Method and apparatus for position location using angle encoding
WO1982000196A1 (en) * 1980-06-27 1982-01-21 Mitchelson D Movement measuring apparatus and landmarks for use therewith
US4700301A (en) * 1983-11-02 1987-10-13 Dyke Howard L Method of automatically steering agricultural type vehicles
GB2152320A (en) * 1983-12-07 1985-07-31 Robert James Siddall Position location system
US4688933A (en) * 1985-05-10 1987-08-25 The Laitram Corporation Electro-optical position determining system

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection