DE3279864D1 - Displacement measuring device - Google Patents

Displacement measuring device

Info

Publication number
DE3279864D1
DE3279864D1 DE8282901021T DE3279864T DE3279864D1 DE 3279864 D1 DE3279864 D1 DE 3279864D1 DE 8282901021 T DE8282901021 T DE 8282901021T DE 3279864 T DE3279864 T DE 3279864T DE 3279864 D1 DE3279864 D1 DE 3279864D1
Authority
DE
Germany
Prior art keywords
measuring device
displacement measuring
displacement
measuring
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
Application number
DE8282901021T
Other languages
English (en)
Inventor
Tsuneo Sasaki
Fumio Ohtomo
Takashi Yokokura
Fumitomo Kondo
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.)
Topcon Corp
Original Assignee
Tokyo Kogaku Kikai KK
Tokyo Optical Co 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 Tokyo Kogaku Kikai KK, Tokyo Optical Co Ltd filed Critical Tokyo Kogaku Kikai KK
Application granted granted Critical
Publication of DE3279864D1 publication Critical patent/DE3279864D1/de
Expired 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
    • G01D5/244—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
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor
    • 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
    • H03M1/305—Circuits or methods for processing the quadrature signals for detecting the direction of movement
DE8282901021T 1981-04-13 1982-04-12 Displacement measuring device Expired DE3279864D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56055405A JPS57169611A (en) 1981-04-13 1981-04-13 Measuring device for angular displacement
PCT/JP1982/000119 WO1982003682A1 (en) 1981-04-13 1982-04-12 Displacement measuring device

Publications (1)

Publication Number Publication Date
DE3279864D1 true DE3279864D1 (en) 1989-09-14

Family

ID=12997625

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282901021T Expired DE3279864D1 (en) 1981-04-13 1982-04-12 Displacement measuring device

Country Status (6)

Country Link
US (3) US4547667A (de)
EP (1) EP0076861B1 (de)
JP (1) JPS57169611A (de)
AU (1) AU552429B2 (de)
DE (1) DE3279864D1 (de)
WO (1) WO1982003682A1 (de)

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FR2585904B1 (fr) * 1985-07-30 1987-11-13 Mcb Lecteur de code optique incremental, notamment du type entierement integre
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JPS62162968A (ja) * 1986-01-13 1987-07-18 Hitachi Ltd 速度検出装置
JPS62238415A (ja) * 1986-04-09 1987-10-19 Hitachi Medical Corp ロ−タリエンコ−ダ出力位相補正回路
JPH061203B2 (ja) * 1986-09-10 1994-01-05 フアナツク株式会社 デイジタルパルスのパルス幅確保およびノイズ抑制のための回路
DE3717473A1 (de) * 1987-05-23 1988-12-01 Thomson Brandt Gmbh Verfahren zum auswerten von signalen eines inkrementalgebers
JP2799571B2 (ja) * 1987-07-22 1998-09-17 トヨタ自動車株式会社 速度検出装置
DE3901546A1 (de) * 1987-08-07 1990-08-02 Heidenhain Gmbh Dr Johannes Positionsmesseinrichtung mit mehreren abtaststellen
DE3726260A1 (de) * 1987-08-07 1989-02-16 Heidenhain Gmbh Dr Johannes Positionsmesseinrichtung mit mehreren abtaststellen
DE3742295A1 (de) * 1987-12-14 1989-06-22 Heidenhain Gmbh Dr Johannes Positionsmesseinrichtung mit mehreren abtaststellen
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DE3813754A1 (de) * 1988-04-23 1989-11-02 Emg Elektro Mechanik Gmbh Vorrichtung zur erfassung der winkelposition eines drehbaren koerpers
US4908510A (en) * 1988-09-02 1990-03-13 The Boeing Company Optical fiber coupled resolver having a reference signal
JP2586121B2 (ja) * 1988-09-30 1997-02-26 キヤノン株式会社 ロータリーエンコーダの原点検出系
DE3914557A1 (de) * 1989-05-03 1990-11-08 Heidenhain Gmbh Dr Johannes Positionsmesseinrichtung mit mehreren abtaststellen
DE3942178A1 (de) * 1989-08-08 1991-02-21 Heidenhain Gmbh Dr Johannes Laengen- oder winkelmesseinrichtung
US5021781A (en) * 1989-10-18 1991-06-04 Pitney Bowes Inc. Two stage quadrature incremental encoder
JPH03140820A (ja) * 1989-10-25 1991-06-14 Matsushita Electric Ind Co Ltd エンコーダ
JP2652718B2 (ja) * 1990-01-08 1997-09-10 株式会社キッツ バルブ用電動アクチュエータ
DE4018839A1 (de) * 1990-06-13 1991-12-19 Huebner Johannes Rotationsimpulsgeber mit 3 um 120(grad) versetzten abtasteinrichtungen
DE4113201A1 (de) * 1991-04-23 1992-10-29 Oplaender Wilo Werk Gmbh Verfahren zur beruehrungslosen kontrolle der drehrichtung elektrischer maschinen
US5596189A (en) * 1991-05-02 1997-01-21 Orton; Paul A. Measuring system for determining transverse deflection of a rotary shaft
GB9109501D0 (en) * 1991-05-02 1991-06-26 Orton Paul A Shaft displacement measuring system
US5357196A (en) * 1991-08-06 1994-10-18 Jeco Company Limited Circuit for converting a frequency of an input signal so a signal having a digital value corresponding to the frequency
DE4229575C1 (de) * 1992-09-04 1993-11-25 Heidenhain Gmbh Dr Johannes Verfahren bei Längen- oder Winkelmeßeinrichtungen
DE4344494C2 (de) * 1993-12-24 1997-04-30 Kodak Ag Verfahren und Vorrichtung zur Vermessung einer Achsdrehbewegung
DE4402401C2 (de) * 1994-01-27 1997-05-22 Heidenhain Gmbh Dr Johannes Winkelmeßeinrichtung mit mehreren Abtaststellen
JPH08166397A (ja) * 1994-05-26 1996-06-25 Knorr Bremse Syst Fur Nutzfahrzeuge Gmbh 回転速度検出方法及び装置
US5867125A (en) * 1995-12-20 1999-02-02 Cluff; Larry A. Incremental phase and distance measurement through digital phase signature comparison
US5821531A (en) * 1996-01-26 1998-10-13 Asahi Kogaku Kogyo Kabushiki Kaisha Dual sensor encoder for detecting forward/reverse rotation having light modulating patterns with a predetermined phase different
US5744950A (en) * 1996-05-09 1998-04-28 Ssi Technologies, Inc. Apparatus for detecting the speed of a rotating element including signal conditioning to provide a fifty percent duty cycle
DE19920596C2 (de) * 1999-05-05 2003-10-30 Maerzhaeuser Senso Tech Gmbh Verfahren zum Messen der Relativlage zweier Objekte
US6660996B1 (en) 2001-07-03 2003-12-09 Lexmark International, Inc. System and method for examining relationship between intersecting encoder output signals
WO2003043937A2 (en) * 2001-11-15 2003-05-30 Pq Holding, Inc. Method for controlling synthesis conditions during molecular sieve synthesis using combinations of quaternary ammonium hydroxides and halides
US7519493B2 (en) * 2002-02-14 2009-04-14 Faro Technologies, Inc. Portable coordinate measurement machine with integrated line laser scanner
US6973734B2 (en) * 2002-02-14 2005-12-13 Faro Technologies, Inc. Method for providing sensory feedback to the operator of a portable measurement machine
US7881896B2 (en) 2002-02-14 2011-02-01 Faro Technologies, Inc. Portable coordinate measurement machine with integrated line laser scanner
US6952882B2 (en) * 2002-02-14 2005-10-11 Faro Technologies, Inc. Portable coordinate measurement machine
USRE42082E1 (en) 2002-02-14 2011-02-01 Faro Technologies, Inc. Method and apparatus for improving measurement accuracy of a portable coordinate measurement machine
US6957496B2 (en) * 2002-02-14 2005-10-25 Faro Technologies, Inc. Method for improving measurement accuracy of a portable coordinate measurement machine
US7246030B2 (en) * 2002-02-14 2007-07-17 Faro Technologies, Inc. Portable coordinate measurement machine with integrated line laser scanner
US6920697B2 (en) * 2002-02-14 2005-07-26 Faro Technologies, Inc. Portable coordinate measurement machine with integrated touch probe and improved handle assembly
FR2848663B1 (fr) * 2002-12-11 2005-04-01 Electricfil Capteur de position a tres haute resolution
CN1322315C (zh) * 2004-03-05 2007-06-20 财团法人工业技术研究院 一种抗杂讯干扰的位置或角度信号处理电路
US7126109B2 (en) * 2004-06-14 2006-10-24 Gsi Group Corporation Encoder scale error compensation employing comparison among multiple detectors
JP4938265B2 (ja) * 2004-09-03 2012-05-23 ライカ ジオシステムズ アクチェンゲゼルシャフト 回転角を正確に測定する方法及び装置
US7304295B2 (en) * 2005-09-30 2007-12-04 Avago Technologies Ecbuip (Singapore) Pte Ltd Method and system of detecting eccentricity and up/down movement of a code wheel of an optical encoder set
JP4005096B2 (ja) * 2005-11-29 2007-11-07 ファナック株式会社 エンコーダの信号処理回路
JP4918593B2 (ja) * 2006-08-21 2012-04-18 ジーエスアイ・グループ・コーポレーション 共用レチクル基板を有する複数のサブエンコーダを利用する光学式回転エンコーダ
US7535382B2 (en) * 2006-10-31 2009-05-19 Mitutoyo Corporation High speed quadrature counter
US8054069B2 (en) * 2009-07-02 2011-11-08 General Electric Company Self-adjusting multi-event timing apparatus
JP5569887B2 (ja) * 2012-02-14 2014-08-13 廉 高橋 電動パワーステアリング装置用トルクセンサ
RU2616867C1 (ru) * 2016-03-09 2017-04-18 Федеральное государственное автономное образовательное учреждение высшего образования "Самарский государственный аэрокосмический университет имени академика С.П. Королева" (национальный исследовательский университет)" (СГАУ) Преобразователь перемещения в код
CN107187582B (zh) * 2017-07-31 2019-10-29 中国商用飞机有限责任公司 一种襟缝翼操纵手柄

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JPS5729911A (en) * 1980-07-30 1982-02-18 Nippon Kogaku Kk <Nikon> Counting device

Also Published As

Publication number Publication date
JPH0130087B2 (de) 1989-06-16
WO1982003682A1 (en) 1982-10-28
AU552429B2 (en) 1986-05-29
EP0076861A4 (de) 1986-01-07
EP0076861A1 (de) 1983-04-20
EP0076861B1 (de) 1989-08-09
JPS57169611A (en) 1982-10-19
AU8330782A (en) 1982-11-04
US4547667A (en) 1985-10-15
US4580047A (en) 1986-04-01
US4580046A (en) 1986-04-01

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: KABUSHIKI KAISHA TOPCON, TOKIO/TOKYO, JP

8364 No opposition during term of opposition