CN100510646C - 利用反射圆柱形表面的编码器 - Google Patents

利用反射圆柱形表面的编码器 Download PDF

Info

Publication number
CN100510646C
CN100510646C CNB2004100912992A CN200410091299A CN100510646C CN 100510646 C CN100510646 C CN 100510646C CN B2004100912992 A CNB2004100912992 A CN B2004100912992A CN 200410091299 A CN200410091299 A CN 200410091299A CN 100510646 C CN100510646 C CN 100510646C
Authority
CN
China
Prior art keywords
drum
photodetector
light source
encoder
reflective
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
CNB2004100912992A
Other languages
English (en)
Chinese (zh)
Other versions
CN1624427A (zh
Inventor
俊也畑口
陈日隆
胡国兴
斯里尼瓦桑·拉克什曼阿曼
蔡莱兴
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.)
Anhua High Technology Ecbuip Singapore Private Ltd
Avago Technologies International Sales Pte Ltd
Original Assignee
Avago Technologies ECBU IP Singapore Pte 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 Avago Technologies ECBU IP Singapore Pte Ltd filed Critical Avago Technologies ECBU IP Singapore Pte Ltd
Publication of CN1624427A publication Critical patent/CN1624427A/zh
Application granted granted Critical
Publication of CN100510646C publication Critical patent/CN100510646C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/3473Circular or rotary encoders
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34707Scales; Discs, e.g. fixation, fabrication, compensation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
CNB2004100912992A 2003-12-01 2004-12-01 利用反射圆柱形表面的编码器 Expired - Fee Related CN100510646C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/725,696 2003-12-01
US10/725,696 US7265336B2 (en) 2003-12-01 2003-12-01 Encoder utilizing a reflective cylindrical surface

Publications (2)

Publication Number Publication Date
CN1624427A CN1624427A (zh) 2005-06-08
CN100510646C true CN100510646C (zh) 2009-07-08

Family

ID=34620320

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100912992A Expired - Fee Related CN100510646C (zh) 2003-12-01 2004-12-01 利用反射圆柱形表面的编码器

Country Status (4)

Country Link
US (1) US7265336B2 (enExample)
JP (1) JP4705363B2 (enExample)
CN (1) CN100510646C (enExample)
DE (1) DE102004048237A1 (enExample)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004035172A1 (de) * 2004-07-16 2006-02-09 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
US7135673B2 (en) * 2004-10-29 2006-11-14 The Boeing Company Imaging rotation angle absolute encoder
JP4724496B2 (ja) * 2005-08-29 2011-07-13 キヤノン株式会社 光学式エンコーダ
JP2007076027A (ja) * 2005-09-12 2007-03-29 Seiko Epson Corp 位置検出装置およびこの位置検出装置を備える液体吐出装置
CN100578155C (zh) * 2005-10-13 2010-01-06 浜松光子学株式会社 编码器以及编码器用受光装置
WO2008054879A1 (en) * 2006-06-19 2008-05-08 Gsi Group Corporation Optical position transducer system and method employing reflected illumination
JP2008096205A (ja) * 2006-10-10 2008-04-24 Hamamatsu Photonics Kk エンコーダ及びエンコーダ用受光装置
US7546689B2 (en) * 2007-07-09 2009-06-16 Hexagon Metrology Ab Joint for coordinate measurement device
US8042412B2 (en) * 2008-06-25 2011-10-25 General Electric Company Turbomachinery system fiberoptic multi-parameter sensing system and method
WO2012042562A1 (ja) 2010-09-28 2012-04-05 株式会社ハーモニック・ドライブ・システムズ 検出機構付き旋回アクチュエータおよび関節ユニット
CN102435216B (zh) * 2011-09-15 2014-03-19 成都伊贝基科技有限公司 高精度编码器
US9542016B2 (en) 2012-09-13 2017-01-10 Apple Inc. Optical sensing mechanisms for input devices
JP5595550B2 (ja) 2012-10-26 2014-09-24 シチズン千葉精密株式会社 位置変換器
US9753436B2 (en) 2013-06-11 2017-09-05 Apple Inc. Rotary input mechanism for an electronic device
JP6345782B2 (ja) 2013-08-09 2018-06-20 アップル インコーポレイテッド 電子デバイス用のタクタイルスイッチ
WO2015088492A1 (en) 2013-12-10 2015-06-18 Apple Inc. Input friction mechanism for rotary inputs of electronic devices
WO2015122885A1 (en) 2014-02-12 2015-08-20 Bodhi Technology Ventures Llc Rejection of false turns of rotary inputs for electronic devices
US10317254B2 (en) 2014-03-27 2019-06-11 Ams Sensors Singapore Pte. Ltd. Optical encoder system
US9797752B1 (en) 2014-07-16 2017-10-24 Apple Inc. Optical encoder with axially aligned sensor
US10190891B1 (en) 2014-07-16 2019-01-29 Apple Inc. Optical encoder for detecting rotational and axial movement
US9797753B1 (en) 2014-08-27 2017-10-24 Apple Inc. Spatial phase estimation for optical encoders
US10066970B2 (en) 2014-08-27 2018-09-04 Apple Inc. Dynamic range control for optical encoders
KR102130259B1 (ko) 2014-09-02 2020-07-03 애플 인크. 웨어러블 전자 디바이스
US9829350B2 (en) * 2014-09-09 2017-11-28 Apple Inc. Magnetically coupled optical encoder
US10145712B2 (en) 2014-09-09 2018-12-04 Apple Inc. Optical encoder including diffuser members
JP6614883B2 (ja) * 2014-12-01 2019-12-04 キヤノン株式会社 操作部材及び電子機器
JP6515185B2 (ja) 2015-03-05 2019-05-15 アップル インコーポレイテッドApple Inc. 方向依存光学特性を有する光学エンコーダを有する時計、手首装着型電子デバイス及びウェラブル電子デバイス
US9651405B1 (en) 2015-03-06 2017-05-16 Apple Inc. Dynamic adjustment of a sampling rate for an optical encoder
KR101993073B1 (ko) 2015-03-08 2019-06-25 애플 인크. 회전가능 및 병진가능한 입력 메커니즘을 위한 압축성 밀봉부
US9952682B2 (en) 2015-04-15 2018-04-24 Apple Inc. Depressible keys with decoupled electrical and mechanical functionality
US10018966B2 (en) 2015-04-24 2018-07-10 Apple Inc. Cover member for an input mechanism of an electronic device
CN105004358A (zh) * 2015-08-14 2015-10-28 成都伊贝基科技有限公司 光磁混合式编码器
US10503271B2 (en) 2015-09-30 2019-12-10 Apple Inc. Proximity detection for an input mechanism of an electronic device
US9891651B2 (en) 2016-02-27 2018-02-13 Apple Inc. Rotatable input mechanism having adjustable output
US10551798B1 (en) 2016-05-17 2020-02-04 Apple Inc. Rotatable crown for an electronic device
US10061399B2 (en) 2016-07-15 2018-08-28 Apple Inc. Capacitive gap sensor ring for an input device
US10019097B2 (en) 2016-07-25 2018-07-10 Apple Inc. Force-detecting input structure
JP6658647B2 (ja) * 2017-03-28 2020-03-04 京セラドキュメントソリューションズ株式会社 給紙装置及び画像形成装置
US10664074B2 (en) 2017-06-19 2020-05-26 Apple Inc. Contact-sensitive crown for an electronic watch
US10962935B1 (en) 2017-07-18 2021-03-30 Apple Inc. Tri-axis force sensor
US10203662B1 (en) 2017-09-25 2019-02-12 Apple Inc. Optical position sensor for a crown
US11360440B2 (en) 2018-06-25 2022-06-14 Apple Inc. Crown for an electronic watch
US11561515B2 (en) 2018-08-02 2023-01-24 Apple Inc. Crown for an electronic watch
US11181863B2 (en) 2018-08-24 2021-11-23 Apple Inc. Conductive cap for watch crown
CN209560398U (zh) 2018-08-24 2019-10-29 苹果公司 电子表
US12259690B2 (en) 2018-08-24 2025-03-25 Apple Inc. Watch crown having a conductive surface
CN209625187U (zh) 2018-08-30 2019-11-12 苹果公司 电子手表和电子设备
US11194298B2 (en) 2018-08-30 2021-12-07 Apple Inc. Crown assembly for an electronic watch
KR102520056B1 (ko) * 2018-08-31 2023-04-10 나이키 이노베이트 씨.브이. 회전식 드럼 인코더를 구비한 오토레이싱 신발류 모터
US11194299B1 (en) 2019-02-12 2021-12-07 Apple Inc. Variable frictional feedback device for a digital crown of an electronic watch
US11550268B2 (en) 2020-06-02 2023-01-10 Apple Inc. Switch module for electronic crown assembly
US11635786B2 (en) 2020-06-11 2023-04-25 Apple Inc. Electronic optical sensing device
CN111623805B (zh) * 2020-06-18 2024-05-28 中国科学院苏州生物医学工程技术研究所 适用于微型轴旋转测量的超声旋转编码器
KR20230154275A (ko) * 2021-03-17 2023-11-07 에이엠에스-오스람 아시아 퍼시픽 피티이. 리미티드 로터리 인코더들
US12092996B2 (en) 2021-07-16 2024-09-17 Apple Inc. Laser-based rotation sensor for a crown of an electronic watch
CN115128585A (zh) * 2022-04-08 2022-09-30 江苏科技大学 一种水下目标声回波调控装置及其使用方法
US12189347B2 (en) 2022-06-14 2025-01-07 Apple Inc. Rotation sensor for a crown of an electronic watch
CN115931016A (zh) * 2023-01-16 2023-04-07 传周半导体科技(上海)有限公司 一种适用于光学编码器的新型光源系统
US12054359B1 (en) * 2023-07-12 2024-08-06 Otis Elevator Company Roller guide mounted elevator monitoring systems
EP4550056A1 (en) * 2023-11-06 2025-05-07 Zhuhai Pantum Electronics Co., Ltd. Developer supply control device and image forming device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124839A (en) * 1976-12-23 1978-11-07 Cohen Murray F Electro-optical method and system especially suited for remote meter reading
JPS5734457A (en) * 1980-08-08 1982-02-24 Nec Corp Rotation measuring apparatus
EP0146303B1 (en) 1983-12-05 1991-09-25 E.I. Du Pont De Nemours And Company Light-reflector type encoding method and the encoder
JP2709088B2 (ja) 1988-08-24 1998-02-04 株式会社リコー 回転量測定方法
US5471054A (en) * 1991-09-30 1995-11-28 Nf. T&M. Systems, Inc. Encoder for providing calibrated measurement capability of rotation or linear movement of an object, label medium and an optical identification system
US5734108A (en) * 1992-04-10 1998-03-31 Walker; Dana A. System for sensing shaft displacement and strain
TW227601B (enExample) * 1993-01-25 1994-08-01 Gen Electric
JPH08254439A (ja) * 1995-03-16 1996-10-01 Mitsubishi Heavy Ind Ltd 光学式ロータリエンコーダ
DE19705312B4 (de) 1997-02-13 2009-04-16 Takata-Petri Ag Adaptiver Lenkwinkelsensor für Fahrzeuge
DE19758104B4 (de) 1997-02-13 2010-04-15 Takata-Petri Ag Adaptiver absoluter Lenkwinkelsensor
US6759648B2 (en) * 1997-08-15 2004-07-06 Bishop Innovation Limited Sensor for sensing absolute angular position of a rotatable body
ES2177137T3 (es) * 1997-12-18 2002-12-01 Takata Petri Ag Sensor adaptable del angulo de direccion absoluto.
US6587211B1 (en) * 1999-07-28 2003-07-01 Creo Srl Interferometric torque and power sensor
ES2293878T3 (es) * 1999-09-28 2008-04-01 Snap-On Equipment Gmbh Maquina de equilibrado de ruedas para una rueda de automovil con codificador angular compacto.
US6448996B2 (en) * 2000-02-04 2002-09-10 Fuji Photo Film Co., Ltd. Image recording apparatus and method of generating pixel clock
US6817528B2 (en) * 2001-07-17 2004-11-16 Honeywell International Inc. Reflective apparatus and method for optically sensing relative torque employing Moirè fringes

Also Published As

Publication number Publication date
JP2005164588A (ja) 2005-06-23
CN1624427A (zh) 2005-06-08
US7265336B2 (en) 2007-09-04
DE102004048237A1 (de) 2005-06-30
US20050116153A1 (en) 2005-06-02
JP4705363B2 (ja) 2011-06-22

Similar Documents

Publication Publication Date Title
CN100510646C (zh) 利用反射圆柱形表面的编码器
JP5064049B2 (ja) バックグラウンドノイズを低減した反射型エンコーダ
CN102483336B (zh) 旋转角度传感器中测量道偏心的光学补偿装置及方法
JP5538870B2 (ja) ロータリーエンコーダ
US9417101B2 (en) Optical encoder with a scale that has fine and coarse pitch patterns
KR102377478B1 (ko) 광학 회전각 측정 시스템
GB2197146A (en) Optically detecting position of object
CN102308186B (zh) 光电位置测量装置和光电位置测量方法
US7183537B2 (en) Rotary position sensor with offset beam generating element and elliptical detector array
JPH06221874A (ja) 光学式エンコーダ
EP0801724B1 (en) Opto-electronic rotary encoder
JPS63234729A (ja) 位置検出装置
US20050236560A1 (en) Absolute encoder
US4819051A (en) Compensated rotary position encoder
JP2690680B2 (ja) 光電式エンコーダ
CN112585431A (zh) 线性和旋转多轨道绝对位置编码器及其使用方法
JP4898906B2 (ja) ロータリエンコーダ装置
JP2011145118A (ja) 反射型光学式エンコーダ
JP7544452B2 (ja) 光学エンコーダ
JP3198789B2 (ja) 光学式エンコーダ
JP3738742B2 (ja) 光学式絶対値エンコーダ及び移動装置
JPH08233608A (ja) 光学式エンコーダ
KR101227125B1 (ko) 광학식 엔코더 및 이를 이용한 변위 측정 방법
US20070120048A1 (en) Reflective encoder module
JPH05256666A (ja) ロータリーエンコーダー

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: ANHUA HIGH SCIENCE ECBU IP (SINGAPORE)PRIVATE CO.

Free format text: FORMER OWNER: AVAGO TECHNOLOGIES GENERAL IP

Effective date: 20061117

Owner name: AVAGO TECHNOLOGIES GENERAL IP

Free format text: FORMER OWNER: ANJELEN SCI. + TECH. INC.

Effective date: 20061117

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20061117

Address after: Singapore Singapore

Applicant after: ANHUA HIGH TECHNOLOGY ECBUIP (SINGAPORE) PRIVATE Ltd.

Address before: Singapore Singapore

Applicant before: Avago Technologies General IP (Singapore) Pte. Ltd.

Effective date of registration: 20061117

Address after: Singapore Singapore

Applicant after: Avago Technologies General IP (Singapore) Pte. Ltd.

Address before: California, USA

Applicant before: AGILENT TECHNOLOGIES, Inc.

C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090708

Termination date: 20121201