CN102538849B - 高分辨率、高速、单一码道光学编码器 - Google Patents
高分辨率、高速、单一码道光学编码器 Download PDFInfo
- Publication number
- CN102538849B CN102538849B CN201110350594.5A CN201110350594A CN102538849B CN 102538849 B CN102538849 B CN 102538849B CN 201110350594 A CN201110350594 A CN 201110350594A CN 102538849 B CN102538849 B CN 102538849B
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- resistor ladder
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- 238000000034 method Methods 0.000 abstract description 16
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Classifications
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- 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
- H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
- H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
- H03M1/203—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit
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- 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
- G01D5/24404—Interpolation using high frequency 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
- G01D5/12—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
- G01D5/24471—Error correction
- G01D5/24476—Signal processing
-
- 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
-
- 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
- H03M1/303—Circuits or methods for processing the quadrature signals
- H03M1/306—Circuits or methods for processing the quadrature signals for waveshaping
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/916,579 US8841600B2 (en) | 2010-10-31 | 2010-10-31 | Hysteresis-compensating interpolation circuits in optical encoders |
US12/916,579 | 2010-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102538849A CN102538849A (zh) | 2012-07-04 |
CN102538849B true CN102538849B (zh) | 2015-01-07 |
Family
ID=45935813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110350594.5A Expired - Fee Related CN102538849B (zh) | 2010-10-31 | 2011-10-31 | 高分辨率、高速、单一码道光学编码器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8841600B2 (zh) |
CN (1) | CN102538849B (zh) |
DE (1) | DE102011081676A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109084814A (zh) * | 2017-06-13 | 2018-12-25 | 发那科株式会社 | 具有调整比较器的阈值的功能的编码器及编码器控制方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016197044A (ja) * | 2015-04-03 | 2016-11-24 | 株式会社ミツトヨ | 位相調整器及びエンコーダ |
US10551223B2 (en) * | 2017-03-20 | 2020-02-04 | Tt Electronics Plc | Method and apparatus for configurable photodetector array patterning for optical encoders |
US20190212172A1 (en) * | 2018-01-09 | 2019-07-11 | Tt Electronics Plc | Absolute Optical Encoders Using Programmable Photodetector Array |
US10886932B2 (en) | 2018-09-11 | 2021-01-05 | Tt Electronics Plc | Method and apparatus for alignment adjustment of encoder systems |
US11378422B2 (en) * | 2018-11-05 | 2022-07-05 | Tt Electronics Plc | Method and apparatus for improved performance in encoder systems by configuring a detector array using a partition map and assigning weights to output currents of the detector array |
US11644345B2 (en) * | 2021-04-26 | 2023-05-09 | Pixart Imaging Inc. | Optical encoder capable of regulating gain of index output |
US11885828B2 (en) | 2021-04-26 | 2024-01-30 | Pixart Imaging Inc. | Optical encoder with changeable comparator hysteresis and operating method thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4342910A (en) * | 1980-09-05 | 1982-08-03 | General Electric Company | Optoelectronic absolute position encoder with an in-line gray code controlling vehicle acceleration |
US5068529A (en) * | 1988-12-22 | 1991-11-26 | Nikon Corporation | Absolute position detection encoder |
CN1202765A (zh) * | 1997-04-28 | 1998-12-23 | 株式会社三丰 | 编码器的内插电路 |
TW546469B (en) * | 1999-08-20 | 2003-08-11 | Agilent Technologies Inc | Interpolation methods and circuits |
CN1437086A (zh) * | 2002-02-08 | 2003-08-20 | 精工爱普生株式会社 | 基准电压发生电路和方法、显示驱动电路、显示装置 |
CN1683907A (zh) * | 2004-04-14 | 2005-10-19 | 夏普株式会社 | 光学式编码器以及具有该编码器的电子机器 |
CN1924527A (zh) * | 2005-08-31 | 2007-03-07 | 安华高科技Ecbuip(新加坡)私人有限公司 | 具有集成索引通道的光学编码器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9422911D0 (en) | 1994-11-14 | 1995-01-04 | Moonstone Technology Ltd | Capacitive touch detectors |
US7663607B2 (en) | 2004-05-06 | 2010-02-16 | Apple Inc. | Multipoint touchscreen |
US6297811B1 (en) | 1999-06-02 | 2001-10-02 | Elo Touchsystems, Inc. | Projective capacitive touchscreen |
US7176897B2 (en) | 2002-05-17 | 2007-02-13 | 3M Innovative Properties Company | Correction of memory effect errors in force-based touch panel systems |
US6816091B1 (en) | 2003-12-18 | 2004-11-09 | Agilent Technologies, Inc. | Interpolator |
US20070074913A1 (en) | 2005-10-05 | 2007-04-05 | Geaghan Bernard O | Capacitive touch sensor with independently adjustable sense channels |
-
2010
- 2010-10-31 US US12/916,579 patent/US8841600B2/en active Active
-
2011
- 2011-08-26 DE DE102011081676A patent/DE102011081676A1/de not_active Withdrawn
- 2011-10-31 CN CN201110350594.5A patent/CN102538849B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4342910A (en) * | 1980-09-05 | 1982-08-03 | General Electric Company | Optoelectronic absolute position encoder with an in-line gray code controlling vehicle acceleration |
US5068529A (en) * | 1988-12-22 | 1991-11-26 | Nikon Corporation | Absolute position detection encoder |
CN1202765A (zh) * | 1997-04-28 | 1998-12-23 | 株式会社三丰 | 编码器的内插电路 |
TW546469B (en) * | 1999-08-20 | 2003-08-11 | Agilent Technologies Inc | Interpolation methods and circuits |
CN1437086A (zh) * | 2002-02-08 | 2003-08-20 | 精工爱普生株式会社 | 基准电压发生电路和方法、显示驱动电路、显示装置 |
CN1683907A (zh) * | 2004-04-14 | 2005-10-19 | 夏普株式会社 | 光学式编码器以及具有该编码器的电子机器 |
CN1924527A (zh) * | 2005-08-31 | 2007-03-07 | 安华高科技Ecbuip(新加坡)私人有限公司 | 具有集成索引通道的光学编码器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109084814A (zh) * | 2017-06-13 | 2018-12-25 | 发那科株式会社 | 具有调整比较器的阈值的功能的编码器及编码器控制方法 |
CN109084814B (zh) * | 2017-06-13 | 2019-12-17 | 发那科株式会社 | 具有调整比较器的阈值的功能的编码器及编码器控制方法 |
Also Published As
Publication number | Publication date |
---|---|
US20120104236A1 (en) | 2012-05-03 |
CN102538849A (zh) | 2012-07-04 |
US8841600B2 (en) | 2014-09-23 |
DE102011081676A1 (de) | 2012-05-03 |
DE102011081676A8 (de) | 2012-07-26 |
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Owner name: AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) CORPORAT Free format text: FORMER OWNER: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD. Effective date: 20130514 |
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Effective date of registration: 20181019 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. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20150107 Termination date: 20191031 |