CH521567A - Dispositif permettant l'étude de petits écarts entre des éléments de faibles dimensions appartenant respectivement à deux objets - Google Patents

Dispositif permettant l'étude de petits écarts entre des éléments de faibles dimensions appartenant respectivement à deux objets

Info

Publication number
CH521567A
CH521567A CH265271A CH265271A CH521567A CH 521567 A CH521567 A CH 521567A CH 265271 A CH265271 A CH 265271A CH 265271 A CH265271 A CH 265271A CH 521567 A CH521567 A CH 521567A
Authority
CH
Switzerland
Prior art keywords
small
study
objects
elements
device allowing
Prior art date
Application number
CH265271A
Other languages
English (en)
Inventor
Aplin Charles
Original Assignee
Comp Generale Electricite
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
Priority claimed from FR7007771A external-priority patent/FR2082133A5/fr
Priority claimed from FR7023871A external-priority patent/FR2094628A6/fr
Application filed by Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of CH521567A publication Critical patent/CH521567A/fr

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/021—Interferometers using holographic techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CH265271A 1970-03-04 1971-02-24 Dispositif permettant l'étude de petits écarts entre des éléments de faibles dimensions appartenant respectivement à deux objets CH521567A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7007771A FR2082133A5 (fr) 1970-03-04 1970-03-04
FR7023871A FR2094628A6 (fr) 1970-06-26 1970-06-26

Publications (1)

Publication Number Publication Date
CH521567A true CH521567A (fr) 1972-04-15

Family

ID=26215594

Family Applications (1)

Application Number Title Priority Date Filing Date
CH265271A CH521567A (fr) 1970-03-04 1971-02-24 Dispositif permettant l'étude de petits écarts entre des éléments de faibles dimensions appartenant respectivement à deux objets

Country Status (7)

Country Link
BE (1) BE763122A (fr)
CA (1) CA922561A (fr)
CH (1) CH521567A (fr)
DE (1) DE2110411A1 (fr)
GB (1) GB1339348A (fr)
NL (1) NL7102872A (fr)
SE (1) SE374201B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194353B (en) * 1986-08-04 1990-02-21 Hugle William Bell The method of and apparatus for the holographic positional detection of objects
GB8703228D0 (en) * 1987-02-12 1987-03-18 Hugle W B Positional detection of objects

Also Published As

Publication number Publication date
BE763122A (fr) 1971-08-18
GB1339348A (en) 1973-12-05
SE374201B (fr) 1975-02-24
NL7102872A (fr) 1971-09-07
DE2110411A1 (de) 1971-09-16
CA922561A (en) 1973-03-13

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Legal Events

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