FR2052729A5 - - Google Patents

Info

Publication number
FR2052729A5
FR2052729A5 FR7022309A FR7022309A FR2052729A5 FR 2052729 A5 FR2052729 A5 FR 2052729A5 FR 7022309 A FR7022309 A FR 7022309A FR 7022309 A FR7022309 A FR 7022309A FR 2052729 A5 FR2052729 A5 FR 2052729A5
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
FR7022309A
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.)
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
Application filed by Dr Johannes Heidenhain GmbH filed Critical Dr Johannes Heidenhain GmbH
Application granted granted Critical
Publication of FR2052729A5 publication Critical patent/FR2052729A5/fr
Expired legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR7022309A 1969-06-19 1970-06-17 Expired FR2052729A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691930976 DE1930976B2 (de) 1969-06-19 1969-06-19 Anordnung zum erzeugen einer signalkurve zur laengen oder winkelmessung

Publications (1)

Publication Number Publication Date
FR2052729A5 true FR2052729A5 (enrdf_load_stackoverflow) 1971-04-09

Family

ID=5737365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7022309A Expired FR2052729A5 (enrdf_load_stackoverflow) 1969-06-19 1970-06-17

Country Status (4)

Country Link
CH (1) CH511422A (enrdf_load_stackoverflow)
DE (1) DE1930976B2 (enrdf_load_stackoverflow)
FR (1) FR2052729A5 (enrdf_load_stackoverflow)
GB (1) GB1319531A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010998A1 (fr) * 1978-09-19 1980-05-14 Thomson-Csf Procédé d'alignement optique de motifs dans deux plans rapprochés et dispositif d'alignement mettant en oeuvre un tel procédé

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE379241B (enrdf_load_stackoverflow) * 1974-01-15 1975-09-29 Aga Ab
SE8103773L (sv) * 1981-06-16 1982-12-17 Asea Ab Optisk digitizer/legesmetare
GB8322886D0 (en) * 1983-08-25 1983-09-28 Lucas Ind Plc Transducer means
US4950891A (en) * 1987-09-30 1990-08-21 Kabushiki Kaisha Okuma Tekkosho High resolution optical encoder having a long detection stroke
DE4436784B4 (de) * 1993-10-26 2005-08-18 Carl Zeiss Absolutes Positionsmeßsystem
ATE497148T1 (de) † 2007-08-31 2011-02-15 Pepperl & Fuchs Induktiver weggeber, kodiereinrichtung und verfahren zum bestimmen einer postion eines ersten objekts relativ zu einem zweiten objekt
DE102008055680A1 (de) 2008-10-28 2010-04-29 Balluff Gmbh Positons-/Wegmesssystem mit kodiertem Maßkörper
DE102009016663A1 (de) * 2009-03-31 2010-10-07 Balluff Gmbh Positions-/Wegmesssystem
DE102011053309A1 (de) 2011-09-06 2013-03-07 Balluff Gmbh Positions-/Wegmesssystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010998A1 (fr) * 1978-09-19 1980-05-14 Thomson-Csf Procédé d'alignement optique de motifs dans deux plans rapprochés et dispositif d'alignement mettant en oeuvre un tel procédé
US4311389A (en) 1978-09-19 1982-01-19 Thomson-Csf Method for the optical alignment of designs in two near planes and alignment apparatus for performing this method

Also Published As

Publication number Publication date
DE1930976B2 (de) 1972-01-05
DE1930976A1 (de) 1970-12-23
GB1319531A (en) 1973-06-06
CH511422A (de) 1971-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse