DE69522897D1 - Vorrichtung zur Erzeugung von Interpolationspulsen - Google Patents

Vorrichtung zur Erzeugung von Interpolationspulsen

Info

Publication number
DE69522897D1
DE69522897D1 DE69522897T DE69522897T DE69522897D1 DE 69522897 D1 DE69522897 D1 DE 69522897D1 DE 69522897 T DE69522897 T DE 69522897T DE 69522897 T DE69522897 T DE 69522897T DE 69522897 D1 DE69522897 D1 DE 69522897D1
Authority
DE
Germany
Prior art keywords
generating interpolation
interpolation pulses
pulses
generating
interpolation
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 - Fee Related
Application number
DE69522897T
Other languages
English (en)
Other versions
DE69522897T2 (de
Inventor
Mikiya Teraguchi
Kiyokazu Okamoto
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.)
Mitutoyo Corp
Original Assignee
Mitutoyo Corp
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 Mitutoyo Corp filed Critical Mitutoyo Corp
Publication of DE69522897D1 publication Critical patent/DE69522897D1/de
Application granted granted Critical
Publication of DE69522897T2 publication Critical patent/DE69522897T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03M1/203—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue 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
    • 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)
  • Complex Calculations (AREA)
DE69522897T 1994-11-08 1995-10-31 Vorrichtung zur Erzeugung von Interpolationspulsen Expired - Fee Related DE69522897T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6299010A JP2756761B2 (ja) 1994-11-08 1994-11-08 内挿パルス発生装置

Publications (2)

Publication Number Publication Date
DE69522897D1 true DE69522897D1 (de) 2001-10-31
DE69522897T2 DE69522897T2 (de) 2002-04-04

Family

ID=17867068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522897T Expired - Fee Related DE69522897T2 (de) 1994-11-08 1995-10-31 Vorrichtung zur Erzeugung von Interpolationspulsen

Country Status (5)

Country Link
US (1) US5734688A (de)
EP (1) EP0711974B1 (de)
JP (1) JP2756761B2 (de)
CN (1) CN1050663C (de)
DE (1) DE69522897T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2927278B2 (ja) * 1997-08-06 1999-07-28 日本電気株式会社 不連続信号内挿回路
EP1468496B1 (de) * 2002-01-11 2006-03-08 Dr. Johannes Heidenhain GmbH Verfahren zur interpolation mindestens zweier positionsabhängiger, periodischer, zueinander phasenverschobener analogsignale
DE10208915A1 (de) * 2002-01-11 2003-07-24 Heidenhain Gmbh Dr Johannes Verfahren zur Interpolation mindestens zweier positionsabhängiger, periodischer, zueinander phasenverschobener Analogsignale
JP6649018B2 (ja) * 2015-09-16 2020-02-19 日本電産サンキョー株式会社 ロータリエンコーダ、およびロータリエンコーダの絶対角度位置検出方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729697A1 (de) * 1977-07-01 1979-01-04 Heidenhain Gmbh Dr Johannes Verfahren zur interpolation
JPS6037711B2 (ja) * 1978-09-01 1985-08-28 株式会社東芝 位相検出器
JPS5643506A (en) 1979-09-17 1981-04-22 Mitsutoyo Mfg Co Ltd Multidivided circuit of length measuring machine
JPS63186109A (ja) 1987-01-27 1988-08-01 Mitsutoyo Corp 測定装置の補間回路
US4814704A (en) * 1987-04-08 1989-03-21 Motorola, Inc. Rotor position indicator with correction for apparant acceleration and deceleration
JP2649390B2 (ja) * 1988-10-12 1997-09-03 キヤノン株式会社 信号内挿回路
US5123742A (en) * 1989-06-07 1992-06-23 Hitachi Electronics Engineering Co., Ltd. Laser length measuring instrument
DE68907484T2 (de) * 1989-09-01 1993-11-11 S G Kk Positionswertgeber.
US5452425A (en) * 1989-10-13 1995-09-19 Texas Instruments Incorporated Sequential constant generator system for indicating the last data word by using the end of loop bit having opposite digital state than other data words
US5218295A (en) * 1991-04-15 1993-06-08 Kayaba Kogyo Kabushiki Kaisha System for processing position signals to improve resolution of the position of an object
JP3110530B2 (ja) * 1991-11-22 2000-11-20 株式会社エスジー 位置検出装置及び時間測定装置
JP3232795B2 (ja) * 1992-08-06 2001-11-26 キヤノン株式会社 検出装置

Also Published As

Publication number Publication date
EP0711974A2 (de) 1996-05-15
CN1050663C (zh) 2000-03-22
JP2756761B2 (ja) 1998-05-25
EP0711974B1 (de) 2001-09-26
JPH08136280A (ja) 1996-05-31
CN1155068A (zh) 1997-07-23
DE69522897T2 (de) 2002-04-04
US5734688A (en) 1998-03-31
EP0711974A3 (de) 1996-11-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee