CH669846A5 - - Google Patents

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Publication number
CH669846A5
CH669846A5 CH273785A CH273785A CH669846A5 CH 669846 A5 CH669846 A5 CH 669846A5 CH 273785 A CH273785 A CH 273785A CH 273785 A CH273785 A CH 273785A CH 669846 A5 CH669846 A5 CH 669846A5
Authority
CH
Switzerland
Prior art keywords
scale
measuring scale
wave
interference
beam splitter
Prior art date
Application number
CH273785A
Other languages
German (de)
English (en)
Inventor
Rene Prof Dr Daendliker
Jean-Francois Dr Willemin
Original Assignee
Agie Ag Ind Elektronik
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 Agie Ag Ind Elektronik filed Critical Agie Ag Ind Elektronik
Publication of CH669846A5 publication Critical patent/CH669846A5/de

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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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
CH273785A 1985-02-07 1985-06-26 CH669846A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853504194 DE3504194A1 (de) 1985-02-07 1985-02-07 Verfahren und vorrichtung zur messung von verschiebungen bei der einstellung und steuerung von werkzeugmaschinen

Publications (1)

Publication Number Publication Date
CH669846A5 true CH669846A5 (enrdf_load_stackoverflow) 1989-04-14

Family

ID=6261935

Family Applications (1)

Application Number Title Priority Date Filing Date
CH273785A CH669846A5 (enrdf_load_stackoverflow) 1985-02-07 1985-06-26

Country Status (2)

Country Link
CH (1) CH669846A5 (enrdf_load_stackoverflow)
DE (1) DE3504194A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62172203A (ja) * 1986-01-27 1987-07-29 Agency Of Ind Science & Technol 相対変位測定方法
FR2615281B1 (fr) * 1987-05-11 1996-08-23 Canon Kk Dispositif de mesure d'une distance en mouvement relatif de deux objets mobiles l'un par rapport a l'autre
WO1990009559A1 (en) * 1989-02-15 1990-08-23 Josef Zybert Position determination method and apparatus
US6154278A (en) * 1993-06-10 2000-11-28 Matsushita Electric Industrial Co., Ltd. Optical encoder for optically measuring displacement of moving body
DE4420276C2 (de) * 1993-06-10 2001-04-19 Matsushita Electric Ind Co Ltd Apparat zur Versatzmessung von bewegten Körpern
EP1799398B1 (en) 2004-09-08 2009-03-25 Renishaw plc Detection device and method
GB0625387D0 (en) 2006-12-21 2007-01-31 Renishaw Plc Object detector and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL105392B1 (pl) * 1974-12-30 1979-10-31 Urzadzenie do bezposredniego,cyfrowego pomiaru przemieszczen liniowych i katowych
GB1564781A (en) * 1977-02-02 1980-04-16 Marconi Co Ltd Distance measuring devices

Also Published As

Publication number Publication date
DE3504194A1 (de) 1986-06-12

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PL Patent ceased
PL Patent ceased