EP1108198A4 - Angle encoder - Google Patents

Angle encoder

Info

Publication number
EP1108198A4
EP1108198A4 EP99932550A EP99932550A EP1108198A4 EP 1108198 A4 EP1108198 A4 EP 1108198A4 EP 99932550 A EP99932550 A EP 99932550A EP 99932550 A EP99932550 A EP 99932550A EP 1108198 A4 EP1108198 A4 EP 1108198A4
Authority
EP
European Patent Office
Prior art keywords
angle encoder
encoder
angle
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.)
Withdrawn
Application number
EP99932550A
Other languages
German (de)
French (fr)
Other versions
EP1108198A1 (en
Inventor
Karl Yarnos Eisenhauer
John Baxter
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.)
Bishop Innovation Pty Ltd
Original Assignee
Bishop Innovation Pty 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 Bishop Innovation Pty Ltd filed Critical Bishop Innovation Pty Ltd
Publication of EP1108198A1 publication Critical patent/EP1108198A1/en
Publication of EP1108198A4 publication Critical patent/EP1108198A4/en
Withdrawn legal-status Critical Current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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings
    • 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
    • G01D5/245—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 using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
EP99932550A 1998-07-24 1999-07-21 Angle encoder Withdrawn EP1108198A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPP482598 1998-07-24
AUPP4825A AUPP482598A0 (en) 1998-07-24 1998-07-24 Angle encoder
PCT/AU1999/000590 WO2000006973A1 (en) 1998-07-24 1999-07-21 Angle encoder

Publications (2)

Publication Number Publication Date
EP1108198A1 EP1108198A1 (en) 2001-06-20
EP1108198A4 true EP1108198A4 (en) 2002-09-11

Family

ID=3809063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99932550A Withdrawn EP1108198A4 (en) 1998-07-24 1999-07-21 Angle encoder

Country Status (9)

Country Link
EP (1) EP1108198A4 (en)
JP (1) JP2002521684A (en)
KR (1) KR100571346B1 (en)
CN (1) CN1175249C (en)
AU (1) AUPP482598A0 (en)
BR (1) BR9912682A (en)
CA (1) CA2338637A1 (en)
MX (1) MXPA01000833A (en)
WO (1) WO2000006973A1 (en)

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AU2001265710B2 (en) * 2000-06-23 2004-12-23 Bishop Innovation Limited Position encoder using statistically biased pseudorandom sequence
AUPQ835100A0 (en) 2000-06-23 2000-07-20 Bishop Innovation Limited Position sensor
KR20030014764A (en) * 2001-08-13 2003-02-20 주식회사 만도 Turning angle sensing device
GB2395002A (en) * 2002-10-22 2004-05-12 Bamford Excavators Ltd Apparatus for determining angular position of a rotatable mechanical element
SG147288A1 (en) * 2003-04-29 2008-11-28 Asml Netherlands Bv Lithographic apparatus, device manufacturing method and angular encoder
JP4661364B2 (en) * 2005-05-26 2011-03-30 株式会社デンソー Optical sensor
JP2006337321A (en) * 2005-06-06 2006-12-14 Mitsutoyo Corp Optical scale and manufacturing method therefor
US7394061B2 (en) * 2005-08-31 2008-07-01 Avago Technologies Ecbu Pte Ltd Optical encoder with integrated index channel
US7531773B2 (en) * 2005-09-08 2009-05-12 Flextronics Ap, Llc Auto-focus and zoom module having a lead screw with its rotation results in translation of an optics group
TWI550688B (en) 2006-01-19 2016-09-21 尼康股份有限公司 Liquid immersion exposure device, liquid immersion exposure method, and component manufacturing method
US8112128B2 (en) 2006-08-31 2012-02-07 Flextronics Ap, Llc Discreetly positionable camera housing
CN100425952C (en) * 2006-10-10 2008-10-15 李苏 Degenerate pseudo-random rotary sensor
DE102006061929A1 (en) 2006-12-20 2008-06-26 Takata-Petri Ag Optical steering angle sensor for determining the absolute value of the steering angle
CA2685080A1 (en) 2007-04-24 2008-11-06 Flextronics Ap Llc Small form factor modules using wafer level optics with bottom cavity and flip-chip assembly
US7825985B2 (en) 2007-07-19 2010-11-02 Flextronics Ap, Llc Camera module back-focal length adjustment method and ultra compact components packaging
US8488046B2 (en) 2007-12-27 2013-07-16 Digitaloptics Corporation Configurable tele wide module
DE102008022027A1 (en) * 2008-05-02 2009-11-05 Dr. Johannes Heidenhain Gmbh Position measuring device
US8020455B2 (en) * 2008-06-06 2011-09-20 General Electric Company Magnetostrictive sensing systems and methods for encoding
EP2175243B1 (en) 2008-10-09 2015-08-12 Delphi Technologies, Inc. High resolution position encoder
CN102301205B (en) 2009-01-27 2014-07-09 瑞尼斯豪公司 Magnetic encoder apparatus
DE102009009788B4 (en) * 2009-02-20 2019-12-19 Phoenix Contact Gmbh & Co. Kg Device and method for the contactless determination of a rotational angle position and / or a standstill of a rotatable object
GB0909724D0 (en) 2009-06-05 2009-07-22 Renishaw Plc Position measurement encoder and method of operation
AT508874B1 (en) * 2009-09-17 2012-03-15 Piezocryst Advanced Sensorics DEVICE FOR OBTAINING ANGLE SIGNALS
JP4984268B2 (en) * 2009-11-09 2012-07-25 独立行政法人産業技術総合研究所 Shaft measurement method and angle detector with self-calibration function with shaft shake measurement function
JP2011122993A (en) * 2009-12-14 2011-06-23 Nikon Corp Reflecting plate for optical encoder, and method for manufacturing the same
JP5472986B2 (en) * 2009-12-29 2014-04-16 株式会社リガク Angle measuring device, method of manufacturing angle measuring device, and X-ray analyzer
CN102243082B (en) * 2010-05-10 2015-05-20 上海宏曲电子科技有限公司 Photosensitive angular position sensor
CN102241273A (en) * 2010-05-10 2011-11-16 上海宏曲电子科技有限公司 Laser type digital rudder angle indication system
CN102478406A (en) * 2010-11-25 2012-05-30 上海宏曲电子科技有限公司 Direct passive laser angular displacement sensor
CN102478393A (en) * 2010-11-25 2012-05-30 上海宏曲电子科技有限公司 Direct split passive laser angle sensor
CN102478391A (en) * 2010-11-25 2012-05-30 上海宏曲电子科技有限公司 Direct-type active laser angular position sensor
CN102478409A (en) * 2010-11-25 2012-05-30 上海宏曲电子科技有限公司 Indirect passive laser angle position sensor
CN102478394A (en) * 2010-11-25 2012-05-30 上海宏曲电子科技有限公司 Indirect split active laser angle sensor
JP5832088B2 (en) * 2010-12-15 2015-12-16 キヤノン株式会社 Rotary encoder
CN102556323B (en) * 2010-12-31 2015-02-11 上海宏曲电子科技有限公司 Active type split direct laser rudder angle position sending device
US8545114B2 (en) 2011-03-11 2013-10-01 Digitaloptics Corporation Auto focus-zoom actuator or camera module contamination reduction feature with integrated protective membrane
US8982267B2 (en) 2011-07-27 2015-03-17 Flextronics Ap, Llc Camera module with particle trap
CN104024803B (en) 2011-10-31 2017-02-15 日本精工株式会社 Torque detection device and electric power steering device
CN104596557B (en) * 2015-01-08 2017-06-13 佛山轻子精密测控技术有限公司 A kind of absolute type encoder and its measuring method
JP5974154B2 (en) * 2015-10-28 2016-08-23 キヤノン株式会社 Rotary encoder
TWI570391B (en) * 2016-05-18 2017-02-11 虹光精密工業股份有限公司 Rototary encoder with staggered encoder wheels
CN106197490A (en) * 2016-07-25 2016-12-07 哈尔滨工业大学 A kind of absolute type azimuth photoelectric encoder
CN106248116A (en) * 2016-07-25 2016-12-21 哈尔滨工业大学 A kind of absolute type elevation angle photoelectric encoder
DE102016119881A1 (en) * 2016-10-19 2018-04-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Sensor device for measuring a linear or rotational movement of a measurement object
JP2018164947A (en) * 2017-03-28 2018-10-25 京都機械工具株式会社 Fastening tool
CN107449375A (en) * 2017-08-31 2017-12-08 广东工业大学 A kind of increment type Circular gratings chi grating Angular Displacement Detecting System and method
CN111630341B (en) * 2018-01-23 2022-04-05 株式会社阿米泰克 Induction type rotation detection device
CN108955859A (en) * 2018-05-08 2018-12-07 中国大唐集团科学技术研究院有限公司华东分公司 A kind of key signal acquisition device and key signal acquisition method
JP7078486B2 (en) * 2018-08-01 2022-05-31 株式会社トプコン Angle detection system and angle detection method
CN112585432A (en) * 2018-08-30 2021-03-30 ams传感器新加坡私人有限公司 Optical position encoder
CN111457948A (en) * 2019-01-22 2020-07-28 大银微系统股份有限公司 Optical encoder and control method thereof
CN110394791B (en) * 2019-06-11 2020-10-30 北京空间飞行器总体设计部 Electromechanical limiting device larger than 360 degrees
FR3101439B1 (en) * 2019-09-26 2021-10-29 Arteffect Optical device and module comprising such an optical device, intended for a lighting device, for creating light effects.
CN112799161A (en) * 2021-02-02 2021-05-14 廊坊市莱格光电仪器有限公司 Metal cylindrical grating and manufacturing process thereof
CN114485745A (en) * 2022-02-11 2022-05-13 靖江市宇其光电科技有限公司 Small-size high reliability blue light reflective encoder
CN114440945B (en) * 2022-02-28 2023-06-16 中北大学 Tunable optical angle encoder based on double-layer round hole lattice two-dimensional grating
CN114734245A (en) * 2022-06-10 2022-07-12 宁波中车时代传感技术有限公司 Shaft end photoelectric rotating speed sensor for rail transit and manufacturing method
CN118548918A (en) * 2024-07-24 2024-08-27 长春禹衡光学有限公司 High-precision angle encoder

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Publication number Priority date Publication date Assignee Title
EP0377097A1 (en) * 1988-11-02 1990-07-11 Daimler-Benz Aktiengesellschaft Steering angle sensor for a motor vehicle
WO1993025865A1 (en) * 1992-06-15 1993-12-23 Bootsman Holding B.V. Position detection system
DE19638912A1 (en) * 1996-09-23 1998-03-26 Teves Gmbh Alfred Position sensor arrangement for rotation angle sensor in motor vehicle

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CH683798A5 (en) * 1990-12-10 1994-05-13 Tesa Sa position sensor for an apparatus for measuring linear or angular variables.
AT404300B (en) * 1992-02-20 1998-10-27 Rsf Elektronik Gmbh ENCODER
US5336884A (en) * 1992-07-01 1994-08-09 Rockwell International Corporation High resolution optical hybrid absolute incremental position encoder
EP0635700A1 (en) * 1993-07-22 1995-01-25 Marco Dr. Brandestini Absolute digital position encoder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0377097A1 (en) * 1988-11-02 1990-07-11 Daimler-Benz Aktiengesellschaft Steering angle sensor for a motor vehicle
WO1993025865A1 (en) * 1992-06-15 1993-12-23 Bootsman Holding B.V. Position detection system
DE19638912A1 (en) * 1996-09-23 1998-03-26 Teves Gmbh Alfred Position sensor arrangement for rotation angle sensor in motor vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0006973A1 *

Also Published As

Publication number Publication date
BR9912682A (en) 2002-03-26
JP2002521684A (en) 2002-07-16
EP1108198A1 (en) 2001-06-20
KR20010074741A (en) 2001-08-09
CN1311852A (en) 2001-09-05
AUPP482598A0 (en) 1998-08-13
WO2000006973A1 (en) 2000-02-10
CN1175249C (en) 2004-11-10
KR100571346B1 (en) 2006-04-14
CA2338637A1 (en) 2000-02-10
MXPA01000833A (en) 2002-06-04

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