FR2100855B1 - - Google Patents

Info

Publication number
FR2100855B1
FR2100855B1 FR7124172A FR7124172A FR2100855B1 FR 2100855 B1 FR2100855 B1 FR 2100855B1 FR 7124172 A FR7124172 A FR 7124172A FR 7124172 A FR7124172 A FR 7124172A FR 2100855 B1 FR2100855 B1 FR 2100855B1
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.)
Expired
Application number
FR7124172A
Other languages
French (fr)
Other versions
FR2100855A1 (OSRAM
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of FR2100855A1 publication Critical patent/FR2100855A1/fr
Application granted granted Critical
Publication of FR2100855B1 publication Critical patent/FR2100855B1/fr
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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2441—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/60—Systems using moiré fringes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR7124172A 1970-07-02 1971-07-01 Expired FR2100855B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5729270 1970-07-02

Publications (2)

Publication Number Publication Date
FR2100855A1 FR2100855A1 (OSRAM) 1972-03-24
FR2100855B1 true FR2100855B1 (OSRAM) 1974-05-31

Family

ID=13051463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124172A Expired FR2100855B1 (OSRAM) 1970-07-02 1971-07-01

Country Status (3)

Country Link
DE (1) DE2132269A1 (OSRAM)
FR (1) FR2100855B1 (OSRAM)
GB (1) GB1357917A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439382A1 (fr) * 1978-10-19 1980-05-16 Experim Rech Etu Batim Centre Procede et dispositif pour mesurer les deformations d'un subjectile au moyen d'un reseau

Also Published As

Publication number Publication date
DE2132269A1 (de) 1972-01-13
GB1357917A (en) 1974-06-26
FR2100855A1 (OSRAM) 1972-03-24

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Legal Events

Date Code Title Description
ST Notification of lapse