ES2024325A6 - Displacement metering optical coder - Google Patents

Displacement metering optical coder

Info

Publication number
ES2024325A6
ES2024325A6 ES9002607A ES9002607A ES2024325A6 ES 2024325 A6 ES2024325 A6 ES 2024325A6 ES 9002607 A ES9002607 A ES 9002607A ES 9002607 A ES9002607 A ES 9002607A ES 2024325 A6 ES2024325 A6 ES 2024325A6
Authority
ES
Spain
Prior art keywords
displacement metering
optical coder
metering optical
coder
displacement
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.)
Expired - Lifetime
Application number
ES9002607A
Other languages
Spanish (es)
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.)
Fagor Electrodomesticos SCL
Original Assignee
Fagor Electrodomesticos SCL
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 Fagor Electrodomesticos SCL filed Critical Fagor Electrodomesticos SCL
Priority to ES9002607A priority Critical patent/ES2024325A6/en
Priority to DE19914132291 priority patent/DE4132291A1/en
Publication of ES2024325A6 publication Critical patent/ES2024325A6/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

Displacement metering optical coder has laser-based light polarisationmodulator with beam diffractor
ES9002607A 1990-10-16 1990-10-16 Displacement metering optical coder Expired - Lifetime ES2024325A6 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES9002607A ES2024325A6 (en) 1990-10-16 1990-10-16 Displacement metering optical coder
DE19914132291 DE4132291A1 (en) 1990-10-16 1991-09-27 Displacement metering optical coder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9002607A ES2024325A6 (en) 1990-10-16 1990-10-16 Displacement metering optical coder

Publications (1)

Publication Number Publication Date
ES2024325A6 true ES2024325A6 (en) 1992-02-16

Family

ID=8269179

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9002607A Expired - Lifetime ES2024325A6 (en) 1990-10-16 1990-10-16 Displacement metering optical coder

Country Status (2)

Country Link
DE (1) DE4132291A1 (en)
ES (1) ES2024325A6 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2077520A2 (en) * 1993-11-08 1995-11-16 Fagor S Coop Ltda Interferometer with diffraction grating for measuring lengths.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3486178T2 (en) * 1983-11-04 1993-10-21 Sony Magnescale Inc Optical instrument for measuring a displacement.
GB2185314B (en) * 1986-01-14 1990-09-26 Canon Kk Encoder
DE3706277C2 (en) * 1986-02-28 1995-04-27 Canon Kk Rotation encoder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2077520A2 (en) * 1993-11-08 1995-11-16 Fagor S Coop Ltda Interferometer with diffraction grating for measuring lengths.

Also Published As

Publication number Publication date
DE4132291A1 (en) 1992-04-30

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Legal Events

Date Code Title Description
PC1A Transfer granted

Owner name: FAGOR S.COOP.