JP2005134391A - 反射型画像符号化装置 - Google Patents
反射型画像符号化装置 Download PDFInfo
- Publication number
- JP2005134391A JP2005134391A JP2004310542A JP2004310542A JP2005134391A JP 2005134391 A JP2005134391 A JP 2005134391A JP 2004310542 A JP2004310542 A JP 2004310542A JP 2004310542 A JP2004310542 A JP 2004310542A JP 2005134391 A JP2005134391 A JP 2005134391A
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- JP
- Japan
- Prior art keywords
- emitter
- detector
- encoder
- light
- encoding device
- 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
Links
- 238000003384 imaging method Methods 0.000 claims description 23
- 238000009792 diffusion process Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 16
- 238000005192 partition Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
- G01D5/34715—Scale reading or illumination devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
【解決手段】本発明の一実施例の反射型画像符号化装置は、光を放射するエミッタ(101)と、前記エミッタからの光を反射させる拡散型反射性符号器(120)と、前記符号器から前記反射した光の反転画像を形成する結像レンズ(135)と、前記結像レンズから前記反転画像を受ける検出器(140)とを具備する。
【選択図】図2
Description
120 符号器
135 結像レンズ
138 開口
140 検出器
170 光隔壁
Claims (1)
- 光を放射するエミッタと、前記エミッタからの光を反射させる拡散型反射性符号器と、前記符号器から前記反射した光の反転画像を形成する結像レンズと、前記結像レンズから前記反転画像を受ける検出器とを具備した反射型画像符号化装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/696,247 US7102123B2 (en) | 2003-10-28 | 2003-10-28 | Reflective imaging encoder |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010137182A Division JP4977237B2 (ja) | 2003-10-28 | 2010-06-16 | 反射型画像符号化装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005134391A true JP2005134391A (ja) | 2005-05-26 |
JP2005134391A5 JP2005134391A5 (ja) | 2007-10-18 |
Family
ID=34522878
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004310542A Pending JP2005134391A (ja) | 2003-10-28 | 2004-10-26 | 反射型画像符号化装置 |
JP2010137182A Expired - Fee Related JP4977237B2 (ja) | 2003-10-28 | 2010-06-16 | 反射型画像符号化装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010137182A Expired - Fee Related JP4977237B2 (ja) | 2003-10-28 | 2010-06-16 | 反射型画像符号化装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7102123B2 (ja) |
JP (2) | JP2005134391A (ja) |
CN (1) | CN1661454A (ja) |
DE (1) | DE102004046350A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007121296A (ja) * | 2005-10-26 | 2007-05-17 | Avago Technologies Ecbu Ip (Singapore) Pte Ltd | 種々のエミッター−検出器構成を有する反射型エンコーダ |
JP2011142180A (ja) * | 2010-01-06 | 2011-07-21 | Sharp Corp | 光結合検出装置および電子機器 |
WO2014054420A1 (ja) * | 2012-10-05 | 2014-04-10 | 株式会社村田製作所 | 光センサ |
JP2019211312A (ja) * | 2018-06-04 | 2019-12-12 | コーデンシ株式会社 | 反射型光センサ及びそれを用いた反射型エンコーダ |
US20220373364A1 (en) * | 2019-11-15 | 2022-11-24 | Renishaw Plc | Encoder apparatus |
US12038310B2 (en) * | 2019-11-15 | 2024-07-16 | Renishaw Plc | Encoder apparatus with readhead having circuit board and a folded sheet-metal structure to support a light emitting element |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006038572A (ja) * | 2004-07-26 | 2006-02-09 | Sharp Corp | 反射型エンコーダおよびこの反射型エンコーダを用いた電子機器 |
TWI278604B (en) * | 2004-12-27 | 2007-04-11 | Lite On Technology Corp | Optical encoder |
US7348545B2 (en) * | 2005-06-17 | 2008-03-25 | Avago Technologies Ecbu Ip Pte Ltd | System and method for optical encoding on two opposed surfaces of a pattern medium |
US7784694B2 (en) * | 2005-11-21 | 2010-08-31 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Reflective encoder with lens on code strip |
JP4953653B2 (ja) * | 2006-02-15 | 2012-06-13 | 株式会社ミツトヨ | 光電式エンコーダ |
US20080156973A1 (en) * | 2006-12-29 | 2008-07-03 | Weng Fei Wong | Photosensor array for optical encoder |
US8212202B2 (en) * | 2009-01-08 | 2012-07-03 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Reflective optical encoder package and method |
US20100252722A1 (en) * | 2009-01-27 | 2010-10-07 | Robert Procsal | Optical encoder assembly including collimating reflective surface features |
US8047714B2 (en) | 2009-01-29 | 2011-11-01 | The Invention Science Fund I, Llc | Diagnostic delivery service |
US8130904B2 (en) | 2009-01-29 | 2012-03-06 | The Invention Science Fund I, Llc | Diagnostic delivery service |
US8324602B2 (en) * | 2009-04-14 | 2012-12-04 | Intersil Americas Inc. | Optical sensors that reduce specular reflections |
US8232541B2 (en) * | 2009-04-14 | 2012-07-31 | Intersil Americas Inc. | Optical sensors that reduce specular reflections |
DE102010002902A1 (de) * | 2010-03-16 | 2011-09-22 | Dr. Johannes Heidenhain Gmbh | Abtasteinheit für eine optische Positionsmesseinrichtung |
CN103459991A (zh) * | 2011-01-31 | 2013-12-18 | 维泰克实验室技术股份有限公司 | 具有数字的体积显示的瓶式分配器 |
JP2012242313A (ja) * | 2011-05-23 | 2012-12-10 | Iai:Kk | エンコーダとアクチュエータ |
EP2592392B1 (de) * | 2012-03-09 | 2013-09-04 | Hexagon Technology Center GmbH | Optoelektronische Lagemessvorrichtung |
US20140002642A1 (en) | 2012-06-15 | 2014-01-02 | Elmar SWIEGOT | Absolute position detection |
WO2015053708A1 (en) * | 2013-10-08 | 2015-04-16 | Heptagon Micro Optics Pte. Ltd. | Optical encoder modules |
US9091568B2 (en) | 2013-10-21 | 2015-07-28 | Heptagon Micro Optics Pte. Ltd. | Optical encoder system including a structured code wheel |
KR20160104935A (ko) | 2015-02-27 | 2016-09-06 | 삼성전자주식회사 | 회전체의 회전 인식부 제어 방법 및 그 전자 장치 |
KR20160104950A (ko) | 2015-02-27 | 2016-09-06 | 삼성전자주식회사 | 입력 장치, 이를 구비한 전자 장치 및 그 제어 방법 |
JP6838278B2 (ja) * | 2016-03-28 | 2021-03-03 | セイコーエプソン株式会社 | ロボット |
US10591826B2 (en) * | 2016-04-11 | 2020-03-17 | Nikon Corporation | Encoder head with a birefringent lens element and exposure system utilizing the same |
KR101701419B1 (ko) * | 2016-08-17 | 2017-02-02 | 주식회사 오토닉스 | 반사형 이미지 검출 센서 |
TWI648520B (zh) | 2016-10-21 | 2019-01-21 | 財團法人工業技術研究院 | 光學編碼裝置 |
JP2019082373A (ja) * | 2017-10-30 | 2019-05-30 | セイコーエプソン株式会社 | 光学スケール、エンコーダー、ロボット、電子部品搬送装置、プリンターおよびプロジェクター |
TWI680648B (zh) | 2018-12-26 | 2019-12-21 | 財團法人工業技術研究院 | 編碼盤、檢光器、光學絕對式旋轉編碼器及編碼值輸出、偵錯與除錯的方法 |
TWI716246B (zh) | 2019-12-31 | 2021-01-11 | 財團法人工業技術研究院 | 光學編碼器 |
CN115616679B (zh) * | 2022-09-26 | 2024-04-12 | 广州晨日电子技术有限公司 | 漫反射式探测光幕以及物体检测方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5859595A (ja) * | 1981-10-02 | 1983-04-08 | 株式会社和廣武 | 人工光源装置 |
JPS6410620U (ja) * | 1987-07-10 | 1989-01-20 | ||
JPH01144809U (ja) * | 1988-03-30 | 1989-10-04 | ||
JPH06221874A (ja) * | 1992-11-12 | 1994-08-12 | Hewlett Packard Co <Hp> | 光学式エンコーダ |
JPH07151566A (ja) * | 1993-07-17 | 1995-06-16 | Dr Johannes Heidenhain Gmbh | 測長または測角装置 |
JPH07270186A (ja) * | 1994-03-31 | 1995-10-20 | Keyence Corp | 光学的変位量測定方法及び光学的変位量測定装置 |
JPH09138143A (ja) * | 1995-11-14 | 1997-05-27 | Copal Co Ltd | 光学式エンコーダ |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587513A (en) * | 1984-06-25 | 1986-05-06 | Energy Innovations, Inc. | Noncontact shaft angle detector |
US5001937A (en) * | 1989-11-06 | 1991-03-26 | Tacan Corporation | Optically based torsion sensor |
JPH07202256A (ja) * | 1993-12-28 | 1995-08-04 | Olympus Optical Co Ltd | 光集積型センサ |
US5540108A (en) * | 1994-02-25 | 1996-07-30 | Advanced Mechanical Technology, Inc. | Multi-axis wheel transducer with angular position detector |
US6803560B1 (en) * | 1999-06-10 | 2004-10-12 | Canon Kabushiki Kaisha | Optical encoder |
GB9926574D0 (en) * | 1999-11-11 | 2000-01-12 | Renishaw Plc | Absolute position measurement |
US6621063B2 (en) * | 2001-06-21 | 2003-09-16 | Psc Scanning, Inc. | Omni-directional optical code reader using scheimpflug optics |
US20040061044A1 (en) * | 2002-09-26 | 2004-04-01 | Soar Steven E. | Techniques for reducing encoder sensitivity to optical defects |
US7299991B2 (en) * | 2003-04-08 | 2007-11-27 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Reflective members for use in encoder systems |
US6768101B1 (en) * | 2003-06-04 | 2004-07-27 | Agilent Technologies, Inc. | High resolution optical encoder with an angular collimated light beam |
-
2003
- 2003-10-28 US US10/696,247 patent/US7102123B2/en not_active Expired - Lifetime
-
2004
- 2004-09-24 DE DE102004046350A patent/DE102004046350A1/de not_active Ceased
- 2004-10-26 JP JP2004310542A patent/JP2005134391A/ja active Pending
- 2004-10-26 CN CN200410080989.8A patent/CN1661454A/zh active Pending
-
2010
- 2010-06-16 JP JP2010137182A patent/JP4977237B2/ja not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5859595A (ja) * | 1981-10-02 | 1983-04-08 | 株式会社和廣武 | 人工光源装置 |
JPS6410620U (ja) * | 1987-07-10 | 1989-01-20 | ||
JPH01144809U (ja) * | 1988-03-30 | 1989-10-04 | ||
JPH06221874A (ja) * | 1992-11-12 | 1994-08-12 | Hewlett Packard Co <Hp> | 光学式エンコーダ |
JPH07151566A (ja) * | 1993-07-17 | 1995-06-16 | Dr Johannes Heidenhain Gmbh | 測長または測角装置 |
JPH07270186A (ja) * | 1994-03-31 | 1995-10-20 | Keyence Corp | 光学的変位量測定方法及び光学的変位量測定装置 |
JPH09138143A (ja) * | 1995-11-14 | 1997-05-27 | Copal Co Ltd | 光学式エンコーダ |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007121296A (ja) * | 2005-10-26 | 2007-05-17 | Avago Technologies Ecbu Ip (Singapore) Pte Ltd | 種々のエミッター−検出器構成を有する反射型エンコーダ |
JP2011142180A (ja) * | 2010-01-06 | 2011-07-21 | Sharp Corp | 光結合検出装置および電子機器 |
WO2014054420A1 (ja) * | 2012-10-05 | 2014-04-10 | 株式会社村田製作所 | 光センサ |
KR20150052235A (ko) * | 2012-10-05 | 2015-05-13 | 가부시키가이샤 무라타 세이사쿠쇼 | 광 센서 |
JP5949931B2 (ja) * | 2012-10-05 | 2016-07-13 | 株式会社村田製作所 | 光センサ |
JPWO2014054420A1 (ja) * | 2012-10-05 | 2016-08-25 | 株式会社村田製作所 | 光センサ |
KR101659549B1 (ko) * | 2012-10-05 | 2016-09-23 | 가부시키가이샤 무라타 세이사쿠쇼 | 광 센서 |
US10261182B2 (en) | 2012-10-05 | 2019-04-16 | Murata Manufacturing Co., Ltd. | Optical sensor |
JP2019211312A (ja) * | 2018-06-04 | 2019-12-12 | コーデンシ株式会社 | 反射型光センサ及びそれを用いた反射型エンコーダ |
JP7054914B2 (ja) | 2018-06-04 | 2022-04-15 | コーデンシ株式会社 | 反射型光センサ及びそれを用いた反射型エンコーダ |
US20220373364A1 (en) * | 2019-11-15 | 2022-11-24 | Renishaw Plc | Encoder apparatus |
US12038310B2 (en) * | 2019-11-15 | 2024-07-16 | Renishaw Plc | Encoder apparatus with readhead having circuit board and a folded sheet-metal structure to support a light emitting element |
Also Published As
Publication number | Publication date |
---|---|
US7102123B2 (en) | 2006-09-05 |
DE102004046350A1 (de) | 2005-06-16 |
CN1661454A (zh) | 2005-08-31 |
US20050087681A1 (en) | 2005-04-28 |
JP2010266450A (ja) | 2010-11-25 |
JP4977237B2 (ja) | 2012-07-18 |
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