GB8331100D0 - Optical comparator - Google Patents

Optical comparator

Info

Publication number
GB8331100D0
GB8331100D0 GB838331100A GB8331100A GB8331100D0 GB 8331100 D0 GB8331100 D0 GB 8331100D0 GB 838331100 A GB838331100 A GB 838331100A GB 8331100 A GB8331100 A GB 8331100A GB 8331100 D0 GB8331100 D0 GB 8331100D0
Authority
GB
United Kingdom
Prior art keywords
optical comparator
comparator
optical
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.)
Withdrawn
Application number
GB838331100A
Other versions
GB2133173A (en
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB8331100D0 publication Critical patent/GB8331100D0/en
Publication of GB2133173A publication Critical patent/GB2133173A/en
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB08331100A 1982-12-28 1983-11-22 Rotatable optical projection comparator Withdrawn GB2133173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45398682A 1982-12-28 1982-12-28

Publications (2)

Publication Number Publication Date
GB8331100D0 true GB8331100D0 (en) 1983-12-29
GB2133173A GB2133173A (en) 1984-07-18

Family

ID=23802840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08331100A Withdrawn GB2133173A (en) 1982-12-28 1983-11-22 Rotatable optical projection comparator

Country Status (5)

Country Link
JP (1) JPS59160706A (en)
DE (1) DE3346325A1 (en)
FR (1) FR2538538A1 (en)
GB (1) GB2133173A (en)
IT (1) IT8324211A0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814808B1 (en) 2000-10-02 2002-12-20 Essilor Int PROCESS FOR OPTICALLY READING THE SHAPE OF A PROFILE AND APPLICATION TO THE SURVEY OF THE INNER EDGE OF A GLASSES MOUNTING CIRCLE.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB613958A (en) * 1946-05-08 1948-12-07 Frederick William Mosey Improvements in and connected with grinding or lapping gears, and the like
GB650092A (en) * 1947-03-03 1951-02-14 Joseph Lambert Jameson Improvements in optical comparator apparatus
FR1054238A (en) * 1950-12-18 1954-02-09 Power Jets Improvements in optical examination devices and procedures
GB1171456A (en) * 1965-12-29 1969-11-19 Textron Inc Projection Apparatus and Method for Internal Contour Inspection

Also Published As

Publication number Publication date
GB2133173A (en) 1984-07-18
DE3346325A1 (en) 1984-06-28
FR2538538A1 (en) 1984-06-29
IT8324211A0 (en) 1983-12-16
JPS59160706A (en) 1984-09-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)