CA2168355A1 - Codeur absolu utilisant des signaux analogiques multiphase - Google Patents

Codeur absolu utilisant des signaux analogiques multiphase

Info

Publication number
CA2168355A1
CA2168355A1 CA002168355A CA2168355A CA2168355A1 CA 2168355 A1 CA2168355 A1 CA 2168355A1 CA 002168355 A CA002168355 A CA 002168355A CA 2168355 A CA2168355 A CA 2168355A CA 2168355 A1 CA2168355 A1 CA 2168355A1
Authority
CA
Canada
Prior art keywords
cycle
analog signals
encoder
phase
constant
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.)
Abandoned
Application number
CA002168355A
Other languages
English (en)
Inventor
Carl P. Spaulding
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.)
TRJ and Co
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002168355A priority Critical patent/CA2168355A1/fr
Publication of CA2168355A1 publication Critical patent/CA2168355A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24409—Interpolation using memories
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)

Abstract

Un décodeur absolu comprend une échelle de mesure (1) ayant au moins une piste et une pluralité de détecteurs analogiques (47, 48) pour la piste. La sortie de chaque détecteur est modulée par la piste pour générer une pluralité de signaux analogiques multiphasés cycliques non sinusoïdaux à partir des détecteurs et indiquant la position relative des détecteurs et de l'échelle de mesure. Les signaux multiphasés sont convertis en forme numérique (50, 51) et ajoutés ou soustraits (58) de manière conditionnelle afin d'obtenir une sortie qui augmente linéairement en proportion à la position des détecteurs par rapport à l'échelle de mesure.
CA002168355A 1993-08-13 1993-08-13 Codeur absolu utilisant des signaux analogiques multiphase Abandoned CA2168355A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002168355A CA2168355A1 (fr) 1993-08-13 1993-08-13 Codeur absolu utilisant des signaux analogiques multiphase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002168355A CA2168355A1 (fr) 1993-08-13 1993-08-13 Codeur absolu utilisant des signaux analogiques multiphase

Publications (1)

Publication Number Publication Date
CA2168355A1 true CA2168355A1 (fr) 1995-02-23

Family

ID=4157457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002168355A Abandoned CA2168355A1 (fr) 1993-08-13 1993-08-13 Codeur absolu utilisant des signaux analogiques multiphase

Country Status (1)

Country Link
CA (1) CA2168355A1 (fr)

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued