CH488167A - Fotoelektrischer Schrittgeber für Vierphasen-Signale - Google Patents

Fotoelektrischer Schrittgeber für Vierphasen-Signale

Info

Publication number
CH488167A
CH488167A CH1556269A CH1556269A CH488167A CH 488167 A CH488167 A CH 488167A CH 1556269 A CH1556269 A CH 1556269A CH 1556269 A CH1556269 A CH 1556269A CH 488167 A CH488167 A CH 488167A
Authority
CH
Switzerland
Prior art keywords
phase signals
step generator
photoelectric
photoelectric step
generator
Prior art date
Application number
CH1556269A
Other languages
English (en)
Inventor
Lang Karl
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 CH488167A publication Critical patent/CH488167A/de

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH1556269A 1968-10-19 1969-10-17 Fotoelektrischer Schrittgeber für Vierphasen-Signale CH488167A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1804028A DE1804028C3 (de) 1968-10-19 1968-10-19 Ablesevorrichtung für Meßteilungen oder andere periodische Objekte

Publications (1)

Publication Number Publication Date
CH488167A true CH488167A (de) 1970-03-31

Family

ID=5710939

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1556269A CH488167A (de) 1968-10-19 1969-10-17 Fotoelektrischer Schrittgeber für Vierphasen-Signale

Country Status (5)

Country Link
US (1) US3573468A (de)
CH (1) CH488167A (de)
DE (1) DE1804028C3 (de)
FR (1) FR2021062A1 (de)
GB (1) GB1237040A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0419701A1 (de) * 1989-09-27 1991-04-03 Dr. Johannes Heidenhain GmbH Winkelmesseinrichtung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2163200C2 (de) * 1971-12-20 1983-06-09 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur berührungslosen Messung
GB8729246D0 (en) * 1987-12-15 1988-01-27 Renishaw Plc Opto-electronic scale-reading apparatus
DE3807011C1 (de) * 1988-03-04 1989-04-27 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut, De
CN109307936B (zh) * 2018-11-28 2020-11-20 湖北华中光电科技有限公司 一种加快天文定向器瞄准速度的辅助装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1548703B2 (de) * 1966-07-16 1971-04-15 Ernst Leitz Gmbh, 6330 Wetzlar Fotoelektrischer schrittgeber fuer vierphasen signale

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0419701A1 (de) * 1989-09-27 1991-04-03 Dr. Johannes Heidenhain GmbH Winkelmesseinrichtung

Also Published As

Publication number Publication date
FR2021062A1 (de) 1970-07-17
US3573468A (en) 1971-04-06
DE1804028B2 (de) 1974-09-19
DE1804028A1 (de) 1970-05-21
DE1804028C3 (de) 1975-04-30
GB1237040A (en) 1971-06-30

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Legal Events

Date Code Title Description
PL Patent ceased