CN1924527B - 具有集成索引通道的光学编码器 - Google Patents
具有集成索引通道的光学编码器 Download PDFInfo
- Publication number
- CN1924527B CN1924527B CN2006101099965A CN200610109996A CN1924527B CN 1924527 B CN1924527 B CN 1924527B CN 2006101099965 A CN2006101099965 A CN 2006101099965A CN 200610109996 A CN200610109996 A CN 200610109996A CN 1924527 B CN1924527 B CN 1924527B
- Authority
- CN
- China
- Prior art keywords
- pattern
- encoder
- index
- output
- detector array
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 148
- 238000002310 reflectometry Methods 0.000 claims abstract description 11
- 238000002834 transmittance Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000009466 transformation 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
- G01D5/34776—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
- G01D5/34794—Optical encoders using the Vernier principle, i.e. incorporating two or more tracks having a (n, n+1, ...) relationship
-
- 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
-
- 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
-
- 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
- H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/218,225 | 2005-08-31 | ||
US11/218,225 US7394061B2 (en) | 2005-08-31 | 2005-08-31 | Optical encoder with integrated index channel |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1924527A CN1924527A (zh) | 2007-03-07 |
CN1924527B true CN1924527B (zh) | 2010-10-27 |
Family
ID=37102753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101099965A Expired - Fee Related CN1924527B (zh) | 2005-08-31 | 2006-08-30 | 具有集成索引通道的光学编码器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7394061B2 (zh) |
JP (1) | JP5063963B2 (zh) |
KR (1) | KR20070026137A (zh) |
CN (1) | CN1924527B (zh) |
GB (1) | GB2429858B (zh) |
TW (1) | TWI325952B (zh) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8264942B2 (en) * | 2005-10-26 | 2012-09-11 | Hewlett-Packard Development Company, L.P. | Optical disc embossed features |
US7385178B2 (en) | 2005-10-26 | 2008-06-10 | Avago Technologies Ecbu Ip Pte Ltd | Reflective encoders with various emitter-detector configurations |
JP4387437B2 (ja) * | 2007-06-20 | 2009-12-16 | シャープ株式会社 | 光学式エンコーダおよび電子機器 |
US7943897B2 (en) * | 2007-06-20 | 2011-05-17 | Sharp Kabushiki Kaisha | Optical encoder and electronic equipment |
US7820957B2 (en) | 2007-07-05 | 2010-10-26 | Sharp Kabushiki Kaisha | Optical encoder for detecting movement of a moving object and electronic equipment including the optical encoder |
US8173950B2 (en) * | 2008-02-19 | 2012-05-08 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Single track optical encoder |
US20090207450A1 (en) | 2008-02-19 | 2009-08-20 | Kabushiki Kaisha Toshiba | Image scanning apparatus, shading correction method, and shading correction program |
CN101377424B (zh) * | 2008-09-28 | 2010-09-22 | 华为终端有限公司 | 一种位置检测装置 |
US7795576B2 (en) * | 2008-12-23 | 2010-09-14 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Single dome lens reflective optical encoder |
JP5666126B2 (ja) * | 2008-12-23 | 2015-02-12 | アバゴ・テクノロジーズ・ジェネラル・アイピー(シンガポール)プライベート・リミテッド | 単一トラック式光学エンコーダ |
US8212202B2 (en) | 2009-01-08 | 2012-07-03 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Reflective optical encoder package and method |
JP2010256081A (ja) * | 2009-04-22 | 2010-11-11 | Fujifilm Corp | 光学式位置検出器及び光学装置 |
EP2386832B1 (en) * | 2010-05-10 | 2017-04-12 | Mitutoyo Corporation | Photoelectric encoder |
US8330098B2 (en) * | 2010-07-07 | 2012-12-11 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | High resolution, high speed, miniaturized optical encoder |
US8841600B2 (en) | 2010-10-31 | 2014-09-23 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Hysteresis-compensating interpolation circuits in optical encoders |
US8525102B2 (en) * | 2011-02-15 | 2013-09-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Optical encoding system and optical encoder having an array of incremental photodiodes and an index photodiode for use in an optical encoding system |
US10670431B2 (en) * | 2015-09-09 | 2020-06-02 | Renishaw Plc | Encoder apparatus that includes a scale and a readhead that are movable relative to each other configured to reduce the adverse effect of undesirable frequencies in the scale signal to reduce the encoder sub-divisional error |
US10724877B2 (en) * | 2017-10-23 | 2020-07-28 | Mitutoyo Corporation | Compact pseudorandom scale and read head for an inductive type absolute position encoder |
CN109040373B (zh) * | 2018-09-07 | 2021-04-27 | Oppo广东移动通信有限公司 | 移动终端 |
KR102200971B1 (ko) | 2019-12-27 | 2021-01-11 | 알에스오토메이션주식회사 | 광학 엔코더 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4691101A (en) * | 1985-06-19 | 1987-09-01 | Hewlett-Packard Company | Optical positional encoder comprising immediately adjacent detectors |
US5241172A (en) * | 1991-11-04 | 1993-08-31 | Hewlett-Packard Company | Variable pitch position encoder |
CN1311852A (zh) * | 1998-07-24 | 2001-09-05 | 毕晓普创新有限公司 | 角度编码器 |
US20050006571A1 (en) * | 2003-07-09 | 2005-01-13 | Keong Chong Chee | Vernier-scaled high-resolution encoder |
US20050078015A1 (en) * | 2003-10-10 | 2005-04-14 | Jordi Ferran | Encoding system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61162712A (ja) * | 1985-01-12 | 1986-07-23 | Matsushita Electric Works Ltd | 光学式ロ−タリエンコ−ダ |
JPH0367122A (ja) * | 1989-08-04 | 1991-03-22 | Sharp Corp | 回転角検出装置 |
-
2005
- 2005-08-31 US US11/218,225 patent/US7394061B2/en not_active Expired - Fee Related
-
2006
- 2006-08-23 GB GB0616767A patent/GB2429858B/en not_active Expired - Fee Related
- 2006-08-24 TW TW095131136A patent/TWI325952B/zh not_active IP Right Cessation
- 2006-08-30 JP JP2006233020A patent/JP5063963B2/ja not_active Expired - Fee Related
- 2006-08-30 CN CN2006101099965A patent/CN1924527B/zh not_active Expired - Fee Related
- 2006-08-30 KR KR1020060082758A patent/KR20070026137A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4691101A (en) * | 1985-06-19 | 1987-09-01 | Hewlett-Packard Company | Optical positional encoder comprising immediately adjacent detectors |
US5241172A (en) * | 1991-11-04 | 1993-08-31 | Hewlett-Packard Company | Variable pitch position encoder |
CN1311852A (zh) * | 1998-07-24 | 2001-09-05 | 毕晓普创新有限公司 | 角度编码器 |
US20050006571A1 (en) * | 2003-07-09 | 2005-01-13 | Keong Chong Chee | Vernier-scaled high-resolution encoder |
US20050078015A1 (en) * | 2003-10-10 | 2005-04-14 | Jordi Ferran | Encoding system |
Also Published As
Publication number | Publication date |
---|---|
US20070045526A1 (en) | 2007-03-01 |
KR20070026137A (ko) | 2007-03-08 |
US7394061B2 (en) | 2008-07-01 |
TW200716952A (en) | 2007-05-01 |
CN1924527A (zh) | 2007-03-07 |
JP5063963B2 (ja) | 2012-10-31 |
TWI325952B (en) | 2010-06-11 |
JP2007064981A (ja) | 2007-03-15 |
GB2429858A (en) | 2007-03-07 |
GB0616767D0 (en) | 2006-10-04 |
GB2429858B (en) | 2009-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1924527B (zh) | 具有集成索引通道的光学编码器 | |
CN1975340B (zh) | 具有正弦型光检测器输出信号的光学编码器 | |
CN101055194B (zh) | 平顶的基于反射的光学编码器 | |
US7446306B2 (en) | Photoelectric encoder having multiple light-receiving elements | |
EP0629315B1 (en) | Integrated solid state light emitting and detecting array and apparatus employing said array | |
US20070246646A1 (en) | Optical projection encoder | |
CN100523738C (zh) | 一种用于刻度尺读取设备的刻度尺 | |
US10094397B2 (en) | Optical sensor, in particular for a cylinder, and application | |
CN101762289A (zh) | 单码道光学编码器 | |
ATE527522T1 (de) | Fotodiodensensorarray mit mehrfachauflösung für eine optische kodiervorrichtung | |
US7377435B2 (en) | Optical encoder | |
KR20150126004A (ko) | 화상 판독 장치 | |
US6822219B1 (en) | Timing device | |
CN1530630A (zh) | 用于扫描刻度体的扫描单元 | |
US7534993B2 (en) | Position-measuring device | |
EP2963907B1 (en) | Information-reading component and information-reading device utilizing same | |
TWI497103B (zh) | 透明介質偵測技術及應用 | |
JP3465483B2 (ja) | エンコーダ装置 | |
WO2020046242A2 (en) | A sensor and safety system operated with this sensor | |
EP2163860B2 (en) | Optoelectronic measuring device | |
JP4082321B2 (ja) | 光学的情報読取装置 | |
JP4416513B2 (ja) | 電子的なイメージ評価システムのためのイメージの評価方法 | |
US7423768B2 (en) | Scanning unit for a position measuring system for the optical scanning of a scale and position measuring system utilizing such a scanning unit | |
US20070241269A1 (en) | Optical encoders having improved resolution | |
JPH02253104A (ja) | 受光素子およびこれを用いた位置検出センサとカードリーダ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Effective date: 20130508 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130508 Address after: Singapore Singapore Patentee after: Avago Technologies Fiber IP Singapore Pte. Ltd. Address before: Singapore Singapore Patentee before: Avago Technologies ECBU IP (Singapore) Sdn Bhd |
|
TR01 | Transfer of patent right |
Effective date of registration: 20181012 Address after: Singapore Singapore Patentee after: Annwa high tech Limited by Share Ltd Address before: Singapore Singapore Patentee before: Avago Technologies Fiber IP Singapore Pte. Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20190830 |
|
CF01 | Termination of patent right due to non-payment of annual fee |