CA985896A - Laser dimension comparator - Google Patents

Laser dimension comparator

Info

Publication number
CA985896A
CA985896A CA188,325A CA188325A CA985896A CA 985896 A CA985896 A CA 985896A CA 188325 A CA188325 A CA 188325A CA 985896 A CA985896 A CA 985896A
Authority
CA
Canada
Prior art keywords
laser dimension
comparator
dimension comparator
laser
dimension
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
CA188,325A
Other languages
English (en)
Inventor
Teddy L. Moore
Donald L. Cullen
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.)
AUTECH CORP
Original Assignee
AUTECH 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 US323786A external-priority patent/US3895870A/en
Application filed by AUTECH CORP filed Critical AUTECH CORP
Application granted granted Critical
Publication of CA985896A publication Critical patent/CA985896A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA188,325A 1973-01-15 1973-12-17 Laser dimension comparator Expired CA985896A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US323786A US3895870A (en) 1971-06-01 1973-01-15 Laser dimension comparator

Publications (1)

Publication Number Publication Date
CA985896A true CA985896A (en) 1976-03-23

Family

ID=23260723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA188,325A Expired CA985896A (en) 1973-01-15 1973-12-17 Laser dimension comparator

Country Status (4)

Country Link
CA (1) CA985896A (cs)
FR (1) FR2214107B1 (cs)
GB (1) GB1458274A (cs)
IT (1) IT1008667B (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2308908A1 (fr) * 1975-04-25 1976-11-19 Siderurgie Fse Inst Rech Procede pour la detection et la mesure des defauts de planeite des toles
US4671654A (en) * 1983-05-21 1987-06-09 Mac Co., Ltd. Automatic surveying apparatus using a laser beam
GB9107740D0 (en) * 1991-04-11 1991-05-29 Atomic Energy Authority Uk Method of monitoring displacements
CN114789884B (zh) * 2022-04-01 2023-12-05 中石化石油机械股份有限公司沙市钢管分公司 基于激光技术的防腐自动追管装置及追管方法

Also Published As

Publication number Publication date
FR2214107B1 (cs) 1979-06-01
DE2401618A1 (de) 1974-07-18
DE2401618B2 (de) 1976-01-08
IT1008667B (it) 1976-11-30
FR2214107A1 (cs) 1974-08-09
AU6429174A (en) 1975-07-10
GB1458274A (en) 1976-12-15

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