KR102507084B1 - 앱솔루트 인코더 - Google Patents
앱솔루트 인코더 Download PDFInfo
- Publication number
- KR102507084B1 KR102507084B1 KR1020227030014A KR20227030014A KR102507084B1 KR 102507084 B1 KR102507084 B1 KR 102507084B1 KR 1020227030014 A KR1020227030014 A KR 1020227030014A KR 20227030014 A KR20227030014 A KR 20227030014A KR 102507084 B1 KR102507084 B1 KR 102507084B1
- Authority
- KR
- South Korea
- Prior art keywords
- absolute
- image sensor
- scale
- absolute position
- digital signal
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 180
- 238000004364 calculation method Methods 0.000 claims description 52
- 230000010363 phase shift Effects 0.000 claims description 33
- 230000002159 abnormal effect Effects 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 31
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 238000003708 edge detection Methods 0.000 description 56
- 238000010586 diagram Methods 0.000 description 38
- 230000006870 function Effects 0.000 description 28
- 238000009826 distribution Methods 0.000 description 26
- 230000000630 rising effect Effects 0.000 description 16
- 230000005856 abnormality Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
- G01D5/26—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
-
- 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
-
- 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
-
- 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
- G01D5/36—Forming the light into pulses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/032886 WO2022044323A1 (ja) | 2020-08-31 | 2020-08-31 | アブソリュートエンコーダ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20220123761A KR20220123761A (ko) | 2022-09-08 |
KR102507084B1 true KR102507084B1 (ko) | 2023-03-07 |
Family
ID=75638858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020227030014A KR102507084B1 (ko) | 2020-08-31 | 2020-08-31 | 앱솔루트 인코더 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6865915B1 (zh) |
KR (1) | KR102507084B1 (zh) |
CN (1) | CN115210538B (zh) |
TW (2) | TWI800870B (zh) |
WO (1) | WO2022044323A1 (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006170788A (ja) * | 2004-12-15 | 2006-06-29 | Canon Inc | 光学式エンコーダ |
JP2011145118A (ja) * | 2010-01-13 | 2011-07-28 | Mitsubishi Electric Corp | 反射型光学式エンコーダ |
JP2015137955A (ja) * | 2014-01-23 | 2015-07-30 | 三菱電機株式会社 | アブソリュートエンコーダ |
JP2016014574A (ja) * | 2014-07-01 | 2016-01-28 | キヤノン株式会社 | アブソリュートエンコーダ |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02145917A (ja) * | 1988-07-13 | 1990-06-05 | Furuno Electric Co Ltd | ロータリーエンコーダ |
DE4208918A1 (de) * | 1992-03-20 | 1993-09-23 | Siemens Ag | Dreh- oder linearpositionsgebereinrichtung fuer ein bewegliches geraeteteil |
DE102008053985A1 (de) * | 2008-10-30 | 2010-05-06 | Dr. Johannes Heidenhain Gmbh | Absolute Winkelcodierung und Winkelmessvorrichtung |
WO2012029927A1 (ja) * | 2010-09-02 | 2012-03-08 | 株式会社安川電機 | エンコーダ、サーボモータ、及びモータユニット |
JP5787513B2 (ja) | 2010-12-15 | 2015-09-30 | キヤノン株式会社 | アブソリュートロータリーエンコーダ |
WO2013171901A1 (ja) * | 2012-05-18 | 2013-11-21 | 三菱電機株式会社 | 光学式絶対値エンコーダ |
JP5877212B2 (ja) * | 2014-01-10 | 2016-03-02 | キヤノンプレシジョン株式会社 | エンコーダ、エンコーダを用いた装置およびエンコーダ演算プログラム |
JP2015200613A (ja) * | 2014-04-10 | 2015-11-12 | 株式会社安川電機 | エンコーダ、エンコーダ付きモータ、サーボシステム |
CN103983290B (zh) * | 2014-05-06 | 2016-05-11 | 上海精浦机电有限公司 | 复合型绝对值编码器 |
US9605981B1 (en) * | 2015-09-22 | 2017-03-28 | Mitsubishi Electric Corporation | Absolute encoder |
KR20180059515A (ko) * | 2015-11-12 | 2018-06-04 | 오쿠라 유소키 가부시키가이샤 | 검출 장치의 이상 판정 시스템, 검출 장치, 검출 장치의 이상 판정 장치, 및 검출 장치의 이상 판정 방법 |
US20170167891A1 (en) * | 2015-12-10 | 2017-06-15 | Seiko Epson Corporation | Position detecting apparatus |
TWI646311B (zh) * | 2018-01-02 | 2019-01-01 | 大銀微系統股份有限公司 | 光學編碼感測裝置 |
JP2019158850A (ja) * | 2018-03-16 | 2019-09-19 | 富士電機株式会社 | 反射型エンコーダ |
JP2019215306A (ja) * | 2018-06-14 | 2019-12-19 | 多摩川精機株式会社 | 光学式ロータリーエンコーダ |
-
2020
- 2020-08-31 KR KR1020227030014A patent/KR102507084B1/ko active IP Right Grant
- 2020-08-31 JP JP2021504473A patent/JP6865915B1/ja active Active
- 2020-08-31 WO PCT/JP2020/032886 patent/WO2022044323A1/ja active Application Filing
- 2020-08-31 CN CN202080098024.9A patent/CN115210538B/zh active Active
-
2021
- 2021-07-19 TW TW110126372A patent/TWI800870B/zh active
- 2021-07-19 TW TW112100393A patent/TWI830571B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006170788A (ja) * | 2004-12-15 | 2006-06-29 | Canon Inc | 光学式エンコーダ |
JP2011145118A (ja) * | 2010-01-13 | 2011-07-28 | Mitsubishi Electric Corp | 反射型光学式エンコーダ |
JP2015137955A (ja) * | 2014-01-23 | 2015-07-30 | 三菱電機株式会社 | アブソリュートエンコーダ |
JP2016014574A (ja) * | 2014-07-01 | 2016-01-28 | キヤノン株式会社 | アブソリュートエンコーダ |
Also Published As
Publication number | Publication date |
---|---|
TWI800870B (zh) | 2023-05-01 |
KR20220123761A (ko) | 2022-09-08 |
CN115210538A (zh) | 2022-10-18 |
TW202318811A (zh) | 2023-05-01 |
TWI830571B (zh) | 2024-01-21 |
JP6865915B1 (ja) | 2021-04-28 |
CN115210538B (zh) | 2023-04-25 |
TW202210793A (zh) | 2022-03-16 |
WO2022044323A1 (ja) | 2022-03-03 |
JPWO2022044323A1 (zh) | 2022-03-03 |
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