BE763122A - DEVICE FOR STUDYING SMALL GAPS BETWEEN AT LEAST TWO OBJECTS - Google Patents

DEVICE FOR STUDYING SMALL GAPS BETWEEN AT LEAST TWO OBJECTS

Info

Publication number
BE763122A
BE763122A BE763122A BE763122A BE763122A BE 763122 A BE763122 A BE 763122A BE 763122 A BE763122 A BE 763122A BE 763122 A BE763122 A BE 763122A BE 763122 A BE763122 A BE 763122A
Authority
BE
Belgium
Prior art keywords
objects
small gaps
studying small
studying
gaps
Prior art date
Application number
BE763122A
Other languages
French (fr)
Inventor
C Aplin
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 BE763122A publication Critical patent/BE763122A/en

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)
BE763122A 1970-03-04 1971-02-18 DEVICE FOR STUDYING SMALL GAPS BETWEEN AT LEAST TWO OBJECTS BE763122A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
BE763122A true BE763122A (en) 1971-08-18

Family

ID=26215594

Family Applications (1)

Application Number Title Priority Date Filing Date
BE763122A BE763122A (en) 1970-03-04 1971-02-18 DEVICE FOR STUDYING SMALL GAPS BETWEEN AT LEAST TWO OBJECTS

Country Status (7)

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

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
SE374201B (en) 1975-02-24
NL7102872A (en) 1971-09-07
GB1339348A (en) 1973-12-05
CA922561A (en) 1973-03-13
CH521567A (en) 1972-04-15
DE2110411A1 (en) 1971-09-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIE GENERALE ELECTRICITE

Effective date: 19850218