FR2141134A5 - - Google Patents

Info

Publication number
FR2141134A5
FR2141134A5 FR7219692A FR7219692A FR2141134A5 FR 2141134 A5 FR2141134 A5 FR 2141134A5 FR 7219692 A FR7219692 A FR 7219692A FR 7219692 A FR7219692 A FR 7219692A FR 2141134 A5 FR2141134 A5 FR 2141134A5
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
FR7219692A
Other languages
French (fr)
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 PLC filed Critical Ferranti PLC
Application granted granted Critical
Publication of FR2141134A5 publication Critical patent/FR2141134A5/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
    • G01B11/002—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)
FR7219692A 1971-06-01 1972-06-01 Expired FR2141134A5 (xx)

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
FR2141134A5 true FR2141134A5 (xx) 1973-01-19

Family

ID=10110540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7219692A Expired FR2141134A5 (xx) 1971-06-01 1972-06-01

Country Status (6)

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

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 (sv) * 1979-01-17 1982-09-20 Erling Nilsson Anordning for detektering av cirkulationsrubbningar i en patients extremiter pa grundval av extremiteternas hudtemperatur
CN108519074A (zh) * 2018-04-24 2018-09-11 中国海底电缆建设有限公司 一种动态贴合式倾角测量装置及方法
CN109764804A (zh) * 2019-02-26 2019-05-17 江苏弘开传感科技有限公司 一种基于法布里-珀罗原理的位移传感器

Also Published As

Publication number Publication date
NL7207451A (xx) 1972-12-05
CH543728A (de) 1973-10-31
IT958190B (it) 1973-10-20
DE2226578A1 (de) 1973-03-29
GB1383744A (en) 1974-02-12

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Legal Events

Date Code Title Description
ST Notification of lapse