CA760620A - Distance measuring apparatus using laser beams - Google Patents

Distance measuring apparatus using laser beams

Info

Publication number
CA760620A
CA760620A CA760620A CA760620DA CA760620A CA 760620 A CA760620 A CA 760620A CA 760620 A CA760620 A CA 760620A CA 760620D A CA760620D A CA 760620DA CA 760620 A CA760620 A CA 760620A
Authority
CA
Canada
Prior art keywords
measuring apparatus
distance measuring
laser beams
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.)
Expired
Application number
CA760620A
Inventor
F. Walker Donald
T. Shepherd Alexander
Forbes Neil
M. Clarke Graham
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.)
Ferranti International PLC
Original Assignee
Donald F Walker
Neil Forbes
Ferranti PLC
Publication date
Application granted granted Critical
Publication of CA760620A publication Critical patent/CA760620A/en
Expired legal-status Critical Current

Links

CA760620A Distance measuring apparatus using laser beams Expired CA760620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA760620T

Publications (1)

Publication Number Publication Date
CA760620A true CA760620A (en) 1967-06-06

Family

ID=36197728

Family Applications (1)

Application Number Title Priority Date Filing Date
CA760620A Expired CA760620A (en) Distance measuring apparatus using laser beams

Country Status (1)

Country Link
CA (1) CA760620A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786176A (en) * 1986-01-06 1988-11-22 Rank Taylor Hobson Limited Metrological apparatus and method using polarization modulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786176A (en) * 1986-01-06 1988-11-22 Rank Taylor Hobson Limited Metrological apparatus and method using polarization modulation

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