FR2266899B1 - - Google Patents

Info

Publication number
FR2266899B1
FR2266899B1 FR7412045A FR7412045A FR2266899B1 FR 2266899 B1 FR2266899 B1 FR 2266899B1 FR 7412045 A FR7412045 A FR 7412045A FR 7412045 A FR7412045 A FR 7412045A FR 2266899 B1 FR2266899 B1 FR 2266899B1
Authority
FR
France
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
FR7412045A
Other languages
French (fr)
Other versions
FR2266899A1 (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.)
Compagnie Electro Mecanique SA
Original Assignee
Compagnie Electro Mecanique SA
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 Compagnie Electro Mecanique SA filed Critical Compagnie Electro Mecanique SA
Priority to FR7412045A priority Critical patent/FR2266899A1/fr
Priority to CH75575A priority patent/CH582891A5/xx
Priority to DE19752514671 priority patent/DE2514671A1/de
Publication of FR2266899A1 publication Critical patent/FR2266899A1/fr
Application granted granted Critical
Publication of FR2266899B1 publication Critical patent/FR2266899B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/60Systems using moiré fringes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/24Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25Measuring 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)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR7412045A 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 Granted FR2266899A1 (en)

Priority Applications (3)

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
CH75575A CH582891A5 (es) 1974-04-04 1975-01-22
DE19752514671 DE2514671A1 (de) 1974-04-04 1975-04-04 Raster zur projektion eines lichtmusters auf eine referenzebene und verfahren zur herstellung eines solchen rasters

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 (2)

Publication Number Publication Date
FR2266899A1 FR2266899A1 (en) 1975-10-31
FR2266899B1 true FR2266899B1 (es) 1976-10-08

Family

ID=9137321

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7412045A Granted 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

Country Status (3)

Country Link
CH (1) CH582891A5 (es)
DE (1) DE2514671A1 (es)
FR (1) FR2266899A1 (es)

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
CH582891A5 (es) 1976-12-15
DE2514671A1 (de) 1975-10-23

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Legal Events

Date Code Title Description
TP Transmission of property
GC Lien (pledge) constituted
TP Transmission of property
ST Notification of lapse