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GB1517571A - Determining the profile of a surface of an object - Google Patents

Determining the profile of a surface of an object

Info

Publication number
GB1517571A
GB1517571A GB2782175A GB2782175A GB1517571A GB 1517571 A GB1517571 A GB 1517571A GB 2782175 A GB2782175 A GB 2782175A GB 2782175 A GB2782175 A GB 2782175A GB 1517571 A GB1517571 A GB 1517571A
Authority
GB
United Kingdom
Prior art keywords
detectors
detector
field
view
profile
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
GB2782175A
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of GB1517571A publication Critical patent/GB1517571A/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
    • G01B11/24—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)

Abstract

1517571 Determining profile photoelectrically CENTRE DE RECHERCHES METALLURGIQUES - CENTRUM VOOR RESEARCH IN DE METALLURGIE 2 July 1975 [2 July 1974] 27821/75 Heading G1A Two rotating mirrors, 13, 19, Figs. 3a, 3b are used to synchronously scan a spot of light and the field of view of a detector or detectors across an object along a predetermined line to determine the object's profile; the co-ordinates of points on the object are determined from the angle of the mirrors and the position at which the beam reflected from the object strikes the detectors. Instead of the scanning spot, the object may be illuminated by a planar light beam, and the field of view of the detectors may be scanned along the intersection of that beam and the object. The planar beam may be spatially modulated. When a scanning spot is used, the detector field of view need not be scanned if the detector is a series of diodes associated with a cylindrical lens, or is a two dimensional array of diodes.
GB2782175A 1974-07-02 1975-07-02 Determining the profile of a surface of an object Expired GB1517571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE817191 1974-07-02

Publications (1)

Publication Number Publication Date
GB1517571A true GB1517571A (en) 1978-07-12

Family

ID=3861051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2782175A Expired GB1517571A (en) 1974-07-02 1975-07-02 Determining the profile of a surface of an object

Country Status (4)

Country Link
JP (1) JPS5126058A (en)
FR (1) FR2277326A1 (en)
GB (1) GB1517571A (en)
LU (1) LU72878A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2258041A (en) * 1991-07-20 1993-01-27 Longdin & Browning Dimensional measurement system
EP3929532A1 (en) * 2020-06-26 2021-12-29 Baumer Inspection GmbH Device for determining a height profile of an object

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447967A1 (en) * 1979-01-31 1980-08-29 Siderurgie Fse Inst Rech METHOD AND DEVICE FOR CONTINUOUSLY DETERMINING THE PROFILE OF LOADS IN A BLAST FURNACE
GB2083621B (en) * 1980-03-31 1984-03-28 Brames Ltd Method and apparatus for determining the shape of objects
US4456829A (en) * 1981-10-29 1984-06-26 K. J. Law Engineers, Inc. Non-contact sensor, system and method with particular utility for measurement of road profile

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB992760A (en) * 1962-11-26 1965-05-19 Cossor Ltd A C Measuring apparatus for determining the range of a surface from a base line
FR1406871A (en) * 1964-09-04 1965-07-23 Zd Y V I Narodni Podnik Method and device for photoelectric determination of body dimensions without contact with them
FR2139663B1 (en) * 1971-05-28 1973-05-25 France Etat
DE2256736C3 (en) * 1972-11-18 1979-01-25 Ibm Deutschland Gmbh, 7000 Stuttgart Measuring arrangement for the automatic testing of the surface quality and evenness of a workpiece surface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2258041A (en) * 1991-07-20 1993-01-27 Longdin & Browning Dimensional measurement system
EP3929532A1 (en) * 2020-06-26 2021-12-29 Baumer Inspection GmbH Device for determining a height profile of an object

Also Published As

Publication number Publication date
LU72878A1 (en) 1975-10-08
FR2277326B1 (en) 1979-08-24
FR2277326A1 (en) 1976-01-30
JPS5126058A (en) 1976-03-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee