CA1297285C - Profileur optique de grande precision - Google Patents

Profileur optique de grande precision

Info

Publication number
CA1297285C
CA1297285C CA000562365A CA562365A CA1297285C CA 1297285 C CA1297285 C CA 1297285C CA 000562365 A CA000562365 A CA 000562365A CA 562365 A CA562365 A CA 562365A CA 1297285 C CA1297285 C CA 1297285C
Authority
CA
Canada
Prior art keywords
light
line
workpiece
optical system
detector
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 - Lifetime
Application number
CA000562365A
Other languages
English (en)
Inventor
Kevin G. Harding
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.)
Industrial Technology Research Institute ITRI
Original Assignee
Industrial Technology Research Institute ITRI
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 Industrial Technology Research Institute ITRI filed Critical Industrial Technology Research Institute ITRI
Application granted granted Critical
Publication of CA1297285C publication Critical patent/CA1297285C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
    • G01B11/2518—Projection by scanning of the object

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA000562365A 1987-04-17 1988-03-24 Profileur optique de grande precision Expired - Lifetime CA1297285C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3967087A 1987-04-17 1987-04-17
US039,670 1987-04-17

Publications (1)

Publication Number Publication Date
CA1297285C true CA1297285C (fr) 1992-03-17

Family

ID=21906744

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000562365A Expired - Lifetime CA1297285C (fr) 1987-04-17 1988-03-24 Profileur optique de grande precision

Country Status (2)

Country Link
CA (1) CA1297285C (fr)
GB (1) GB2203833B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6467428A (en) * 1987-09-07 1989-03-14 Yazaki Corp Display device for vehicle
US5206699A (en) 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
GB8826224D0 (en) * 1988-11-09 1988-12-14 Gersan Anstalt Sensing shape of object
US4946281A (en) * 1989-04-24 1990-08-07 General Motors Corporation Laser profiler for high precision surface dimensional grouping apparatus and method
DE4209309A1 (de) * 1991-04-04 1992-10-08 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum bestimmen des durchmessers von stabfoermigen artikeln

Also Published As

Publication number Publication date
GB2203833B (en) 1991-02-06
GB2203833A (en) 1988-10-26
GB8807431D0 (en) 1988-05-05

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Legal Events

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