FR2317633A1 - OPTICAL MEASURING DEVICE FOR THE POSITIONING OR READING OF THE RELATIVE POSITION OF TWO OBJECTS - Google Patents

OPTICAL MEASURING DEVICE FOR THE POSITIONING OR READING OF THE RELATIVE POSITION OF TWO OBJECTS

Info

Publication number
FR2317633A1
FR2317633A1 FR7620377A FR7620377A FR2317633A1 FR 2317633 A1 FR2317633 A1 FR 2317633A1 FR 7620377 A FR7620377 A FR 7620377A FR 7620377 A FR7620377 A FR 7620377A FR 2317633 A1 FR2317633 A1 FR 2317633A1
Authority
FR
France
Prior art keywords
reading
objects
positioning
measuring device
relative position
Prior art date
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.)
Granted
Application number
FR7620377A
Other languages
French (fr)
Other versions
FR2317633B1 (en
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.)
Dr Johannes Heidenhain GmbH
Original Assignee
Dr Johannes Heidenhain 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
Priority claimed from DE19752530163 external-priority patent/DE2530163A1/en
Priority claimed from DE19752540413 external-priority patent/DE2540413C3/en
Application filed by Dr Johannes Heidenhain GmbH filed Critical Dr Johannes Heidenhain GmbH
Publication of FR2317633A1 publication Critical patent/FR2317633A1/en
Application granted granted Critical
Publication of FR2317633B1 publication Critical patent/FR2317633B1/fr
Granted 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
    • 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)
FR7620377A 1975-07-05 1976-07-02 OPTICAL MEASURING DEVICE FOR THE POSITIONING OR READING OF THE RELATIVE POSITION OF TWO OBJECTS Granted FR2317633A1 (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
FR2317633A1 true FR2317633A1 (en) 1977-02-04
FR2317633B1 FR2317633B1 (en) 1981-04-30

Family

ID=25769118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7620377A Granted FR2317633A1 (en) 1975-07-05 1976-07-02 OPTICAL MEASURING DEVICE FOR THE POSITIONING OR READING OF THE RELATIVE POSITION OF TWO OBJECTS

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)

Cited By (1)

* 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108020166A (en) * 2017-03-13 2018-05-11 湖南科技大学 High-precision measuring rule based on optics micrometer principle

Cited By (1)

* 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

Also Published As

Publication number Publication date
CH600300A5 (en) 1978-06-15
GB1549637A (en) 1979-08-08
FR2317633B1 (en) 1981-04-30
JPS5627804B2 (en) 1981-06-27
AT368282B (en) 1982-09-27
JPS528850A (en) 1977-01-24
ATA422976A (en) 1982-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse