DE69717245D1 - Verfahren zur Veränderung von Interpolationsfaktoren - Google Patents

Verfahren zur Veränderung von Interpolationsfaktoren

Info

Publication number
DE69717245D1
DE69717245D1 DE69717245T DE69717245T DE69717245D1 DE 69717245 D1 DE69717245 D1 DE 69717245D1 DE 69717245 T DE69717245 T DE 69717245T DE 69717245 T DE69717245 T DE 69717245T DE 69717245 D1 DE69717245 D1 DE 69717245D1
Authority
DE
Germany
Prior art keywords
procedure
interpolation factors
changing interpolation
factors
changing
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
DE69717245T
Other languages
English (en)
Other versions
DE69717245T2 (de
Inventor
Mark Mazgaj
Robert Setbacken
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
Publication of DE69717245D1 publication Critical patent/DE69717245D1/de
Application granted granted Critical
Publication of DE69717245T2 publication Critical patent/DE69717245T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
    • H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
    • H03M1/206—Increasing resolution using an n bit system to obtain n + m bits by interpolation using a logic interpolation circuit
    • 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
    • G01D5/24404—Interpolation using high frequency signals
    • 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
    • G01D5/24414—Encoders having selectable interpolation factors
    • 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
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
    • 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
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/303—Circuits or methods for processing the quadrature signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Analogue/Digital Conversion (AREA)
  • Television Systems (AREA)
  • Complex Calculations (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Circuits Of Receivers In General (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE69717245T 1997-01-10 1997-12-16 Verfahren zur Veränderung von Interpolationsfaktoren Expired - Lifetime DE69717245T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/782,050 US5920494A (en) 1997-01-10 1997-01-10 Method and device for varying interpolation factors

Publications (2)

Publication Number Publication Date
DE69717245D1 true DE69717245D1 (de) 2003-01-02
DE69717245T2 DE69717245T2 (de) 2003-05-08

Family

ID=25124801

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69717245T Expired - Lifetime DE69717245T2 (de) 1997-01-10 1997-12-16 Verfahren zur Veränderung von Interpolationsfaktoren

Country Status (5)

Country Link
US (1) US5920494A (de)
EP (2) EP1236973B1 (de)
JP (1) JP4184466B2 (de)
AT (1) ATE228239T1 (de)
DE (1) DE69717245T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351757B1 (en) * 1998-11-13 2002-02-26 Creative Technology Ltd. Method for conserving memory storage during an interpolation operation
US6803863B1 (en) * 2000-01-07 2004-10-12 Tai-Her Yang Method and circuitry device for non-linear output displacement conversion with reference to signal speeds coming from displacement detector
JP3636657B2 (ja) * 2000-12-21 2005-04-06 Ｎｅｃエレクトロニクス株式会社 クロックアンドデータリカバリ回路とそのクロック制御方法
US6727493B2 (en) 2001-11-06 2004-04-27 Renco Incoders, Inc. Multiple resolution photodiode sensor array for an optical encoder
DE10208915A1 (de) * 2002-01-11 2003-07-24 Heidenhain Gmbh Dr Johannes Verfahren zur Interpolation mindestens zweier positionsabhängiger, periodischer, zueinander phasenverschobener Analogsignale
US8311131B2 (en) * 2002-01-11 2012-11-13 Dr. Johannes Heidenhain Gmbh Method for interpolating at least two position-dependent, periodic analog signals that are dephased relative each other
FR2848665B1 (fr) * 2002-12-11 2005-02-25 Bei Ideacod Sas Codeur incremental avec ou sans voies de commutation pourvu d'au moins un moyen de changement de la resolution de sortie des signaux
JP5865329B2 (ja) * 2003-10-01 2016-02-17 オリンパス株式会社 エンコーダ
US20070045525A1 (en) * 2005-08-26 2007-03-01 Delta Electronics, Inc. Optical encoder and controller for the same
SI22271A (sl) * 2006-03-01 2007-10-31 Univerza V Ljubljani Fakulteta Za Elektrotehniko Vezje za določanje položaja s pomočjo sinusnega in kosinusnega signala
JP4844370B2 (ja) * 2006-12-04 2011-12-28 株式会社日立製作所 フレームレート変換装置及び表示装置
US7880657B2 (en) * 2009-02-26 2011-02-01 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Interpolation accuracy improvement in motion encoder systems, devices and methods
US7880658B2 (en) * 2009-02-26 2011-02-01 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Interpolation accuracy improvement in motion encoder systems, devices and methods
JP5349157B2 (ja) * 2009-06-19 2013-11-20 Ｎｔｎ株式会社 回転検出装置および回転検出装置付き軸受
EP2641066B1 (de) * 2010-11-19 2019-02-13 VSE VOLUMENTECHNIK GmbH Volumenmessauswerteverfahren und -messeinrichtung
DE102010051873B4 (de) * 2010-11-22 2013-03-14 Ic-Haus Gmbh Integrierte Schaltungsanordnung und Verfahren zur Signalüberwachung
US8772705B2 (en) * 2010-12-01 2014-07-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Interpolation circuitry for optical encoders
US8732511B2 (en) * 2011-09-29 2014-05-20 Lsi Corporation Resistor ladder based phase interpolation
CN114584919B (zh) * 2022-02-14 2024-04-19 华东师范大学 使用插值方法的uwb室内定位系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE288221C (de) *
DE2729697A1 (de) * 1977-07-01 1979-01-04 Heidenhain Gmbh Dr Johannes Verfahren zur interpolation
DD206053A3 (de) * 1981-07-01 1984-01-11 Gerhard Doering Umschaltbarer interpolator
DE3239108A1 (de) * 1982-10-22 1984-04-26 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmessverfahren und einrichtungen zur durchfuehrung des verfahrens
DE3412557A1 (de) * 1984-04-04 1985-10-24 Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf Laengenmesseinrichtung
JP3452638B2 (ja) * 1994-05-02 2003-09-29 オリンパス光学工業株式会社 エンコーダの内挿装置

Also Published As

Publication number Publication date
JP4184466B2 (ja) 2008-11-19
JPH112547A (ja) 1999-01-06
US5920494A (en) 1999-07-06
EP1236973B1 (de) 2013-05-29
EP1236973A2 (de) 2002-09-04
EP1236973A3 (de) 2008-03-19
EP0853231B1 (de) 2002-11-20
ATE228239T1 (de) 2002-12-15
EP0853231A2 (de) 1998-07-15
EP0853231A3 (de) 2000-04-05
DE69717245T2 (de) 2003-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition