JP4705363B2 - 反射性の円筒形表面を利用したエンコーダ - Google Patents
反射性の円筒形表面を利用したエンコーダ Download PDFInfo
- Publication number
- JP4705363B2 JP4705363B2 JP2004340480A JP2004340480A JP4705363B2 JP 4705363 B2 JP4705363 B2 JP 4705363B2 JP 2004340480 A JP2004340480 A JP 2004340480A JP 2004340480 A JP2004340480 A JP 2004340480A JP 4705363 B2 JP4705363 B2 JP 4705363B2
- Authority
- JP
- Japan
- Prior art keywords
- reflective
- encoder
- drum
- stripe
- track
- 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
Links
Images
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
- G01D5/347—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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/725696 | 2003-12-01 | ||
| US10/725,696 US7265336B2 (en) | 2003-12-01 | 2003-12-01 | Encoder utilizing a reflective cylindrical surface |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005164588A JP2005164588A (ja) | 2005-06-23 |
| JP2005164588A5 JP2005164588A5 (https=) | 2007-07-12 |
| JP4705363B2 true JP4705363B2 (ja) | 2011-06-22 |
Family
ID=34620320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004340480A Expired - Fee Related JP4705363B2 (ja) | 2003-12-01 | 2004-11-25 | 反射性の円筒形表面を利用したエンコーダ |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7265336B2 (https=) |
| JP (1) | JP4705363B2 (https=) |
| CN (1) | CN100510646C (https=) |
| DE (1) | DE102004048237A1 (https=) |
Families Citing this family (61)
| 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 |
| EP1936331A4 (en) * | 2005-10-13 | 2015-12-09 | Hamamatsu Photonics Kk | ENCODER AND LIGHT RECEIVING DEVICE FOR ENCODER |
| KR20090023706A (ko) * | 2006-06-19 | 2009-03-05 | 지에스아이 그룹 코포레이션 | 반사 조명을 이용한 광학 위치 변환기 시스템 및 방법 |
| 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 |
| DE112010005910B4 (de) | 2010-09-28 | 2022-04-21 | Harmonic Drive Systems Inc. | Mit einem Sensormechanismus ausgestatteter Rotationsaktuator und Verbindungseinheit |
| 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 |
| WO2015147756A1 (en) * | 2014-03-27 | 2015-10-01 | Heptagon Micro Optics 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 |
| US10066970B2 (en) | 2014-08-27 | 2018-09-04 | Apple Inc. | Dynamic range control for optical encoders |
| US9797753B1 (en) | 2014-08-27 | 2017-10-24 | Apple Inc. | Spatial phase estimation for optical encoders |
| CN205121417U (zh) | 2014-09-02 | 2016-03-30 | 苹果公司 | 可穿戴电子设备 |
| US10145712B2 (en) | 2014-09-09 | 2018-12-04 | Apple Inc. | Optical encoder including diffuser members |
| US9829350B2 (en) * | 2014-09-09 | 2017-11-28 | Apple Inc. | Magnetically coupled optical encoder |
| 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 |
| US10145711B2 (en) | 2015-03-05 | 2018-12-04 | Apple Inc. | Optical encoder with direction-dependent optical properties having an optically anisotropic region to produce a first and a second light distribution |
| US9651405B1 (en) | 2015-03-06 | 2017-05-16 | Apple Inc. | Dynamic adjustment of a sampling rate for an optical encoder |
| WO2016144919A1 (en) | 2015-03-08 | 2016-09-15 | Apple Inc. | Compressible seal for rotatable and translatable input mechanisms |
| 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 |
| US12259690B2 (en) | 2018-08-24 | 2025-03-25 | Apple Inc. | Watch crown having a conductive surface |
| 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 |
| US11194298B2 (en) | 2018-08-30 | 2021-12-07 | Apple Inc. | Crown assembly for an electronic watch |
| CN209625187U (zh) | 2018-08-30 | 2019-11-12 | 苹果公司 | 电子手表和电子设备 |
| CN115444191B (zh) * | 2018-08-31 | 2025-09-19 | 耐克创新有限合伙公司 | 具有旋转鼓编码器的自动鞋带鞋类马达 |
| 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 |
| US11983035B2 (en) | 2020-06-11 | 2024-05-14 | Apple Inc. | Electronic 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 |
| US12467771B2 (en) * | 2021-03-17 | 2025-11-11 | Ams-Osram Asia Pacific Pte. Ltd. | Rotary encoders |
| 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 |
| US12596334B2 (en) | 2023-02-07 | 2026-04-07 | Apple Inc. | Crown for an electronic watch |
| 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)
| 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 |
| KR900004781B1 (ko) | 1983-12-05 | 1990-07-05 | 이 아이 듀우판 디 네모아 앤드 캄파니 | 광반사형 부호화법 및 부호화기 |
| 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 (https=) * | 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 |
| BR9813820A (pt) * | 1997-12-18 | 2000-10-10 | Petri Ag | Sensor de ângulo de direção absoluto adaptativo |
| 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 |
-
2003
- 2003-12-01 US US10/725,696 patent/US7265336B2/en not_active Expired - Fee Related
-
2004
- 2004-10-04 DE DE102004048237A patent/DE102004048237A1/de not_active Ceased
- 2004-11-25 JP JP2004340480A patent/JP4705363B2/ja not_active Expired - Fee Related
- 2004-12-01 CN CNB2004100912992A patent/CN100510646C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004048237A1 (de) | 2005-06-30 |
| CN1624427A (zh) | 2005-06-08 |
| US20050116153A1 (en) | 2005-06-02 |
| JP2005164588A (ja) | 2005-06-23 |
| CN100510646C (zh) | 2009-07-08 |
| US7265336B2 (en) | 2007-09-04 |
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