JPS6391513A - 変数の値を示すための装置および位置エンコーダ - Google Patents

変数の値を示すための装置および位置エンコーダ

Info

Publication number
JPS6391513A
JPS6391513A JP62249085A JP24908587A JPS6391513A JP S6391513 A JPS6391513 A JP S6391513A JP 62249085 A JP62249085 A JP 62249085A JP 24908587 A JP24908587 A JP 24908587A JP S6391513 A JPS6391513 A JP S6391513A
Authority
JP
Japan
Prior art keywords
signal
input
data
counter
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.)
Pending
Application number
JP62249085A
Other languages
English (en)
Japanese (ja)
Inventor
ピーター・ディーン・オニオン
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.)
Rank Taylor Hobson Ltd
Original Assignee
Rank Taylor Hobson Ltd
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 Rank Taylor Hobson Ltd filed Critical Rank Taylor Hobson Ltd
Publication of JPS6391513A publication Critical patent/JPS6391513A/ja
Pending 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
    • G01D5/12—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
    • G01D5/243—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 the phase or frequency of AC
    • 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
    • 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)
  • Control Of Position Or Direction (AREA)
JP62249085A 1986-10-03 1987-09-30 変数の値を示すための装置および位置エンコーダ Pending JPS6391513A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08623752A GB2195762A (en) 1986-10-03 1986-10-03 Interpolator
GB8623752 1986-10-03

Publications (1)

Publication Number Publication Date
JPS6391513A true JPS6391513A (ja) 1988-04-22

Family

ID=10605200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62249085A Pending JPS6391513A (ja) 1986-10-03 1987-09-30 変数の値を示すための装置および位置エンコーダ

Country Status (9)

Country Link
US (1) US4823000A (OSRAM)
EP (1) EP0262881B1 (OSRAM)
JP (1) JPS6391513A (OSRAM)
CN (1) CN87106776A (OSRAM)
DD (1) DD269269A5 (OSRAM)
DE (1) DE3788329T2 (OSRAM)
DK (1) DK482587A (OSRAM)
GB (1) GB2195762A (OSRAM)
IN (1) IN170195B (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8820742D0 (en) * 1988-09-02 1988-10-05 Alcatel Business Systems Optical encoder
GB8921338D0 (en) * 1989-09-21 1989-11-08 Smiths Industries Plc Optical encoders
GB8914417D0 (en) * 1989-06-23 1989-08-09 Rank Taylor Hobson Ltd Interpolator
US5107107A (en) * 1990-03-30 1992-04-21 The United States Of America As Represented By The Administarator Of The National Aeronautics And Space Administration Laser optical disk position encoder with active heads
WO1992006539A1 (en) * 1990-10-02 1992-04-16 Spetsialnoe Konstruktorskoe Bjuro Radioelektronnoi Apparatury Instituta Radiofiziki I Elektroniki Akademii Nauk Armyanskoi Ssr Method and device for conversion of movements of an object into code
US5949695A (en) * 1997-01-10 1999-09-07 Harris Corporation Interpolator using a plurality of polynomial equations and associated methods
US10408643B2 (en) * 2016-08-18 2019-09-10 Texas Instruments Incorporated Methods and apparatus to increase resolver-to-digital converter accuracy

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610565A (en) * 1979-07-04 1981-02-03 Ricoh Co Ltd Purification of azo pigment
JPS6197520A (ja) * 1984-10-19 1986-05-16 Mitsutoyo Mfg Co Ltd 変位検出装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410976A (en) * 1965-06-09 1968-11-12 Itek Corp Shaft angle encoder with phase detection
GB1161561A (en) * 1965-08-06 1969-08-13 Nat Res Dev Improvements in or relating to Positional Displacement Transducer Arrangements
US3798557A (en) * 1972-03-31 1974-03-19 Perkin Elmer Corp Interpolation of sinusoidal signals
CA1142345A (en) * 1979-08-31 1983-03-08 Gerald L. Tumbush Relatively moving photodiode sensed diffraction grating-type measuring device
US4346447A (en) * 1979-12-28 1982-08-24 Nippon Kogaku K.K. Divisional reading device for sine signals
US4445110A (en) * 1980-07-28 1984-04-24 Itek Corporation Absolute optical encoder system
DE3412557A1 (de) * 1984-04-04 1985-10-24 Mauser-Werke Oberndorf Gmbh, 7238 Oberndorf Laengenmesseinrichtung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5610565A (en) * 1979-07-04 1981-02-03 Ricoh Co Ltd Purification of azo pigment
JPS6197520A (ja) * 1984-10-19 1986-05-16 Mitsutoyo Mfg Co Ltd 変位検出装置

Also Published As

Publication number Publication date
DE3788329D1 (de) 1994-01-13
EP0262881B1 (en) 1993-12-01
DE3788329T2 (de) 1994-03-17
EP0262881A2 (en) 1988-04-06
EP0262881A3 (en) 1989-12-27
IN170195B (OSRAM) 1992-02-22
US4823000A (en) 1989-04-18
GB8623752D0 (en) 1986-11-05
DK482587A (da) 1988-04-04
GB2195762A (en) 1988-04-13
DD269269A5 (de) 1989-06-21
CN87106776A (zh) 1988-04-13
DK482587D0 (da) 1987-09-15

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