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FR1136316A - Method and apparatus for measuring linear displacements - Google Patents

Method and apparatus for measuring linear displacements

Info

Publication number
FR1136316A
FR1136316A FR1136316DA FR1136316A FR 1136316 A FR1136316 A FR 1136316A FR 1136316D A FR1136316D A FR 1136316DA FR 1136316 A FR1136316 A FR 1136316A
Authority
FR
France
Prior art keywords
linear displacements
measuring linear
measuring
displacements
linear
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
Leif Eric De Neergaard
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 filed Critical
Application granted granted Critical
Publication of FR1136316A publication Critical patent/FR1136316A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/363—Direction discrimination

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1136316D 1955-08-10 1955-08-10 Method and apparatus for measuring linear displacements Expired FR1136316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1136316T 1955-08-10

Publications (1)

Publication Number Publication Date
FR1136316A true FR1136316A (en) 1957-05-13

Family

ID=9640185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1136316D Expired FR1136316A (en) 1955-08-10 1955-08-10 Method and apparatus for measuring linear displacements

Country Status (1)

Country Link
FR (1) FR1136316A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158275B (en) * 1957-07-19 1963-11-28 Gauthier Gmbh A Method and device for the objective measurement of the shape and size of workpieces
DE1177353B (en) * 1958-06-11 1964-09-03 Ferranti Ltd Arrangement for determining the changes in position of a moving object, for example the moving part of a machine tool in relation to a reference system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158275B (en) * 1957-07-19 1963-11-28 Gauthier Gmbh A Method and device for the objective measurement of the shape and size of workpieces
DE1177353B (en) * 1958-06-11 1964-09-03 Ferranti Ltd Arrangement for determining the changes in position of a moving object, for example the moving part of a machine tool in relation to a reference system

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