FR2221711B1 - - Google Patents

Info

Publication number
FR2221711B1
FR2221711B1 FR7309103A FR7309103A FR2221711B1 FR 2221711 B1 FR2221711 B1 FR 2221711B1 FR 7309103 A FR7309103 A FR 7309103A FR 7309103 A FR7309103 A FR 7309103A FR 2221711 B1 FR2221711 B1 FR 2221711B1
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
FR7309103A
Other versions
FR2221711A1 (fr
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 FR7309103A priority Critical patent/FR2221711B1/fr
Priority to DE19742407562 priority patent/DE2407562A1/de
Priority to CH340774A priority patent/CH567244A5/xx
Publication of FR2221711A1 publication Critical patent/FR2221711A1/fr
Application granted granted Critical
Publication of FR2221711B1 publication Critical patent/FR2221711B1/fr
Expired legal-status Critical Current

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
    • G02B27/48—Laser speckle optics
    • 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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7309103A 1973-03-14 1973-03-14 Expired FR2221711B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7309103A FR2221711B1 (fr) 1973-03-14 1973-03-14
DE19742407562 DE2407562A1 (de) 1973-03-14 1974-02-16 Verfahren und einrichtung zur globalen untersuchung von oberflaechen
CH340774A CH567244A5 (fr) 1973-03-14 1974-03-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7309103A FR2221711B1 (fr) 1973-03-14 1973-03-14

Publications (2)

Publication Number Publication Date
FR2221711A1 FR2221711A1 (fr) 1974-10-11
FR2221711B1 true FR2221711B1 (fr) 1975-08-22

Family

ID=9116289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7309103A Expired FR2221711B1 (fr) 1973-03-14 1973-03-14

Country Status (3)

Country Link
CH (1) CH567244A5 (fr)
DE (1) DE2407562A1 (fr)
FR (1) FR2221711B1 (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469921A (en) * 1966-05-25 1969-09-30 Gulf Research Development Co Apparatus for the size distribution of an aggregation

Also Published As

Publication number Publication date
FR2221711A1 (fr) 1974-10-11
CH567244A5 (fr) 1975-09-30
DE2407562A1 (de) 1974-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse