FR989686A - Optical system and method for verifying alignments - Google Patents

Optical system and method for verifying alignments

Info

Publication number
FR989686A
FR989686A FR989686DA FR989686A FR 989686 A FR989686 A FR 989686A FR 989686D A FR989686D A FR 989686DA FR 989686 A FR989686 A FR 989686A
Authority
FR
France
Prior art keywords
alignments
verifying
optical system
optical
verifying alignments
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Jean Terrien
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.)
Optique et Precision de Levallois SA
Original Assignee
Optique et Precision de Levallois 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 Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA
Application granted granted Critical
Publication of FR989686A publication Critical patent/FR989686A/en
Expired 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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
FR989686D 1944-02-28 1944-02-28 Optical system and method for verifying alignments Expired FR989686A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989686T 1944-02-28

Publications (1)

Publication Number Publication Date
FR989686A true FR989686A (en) 1951-09-12

Family

ID=9540391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989686D Expired FR989686A (en) 1944-02-28 1944-02-28 Optical system and method for verifying alignments

Country Status (1)

Country Link
FR (1) FR989686A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701501A (en) * 1951-06-06 1955-02-08 Cuny Bernard Eugene Adri Marie Apparatus for testing of centering, coaxiality, alignment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2701501A (en) * 1951-06-06 1955-02-08 Cuny Bernard Eugene Adri Marie Apparatus for testing of centering, coaxiality, alignment

Similar Documents

Publication Publication Date Title
FR919725A (en) Method and apparatus for the manufacture of glass fibers
CH263909A (en) Process for preparing an optical glass with fluorides and glass obtained by this process.
CH273522A (en) A method for correcting an optical aberration in an electronic optic apparatus and an electronic optic apparatus for carrying out said method.
FR989686A (en) Optical system and method for verifying alignments
FR994001A (en) Method and device for identifying damaged devices
FR900090A (en) Additional optical system for microscope
FR1159286A (en) Optical system
FR1089520A (en) Reflection optical system for microscope
FR902470A (en) Intermediate-image electronic optical system for ultra-electrostatic microscopes
FR919139A (en) Optical device
FR1150483A (en) Variable focal length optical system
FR1015105A (en) Method and device for measuring the distance between optical centers of two or more lenses of optical systems
FR918472A (en) Optical tracking alignment method and apparatus, in particular for automobile wheels
FR922627A (en) Method and device for roughening spherical or other lenses
FR992938A (en) Apparatus and method for measuring pressures
FR909249A (en) Support method and device
FR944714A (en) Optical system
FR902646A (en) Guidance method and apparatus
FR56271E (en) Multifocal lens for eyewear
FR936816A (en) Optical system
FR991151A (en) Optical system to increase the precision of plotting, photographs and projections of profiles
FR1088334A (en) Optical detection method and device
FR906729A (en) Guide jaw system
FR1156830A (en) Variable power prism optical system
FR914809A (en) Frame for portable optical measuring instruments