CH543728A - Device for determining the position of a point in a plane - Google Patents

Device for determining the position of a point in a plane

Info

Publication number
CH543728A
CH543728A CH811872A CH811872A CH543728A CH 543728 A CH543728 A CH 543728A CH 811872 A CH811872 A CH 811872A CH 811872 A CH811872 A CH 811872A CH 543728 A CH543728 A CH 543728A
Authority
CH
Switzerland
Prior art keywords
plane
determining
point
Prior art date
Application number
CH811872A
Other languages
German (de)
Inventor
Guy Kerr Andrew
Original Assignee
Ferranti Ltd
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 Ferranti Ltd filed Critical Ferranti Ltd
Publication of CH543728A publication Critical patent/CH543728A/en

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
    • G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
  • Transmission Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CH811872A 1971-06-01 1972-06-01 Device for determining the position of a point in a plane CH543728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1832571A GB1383744A (en) 1971-06-01 1971-06-01 Indicating devices

Publications (1)

Publication Number Publication Date
CH543728A true CH543728A (en) 1973-10-31

Family

ID=10110540

Family Applications (1)

Application Number Title Priority Date Filing Date
CH811872A CH543728A (en) 1971-06-01 1972-06-01 Device for determining the position of a point in a plane

Country Status (6)

Country Link
CH (1) CH543728A (en)
DE (1) DE2226578A1 (en)
FR (1) FR2141134A5 (en)
GB (1) GB1383744A (en)
IT (1) IT958190B (en)
NL (1) NL7207451A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957378A (en) * 1974-11-25 1976-05-18 The Bendix Corporation Two-axis moire fringe displacement transducer
SE425331B (en) * 1979-01-17 1982-09-20 Erling Nilsson DEVICE FOR DETECTING CIRCULAR RUBBING IN A PATIENT'S EXTREMITER BASED ON THE SKIN TEMPERATURE OF THE EXTREMITES
CN108519074A (en) * 2018-04-24 2018-09-11 中国海底电缆建设有限公司 A kind of dynamic adhesion formula dip measuring device and method
CN109764804A (en) * 2019-02-26 2019-05-17 江苏弘开传感科技有限公司 A kind of displacement sensor based on Fabry-Perot principle

Also Published As

Publication number Publication date
IT958190B (en) 1973-10-20
GB1383744A (en) 1974-02-12
NL7207451A (en) 1972-12-05
FR2141134A5 (en) 1973-01-19
DE2226578A1 (en) 1973-03-29

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Legal Events

Date Code Title Description
PL Patent ceased