AT368282B - OPTICAL LENGTH OR ANGLE MEASURING DEVICE - Google Patents

OPTICAL LENGTH OR ANGLE MEASURING DEVICE

Info

Publication number
AT368282B
AT368282B AT422976A AT422976A AT368282B AT 368282 B AT368282 B AT 368282B AT 422976 A AT422976 A AT 422976A AT 422976 A AT422976 A AT 422976A AT 368282 B AT368282 B AT 368282B
Authority
AT
Austria
Prior art keywords
measuring device
angle measuring
optical length
optical
length
Prior art date
Application number
AT422976A
Other languages
German (de)
Other versions
ATA422976A (en
Inventor
Kurt Feichtinger
Original Assignee
Heidenhain Gmbh Dr Johannes
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
Priority claimed from DE19752530163 external-priority patent/DE2530163A1/en
Priority claimed from DE19752540413 external-priority patent/DE2540413C3/en
Application filed by Heidenhain Gmbh Dr Johannes filed Critical Heidenhain Gmbh Dr Johannes
Publication of ATA422976A publication Critical patent/ATA422976A/en
Application granted granted Critical
Publication of AT368282B publication Critical patent/AT368282B/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
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/002—Details
    • 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B11/00—Indicating elements; Illumination thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AT422976A 1975-07-05 1976-06-10 OPTICAL LENGTH OR ANGLE MEASURING DEVICE AT368282B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752530163 DE2530163A1 (en) 1975-07-05 1975-07-05 Positioning optical measuring instrument - has grating illuminator and image optics for positioning or reading of relative position of two objects
DE19752540413 DE2540413C3 (en) 1975-09-11 1975-09-11 Optical measuring device

Publications (2)

Publication Number Publication Date
ATA422976A ATA422976A (en) 1982-01-15
AT368282B true AT368282B (en) 1982-09-27

Family

ID=25769118

Family Applications (1)

Application Number Title Priority Date Filing Date
AT422976A AT368282B (en) 1975-07-05 1976-06-10 OPTICAL LENGTH OR ANGLE MEASURING DEVICE

Country Status (5)

Country Link
JP (1) JPS528850A (en)
AT (1) AT368282B (en)
CH (1) CH600300A5 (en)
FR (1) FR2317633A1 (en)
GB (1) GB1549637A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2479445A1 (en) * 1980-03-25 1981-10-02 Soro Electro Optics Optical measuring system for cursor displacement - uses reflecting surfaces in prism to increase optical path length through gratings and light detectors for movement determination
CN108020166A (en) * 2017-03-13 2018-05-11 湖南科技大学 High-precision measuring rule based on optics micrometer principle

Also Published As

Publication number Publication date
FR2317633B1 (en) 1981-04-30
FR2317633A1 (en) 1977-02-04
JPS528850A (en) 1977-01-24
CH600300A5 (en) 1978-06-15
GB1549637A (en) 1979-08-08
JPS5627804B2 (en) 1981-06-27
ATA422976A (en) 1982-01-15

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