CA922561A - Dispositif d'etude des petits ecarts entre au moins deux objets - Google Patents

Dispositif d'etude des petits ecarts entre au moins deux objets

Info

Publication number
CA922561A
CA922561A CA106840A CA106840A CA922561A CA 922561 A CA922561 A CA 922561A CA 106840 A CA106840 A CA 106840A CA 106840 A CA106840 A CA 106840A CA 922561 A CA922561 A CA 922561A
Authority
CA
Canada
Prior art keywords
ecarts
dispositif
entre
moins deux
des petits
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
CA106840A
Other languages
English (en)
Other versions
CA106840S (en
Inventor
Aplin Charles
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite 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
Priority claimed from FR7007771A external-priority patent/FR2082133A5/fr
Priority claimed from FR7023871A external-priority patent/FR2094628A6/fr
Application filed by Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of CA922561A publication Critical patent/CA922561A/en
Expired legal-status Critical Current

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)
CA106840A 1970-03-04 1971-03-03 Dispositif d'etude des petits ecarts entre au moins deux objets Expired CA922561A (en)

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
CA922561A true CA922561A (en) 1973-03-13

Family

ID=26215594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA106840A Expired CA922561A (en) 1970-03-04 1971-03-03 Dispositif d'etude des petits ecarts entre au moins 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
GB1339348A (en) 1973-12-05
DE2110411A1 (de) 1971-09-16
CH521567A (fr) 1972-04-15
BE763122A (fr) 1971-08-18
NL7102872A (fr) 1971-09-07
SE374201B (fr) 1975-02-24

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