CH403315A - Reading device for graduations - Google Patents

Reading device for graduations

Info

Publication number
CH403315A
CH403315A CH178061A CH178061A CH403315A CH 403315 A CH403315 A CH 403315A CH 178061 A CH178061 A CH 178061A CH 178061 A CH178061 A CH 178061A CH 403315 A CH403315 A CH 403315A
Authority
CH
Switzerland
Prior art keywords
graduations
reading device
reading
Prior art date
Application number
CH178061A
Other languages
German (de)
Inventor
Hock Fromung
Original Assignee
Leitz Ernst Gmbh
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 Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh
Publication of CH403315A publication Critical patent/CH403315A/en

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
    • G01D7/00—Indicating measured values
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G01C1/02—Theodolites
    • G01C1/06—Arrangements for reading scales
    • 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
    • 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
    • G01D7/00—Indicating measured values
    • G01D7/02—Indicating value of two or more variables simultaneously
    • G01D7/04—Indicating value of two or more variables simultaneously using a separate indicating element for each variable
    • G01D7/06—Luminous indications projected on a common screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH178061A 1960-03-26 1961-02-14 Reading device for graduations CH403315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL35751A DE1099182B (en) 1960-03-26 1960-03-26 Reading device for graduations and other periodic objects

Publications (1)

Publication Number Publication Date
CH403315A true CH403315A (en) 1965-11-30

Family

ID=7267209

Family Applications (1)

Application Number Title Priority Date Filing Date
CH178061A CH403315A (en) 1960-03-26 1961-02-14 Reading device for graduations

Country Status (2)

Country Link
CH (1) CH403315A (en)
DE (1) DE1099182B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1473011B1 (en) * 1964-04-23 1970-05-14 Zeiss Carl Fa Device for determining the position of a line mark
DE2102027C2 (en) * 1971-01-16 1982-12-30 Ibm Deutschland Gmbh, 7000 Stuttgart Process for the optical detection of the position of boundary lines and facilities for carrying out the process

Also Published As

Publication number Publication date
DE1099182B (en) 1961-02-09

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