CH567242A5 - - Google Patents

Info

Publication number
CH567242A5
CH567242A5 CH140174A CH140174A CH567242A5 CH 567242 A5 CH567242 A5 CH 567242A5 CH 140174 A CH140174 A CH 140174A CH 140174 A CH140174 A CH 140174A CH 567242 A5 CH567242 A5 CH 567242A5
Authority
CH
Switzerland
Application number
CH140174A
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CH567242A5 publication Critical patent/CH567242A5/xx

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
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
    • 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
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • 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
    • G01D5/341—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 controlling the movement of a following part

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CH140174A 1973-02-02 1974-02-01 CH567242A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7303758A FR2216556B2 (fr) 1973-02-02 1973-02-02

Publications (1)

Publication Number Publication Date
CH567242A5 true CH567242A5 (fr) 1975-09-30

Family

ID=9114244

Family Applications (1)

Application Number Title Priority Date Filing Date
CH140174A CH567242A5 (fr) 1973-02-02 1974-02-01

Country Status (3)

Country Link
CH (1) CH567242A5 (fr)
DE (2) DE7401468U (fr)
FR (1) FR2216556B2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097158A (en) * 1977-01-06 1978-06-27 Systems Research Laboratories, Inc. Half-maximum threshold circuit for optical micrometer
US4518257A (en) * 1982-07-28 1985-05-21 General Electric Company Optical inspection system and method
CH652333A5 (fr) * 1983-02-11 1985-11-15 Vevey Atel Const Mec Appareil optique pour la detection de l'emplacement d'une ligne de reference.
DE3824820A1 (de) * 1988-07-21 1990-01-25 Gebhard Birkle Geraet zum beruehrungslosen optischen bestimmen von geometrischen abmessungen eines objektes
WO1996023199A1 (fr) * 1995-01-25 1996-08-01 Industrial Innovation And Development Limited Procede et appareil pour la detection d'un objet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB780089A (en) * 1955-01-26 1957-07-31 Marconi Wireless Telegraph Co Improvements in or relating to measuring instruments and gauges
FR2088675A5 (fr) * 1970-04-21 1972-01-07 Thomson Csf
FR2087630A5 (fr) * 1970-05-26 1971-12-31 Cilas

Also Published As

Publication number Publication date
DE2402059A1 (de) 1974-08-15
FR2216556B2 (fr) 1977-08-26
DE7401468U (de) 1976-07-22
FR2216556A2 (fr) 1974-08-30

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Legal Events

Date Code Title Description
PL Patent ceased