ATE84926T1 - Interpolationsverfahren und kodierer. - Google Patents

Interpolationsverfahren und kodierer.

Info

Publication number
ATE84926T1
ATE84926T1 AT86306540T AT86306540T ATE84926T1 AT E84926 T1 ATE84926 T1 AT E84926T1 AT 86306540 T AT86306540 T AT 86306540T AT 86306540 T AT86306540 T AT 86306540T AT E84926 T1 ATE84926 T1 AT E84926T1
Authority
AT
Austria
Prior art keywords
signals
analogue
memory device
stored
interpolation
Prior art date
Application number
AT86306540T
Other languages
English (en)
Inventor
David Aubrey Garrett
Original Assignee
Muirhead Vactric Components
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 Muirhead Vactric Components filed Critical Muirhead Vactric Components
Application granted granted Critical
Publication of ATE84926T1 publication Critical patent/ATE84926T1/de

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
    • H03M1/207—Increasing resolution using an n bit system to obtain n + m bits by interpolation using a digital interpolation circuit
    • 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

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Analogue/Digital Conversion (AREA)
  • Image Generation (AREA)
  • Control Of Stepping Motors (AREA)
  • Complex Calculations (AREA)
AT86306540T 1985-08-22 1986-08-22 Interpolationsverfahren und kodierer. ATE84926T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8521099A GB2179515B (en) 1985-08-22 1985-08-22 Interpolation method and application thereof to encoders
EP86306540A EP0213904B1 (de) 1985-08-22 1986-08-22 Interpolationsverfahren und Kodierer

Publications (1)

Publication Number Publication Date
ATE84926T1 true ATE84926T1 (de) 1993-02-15

Family

ID=10584194

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86306540T ATE84926T1 (de) 1985-08-22 1986-08-22 Interpolationsverfahren und kodierer.

Country Status (8)

Country Link
US (1) US5041829A (de)
EP (1) EP0213904B1 (de)
JP (1) JPS62110113A (de)
AT (1) ATE84926T1 (de)
CA (1) CA1268256A (de)
DE (2) DE213904T1 (de)
GB (1) GB2179515B (de)
IN (1) IN168351B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63311119A (ja) * 1987-06-15 1988-12-19 Fanuc Ltd 絶対位置エンコ−ダ
JPS6449914A (en) * 1987-08-20 1989-02-27 Fanuc Ltd Signal processor for pulse encoder
JP2501228B2 (ja) * 1988-06-24 1996-05-29 ファナック株式会社 エンコ―ダの内挿回路
JPH0238922A (ja) * 1988-07-29 1990-02-08 Fanuc Ltd 磁気式絶対位置エンコーダ
JPH0264407A (ja) * 1988-08-31 1990-03-05 Fanuc Ltd 磁気式絶対位置エンコーダ
DE3834591A1 (de) * 1988-10-11 1990-04-12 Heidenhain Gmbh Dr Johannes Tachometer
EP0408799B1 (de) * 1989-07-21 1993-04-14 Dr. Johannes Heidenhain GmbH Verfahren zum Interpolieren von Positionsmesssignalen
WO1995005707A1 (en) * 1991-06-06 1995-02-23 Trj & Company Absolute encoder using multiphase analog signals
US5506579A (en) * 1991-06-06 1996-04-09 Trj & Company Absolute encoder using multiphase analog signals
JP3007268B2 (ja) * 1994-06-16 2000-02-07 アンリツ株式会社 鋸歯状波発生装置及びそれを用いた信号補間装置
US5646496A (en) * 1994-11-08 1997-07-08 Dana Corporation Apparatus and method for generating digital position signals for a rotatable shaft
DE19544948C2 (de) * 1995-12-01 2002-09-26 Gemac Ges Fuer Mikroelektronik Digitale Interpolationseinrichtung mit Amplituden- und Nullageregelung der Eingangssignale
DE19601676A1 (de) * 1996-01-18 1997-07-24 Teves Gmbh Alfred Lenkwinkelsensor mit Auswertung der Inkrementalspur zur Absolutwertbestimmung
US6326908B1 (en) * 1998-09-04 2001-12-04 Trilogy Systems Corp Precision position encoder using coarse position indicator
US6396052B1 (en) 2000-04-07 2002-05-28 Lexmark International, Inc. High precision analog encoder system
JP2004239670A (ja) * 2003-02-04 2004-08-26 Tokai Rika Co Ltd 回転角度検出装置
FR2856477B1 (fr) * 2003-06-19 2006-10-06 Codechamp Sa Procede d'interpolation angulaire realise pour codeur optique haute resolution et le codeur optique
DK2798311T3 (en) * 2011-12-28 2019-04-15 Servosense Smc Ltd HIGH RESOLUTION ABSOLUTE CODES
DK177628B1 (en) * 2012-04-13 2013-12-16 Pr Electronics As System for linear interpolation in multiple dimensions
RU2626552C1 (ru) * 2016-10-03 2017-07-28 Акционерное общество "Концерн "Центральный научно-исследовательский институт "Электроприбор" Способ преобразования угла поворота вала в код
JP7309200B2 (ja) * 2020-03-02 2023-07-18 多摩川精機株式会社 フォトインタラプタを用いたレゾルバの角度検出精度向上方法及び装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208337B (de) * 1962-04-12 1966-01-05 Instrumentfabriek En Handel V Verfahren zum Umwandeln von Analogie-Signalen in Digital-Signale
US3744050A (en) * 1970-11-23 1973-07-03 Lear Siegler Inc Apparatus for providing an analog output in response to a digital input
DE2250305A1 (de) * 1972-10-13 1974-04-25 Licentia Gmbh Anordnung zur digitalisierung der peilspannungen eines mehrkanaligen peilgeraetes
US4079235A (en) * 1976-12-27 1978-03-14 Mcdonnell Douglas Corporation Computer numerically controlled threadcutting machine tool
DE2729697A1 (de) * 1977-07-01 1979-01-04 Heidenhain Gmbh Dr Johannes Verfahren zur interpolation
GB1559484A (en) * 1977-12-23 1980-01-23 British Aircraft Corp Ltd Apparatus for indicating angular measurement
US4276644A (en) * 1978-03-28 1981-06-30 General Electric Company Tester and method for checking meter encoders in automatic meter reading systems
GB2066602A (en) * 1979-12-20 1981-07-08 Ferranti Ltd Absolute position encoder
US4346447A (en) * 1979-12-28 1982-08-24 Nippon Kogaku K.K. Divisional reading device for sine signals
JPS576994A (en) * 1980-06-17 1982-01-13 Tokyo Optical Coding board for encoder
DE3035012C2 (de) * 1980-09-17 1982-08-12 Fa. Carl Zeiss, 7920 Heidenheim Einrichtung zur Winkelmessung
US4405895A (en) * 1981-06-11 1983-09-20 Anaren Microwave, Inc. Angle digitizing method
JPS5932812A (ja) * 1982-08-18 1984-02-22 Sony Tektronix Corp 設定値制御方法
US4558304A (en) * 1983-02-24 1985-12-10 Texas Instruments Incorporated Incremental encoder synchronous decode circuit
JPH0740108B2 (ja) * 1984-05-30 1995-05-01 株式会社精工舎 プログラムシヤツタの制御回路

Also Published As

Publication number Publication date
IN168351B (de) 1991-03-16
GB2179515A (en) 1987-03-04
GB2179515B (en) 1989-08-02
EP0213904B1 (de) 1993-01-20
US5041829A (en) 1991-08-20
GB8521099D0 (en) 1985-10-16
JPS62110113A (ja) 1987-05-21
DE3687555T2 (de) 1993-05-13
EP0213904A3 (en) 1989-11-23
CA1268256A (en) 1990-04-24
DE3687555D1 (de) 1993-03-04
EP0213904A2 (de) 1987-03-11
DE213904T1 (de) 1987-09-03

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee