FR2043551A1 - - Google Patents

Info

Publication number
FR2043551A1
FR2043551A1 FR7018147A FR7018147A FR2043551A1 FR 2043551 A1 FR2043551 A1 FR 2043551A1 FR 7018147 A FR7018147 A FR 7018147A FR 7018147 A FR7018147 A FR 7018147A FR 2043551 A1 FR2043551 A1 FR 2043551A1
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.)
Withdrawn
Application number
FR7018147A
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
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 Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of FR2043551A1 publication Critical patent/FR2043551A1/fr
Withdrawn legal-status Critical Current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
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR7018147A 1969-05-20 1970-05-19 Withdrawn FR2043551A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1925587A DE1925587C3 (de) 1969-05-20 1969-05-20 Optisches Verfahren zum berührungslosen Bestimmen der Dicke oder des Durchmessers von Ggenständen sehr kleiner Abmessungen

Publications (1)

Publication Number Publication Date
FR2043551A1 true FR2043551A1 (fr) 1971-02-19

Family

ID=5734630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7018147A Withdrawn FR2043551A1 (fr) 1969-05-20 1970-05-19

Country Status (5)

Country Link
US (1) US3719425A (fr)
CH (1) CH506048A (fr)
DE (1) DE1925587C3 (fr)
FR (1) FR2043551A1 (fr)
GB (1) GB1246426A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004946A1 (fr) * 1987-11-26 1989-06-01 Fardeau Jean Francois Procede de mesure de diametres de fils ou de profils ou pieces circulaires par diffraction de rayons lumineux et dispositif pour la mise en oeuvre de ce procede

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037968A (en) * 1975-12-22 1977-07-26 Monsanto Company Method and apparatus for measuring a dimension of an object in a defined space by scanning with a light beam
US4500792A (en) * 1982-07-02 1985-02-19 Zellweger Uster Ltd. Apparatus for controlling the titer of synthetic fiber tows
DD241643A1 (de) * 1985-10-09 1986-12-17 Narva Rosa Luxemburg K Messverfahren und vorrichtung zur beruehrungslosen durchmesserbestimmung duenner draehte
CH668483A5 (de) * 1985-12-17 1988-12-30 Zellweger Uster Ag Verfahren und vorrichtung zur bestimmung der oberflaechenstruktur eines langgestreckten pruefkoerpers, insbesondere zur messung der haarigkeit eines garnes.
US5176731A (en) * 1987-06-10 1993-01-05 U.S. Philips Corp. Device for performing measurements on a transparent object, method of manufacturing a fiber and fiber manufactured by means of said method
US5237389A (en) * 1990-01-31 1993-08-17 Fraunhofer Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Device for measuring the positions and diameters of the filaments in a filament bundle
CA2116874A1 (fr) * 1991-09-06 1993-03-18 Christopher Joseph Cantrall Procedes et dispositifs optiques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004946A1 (fr) * 1987-11-26 1989-06-01 Fardeau Jean Francois Procede de mesure de diametres de fils ou de profils ou pieces circulaires par diffraction de rayons lumineux et dispositif pour la mise en oeuvre de ce procede
FR2623899A1 (fr) * 1987-11-26 1989-06-02 Fardeau Jean Francois Procede de mesure de diametres de fils ou de profils ou pieces circulaires par diffraction de rayons lumineux et dispositif pour la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
GB1246426A (en) 1971-09-15
DE1925587A1 (de) 1971-06-09
CH506048A (de) 1971-04-15
DE1925587C3 (de) 1974-02-21
DE1925587B2 (de) 1973-07-26
US3719425A (en) 1973-03-06

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Legal Events

Date Code Title Description
ST Notification of lapse