CH582891A5 - - Google Patents

Info

Publication number
CH582891A5
CH582891A5 CH75575A CH75575A CH582891A5 CH 582891 A5 CH582891 A5 CH 582891A5 CH 75575 A CH75575 A CH 75575A CH 75575 A CH75575 A CH 75575A CH 582891 A5 CH582891 A5 CH 582891A5
Authority
CH
Switzerland
Application number
CH75575A
Original Assignee
Cem Comp Electro Mec
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 Cem Comp Electro Mec filed Critical Cem Comp Electro Mec
Publication of CH582891A5 publication Critical patent/CH582891A5/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/60—Systems using moiré fringes
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
CH75575A 1974-04-04 1975-01-22 CH582891A5 (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412045A FR2266899A1 (en) 1974-04-04 1974-04-04 Parallel strip grid for light pattern projection - projected on plane inclined at other than ninety deg. to optical axis

Publications (1)

Publication Number Publication Date
CH582891A5 true CH582891A5 (en, 2012) 1976-12-15

Family

ID=9137321

Family Applications (1)

Application Number Title Priority Date Filing Date
CH75575A CH582891A5 (en, 2012) 1974-04-04 1975-01-22

Country Status (3)

Country Link
CH (1) CH582891A5 (en, 2012)
DE (1) DE2514671A1 (en, 2012)
FR (1) FR2266899A1 (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076426A (en) 1976-06-29 1978-02-28 Rca Corporation Method for inspecting cathode-ray-tube window for objectionable cord

Also Published As

Publication number Publication date
FR2266899A1 (en) 1975-10-31
DE2514671A1 (de) 1975-10-23
FR2266899B1 (en, 2012) 1976-10-08

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased