JP2007010426A - エンコーダ装置 - Google Patents
エンコーダ装置 Download PDFInfo
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- JP2007010426A JP2007010426A JP2005190137A JP2005190137A JP2007010426A JP 2007010426 A JP2007010426 A JP 2007010426A JP 2005190137 A JP2005190137 A JP 2005190137A JP 2005190137 A JP2005190137 A JP 2005190137A JP 2007010426 A JP2007010426 A JP 2007010426A
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- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007423 decrease Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 9
- 230000000630 rising effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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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
- G01D5/34746—Linear encoders
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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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
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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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
- G01D5/34715—Scale reading or illumination devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
【解決手段】 菱形の対向する一対の頂点を通る直線がX軸と平行となるようにX方向に隣接して設けられたX方向長さX1の菱形の第1〜第4フォトダイオード22a〜22dと、X方向長さ2×X1の光透過部と遮光部が繰り返し設けられX方向に移動するスリット部材21と、前記光透過部を透過した光を受光した前記第1〜第4フォトダイオードの出力信号から第1検出信号と、前記第1検出信号に対し位相が前記第1検出信号の1/4周期だけずれた第2検出信号を生成する論理回路23,25を有する。
【選択図】 図1
Description
菱形の対向する一対の頂点を通る直線がX軸と平行となるようにX方向に隣接して設けられたX方向長さX1の菱形の第1〜第4フォトダイオードと、
X方向長さ2×X1の光透過部と遮光部が繰り返し設けられX方向に移動するスリット部材と、
前記光透過部を透過した光を受光した前記第1〜第4フォトダイオードの出力信号から第1検出信号と、前記第1検出信号に対し位相が前記第1検出信号の1/4周期だけずれた第2検出信号を生成する論理回路を
有することにより、検出信号の立ち上がり及び立ち下がりのジッタを低減できる。
前記光透過部を透過した光を受光した前記第1フォトダイオードの出力信号と前記第3フォトダイオードの出力信号を比較して前記第1検出信号を得る第1コンパレータと、
前記光透過部を透過した光を受光した前記第2フォトダイオードの出力信号と前記第4フォトダイオードの出力信号を比較して前記第2検出信号を得る第2コンパレータを有する。
複数組の前記第1〜第4フォトダイオードをX方向に隣接して設ける。
21a 光透過部
21b 遮光部
22 集積回路
22a〜22d,22a’〜22d’ フォトダイオード
23,25 コンパレータ
Claims (4)
- 菱形の対向する一対の頂点を通る直線がX軸と平行となるようにX方向に隣接して設けられたX方向長さX1の菱形の第1〜第4フォトダイオードと、
X方向長さ2×X1の光透過部と遮光部が繰り返し設けられX方向に移動するスリット部材と、
前記光透過部を透過した光を受光した前記第1〜第4フォトダイオードの出力信号から第1検出信号と、前記第1検出信号に対し位相が前記第1検出信号の1/4周期だけずれた第2検出信号を生成する論理回路を
有することを特徴とするエンコーダ装置。 - 請求項1記載のエンコーダ装置において、
前記光透過部と遮光部は、前記X方向と直交するY方向幅が前記第1〜第4フォトダイオードのY方向幅を超えることを特徴とするエンコーダ装置。 - 請求項1または2記載のエンコーダ装置において、
前記論理回路は、
前記光透過部を透過した光を受光した前記第1フォトダイオードの出力信号と前記第3フォトダイオードの出力信号を比較して前記第1検出信号を得る第1コンパレータと、
前記光透過部を透過した光を受光した前記第2フォトダイオードの出力信号と前記第4フォトダイオードの出力信号を比較して前記第2検出信号を得る第2コンパレータを
有することを特徴とするエンコーダ装置。 - 請求項1乃至3のいずれか1項記載のエンコーダ装置において、
複数組の前記第1〜第4フォトダイオードをX方向に隣接して設けたことを特徴とするエンコーダ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005190137A JP4951885B2 (ja) | 2005-06-29 | 2005-06-29 | エンコーダ装置 |
TW095106995A TW200700698A (en) | 2005-06-29 | 2006-03-02 | Encoder device |
US11/393,077 US7511260B2 (en) | 2005-06-29 | 2006-03-30 | Encoder device for detecting movement |
CNB2006100663382A CN100570282C (zh) | 2005-06-29 | 2006-03-30 | 编码器装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005190137A JP4951885B2 (ja) | 2005-06-29 | 2005-06-29 | エンコーダ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007010426A true JP2007010426A (ja) | 2007-01-18 |
JP4951885B2 JP4951885B2 (ja) | 2012-06-13 |
Family
ID=37588352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005190137A Expired - Fee Related JP4951885B2 (ja) | 2005-06-29 | 2005-06-29 | エンコーダ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7511260B2 (ja) |
JP (1) | JP4951885B2 (ja) |
CN (1) | CN100570282C (ja) |
TW (1) | TW200700698A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016092638A1 (ja) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | エンコーダ及びエンコーダ付きモータ |
WO2016092639A1 (ja) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | エンコーダ及びエンコーダ付きモータ |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7399956B2 (en) * | 2005-11-28 | 2008-07-15 | Avago Technologies Ecbuip Pte Ltd | Optical encoder with sinusoidal photodetector output signal |
US20090032691A1 (en) * | 2007-07-31 | 2009-02-05 | Sharp Kabushiki Kaisha | Photoelectric encoder and electronic equipment using the same |
US10679309B2 (en) | 2011-12-30 | 2020-06-09 | Elwha Llc | Evidence-based healthcare information management protocols |
US10528913B2 (en) | 2011-12-30 | 2020-01-07 | Elwha Llc | Evidence-based healthcare information management protocols |
US10475142B2 (en) | 2011-12-30 | 2019-11-12 | Elwha Llc | Evidence-based healthcare information management protocols |
US10340034B2 (en) | 2011-12-30 | 2019-07-02 | Elwha Llc | Evidence-based healthcare information management protocols |
US20130173298A1 (en) | 2011-12-30 | 2013-07-04 | Elwha LLC, a limited liability company of State of Delaware | Evidence-based healthcare information management protocols |
US10559380B2 (en) | 2011-12-30 | 2020-02-11 | Elwha Llc | Evidence-based healthcare information management protocols |
US10552581B2 (en) | 2011-12-30 | 2020-02-04 | Elwha Llc | Evidence-based healthcare information management protocols |
US11092465B2 (en) * | 2014-04-25 | 2021-08-17 | Sharp Kabushiki Kaisha | Optical encoder |
CN108845157B (zh) * | 2018-05-16 | 2020-11-10 | 上海集成电路研发中心有限公司 | 一种光电测速芯片 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0618290A (ja) * | 1992-07-06 | 1994-01-25 | Hamamatsu Photonics Kk | エンコーダ装置 |
JP2000221057A (ja) * | 1999-02-03 | 2000-08-11 | Sharp Corp | 光センサ |
JP2000241198A (ja) * | 1998-12-22 | 2000-09-08 | Mitsutoyo Corp | 光電式エンコーダ |
JP2001343256A (ja) * | 2000-06-02 | 2001-12-14 | Olympus Optical Co Ltd | 光学式エンコーダ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09196705A (ja) * | 1996-01-23 | 1997-07-31 | Mitsutoyo Corp | 変位測定装置 |
US6545262B1 (en) * | 1999-06-04 | 2003-04-08 | Dr. Johannes Heidenhein Gmbh | Position measuring system |
DE10130938A1 (de) * | 2001-06-27 | 2003-01-23 | Heidenhain Gmbh Dr Johannes | Positionsmesseinrichtung und Verfahren zum Betrieb einer Positionsmesseinrichtung |
US7399956B2 (en) * | 2005-11-28 | 2008-07-15 | Avago Technologies Ecbuip Pte Ltd | Optical encoder with sinusoidal photodetector output signal |
-
2005
- 2005-06-29 JP JP2005190137A patent/JP4951885B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-02 TW TW095106995A patent/TW200700698A/zh unknown
- 2006-03-30 CN CNB2006100663382A patent/CN100570282C/zh not_active Expired - Fee Related
- 2006-03-30 US US11/393,077 patent/US7511260B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0618290A (ja) * | 1992-07-06 | 1994-01-25 | Hamamatsu Photonics Kk | エンコーダ装置 |
JP2000241198A (ja) * | 1998-12-22 | 2000-09-08 | Mitsutoyo Corp | 光電式エンコーダ |
JP2000221057A (ja) * | 1999-02-03 | 2000-08-11 | Sharp Corp | 光センサ |
JP2001343256A (ja) * | 2000-06-02 | 2001-12-14 | Olympus Optical Co Ltd | 光学式エンコーダ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016092638A1 (ja) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | エンコーダ及びエンコーダ付きモータ |
WO2016092639A1 (ja) * | 2014-12-09 | 2016-06-16 | 株式会社安川電機 | エンコーダ及びエンコーダ付きモータ |
JP6010876B1 (ja) * | 2014-12-09 | 2016-10-19 | 株式会社安川電機 | エンコーダ及びエンコーダ付きモータ |
JP6037258B2 (ja) * | 2014-12-09 | 2016-12-07 | 株式会社安川電機 | エンコーダ及びエンコーダ付きモータ |
Also Published As
Publication number | Publication date |
---|---|
JP4951885B2 (ja) | 2012-06-13 |
US7511260B2 (en) | 2009-03-31 |
CN100570282C (zh) | 2009-12-16 |
CN1892184A (zh) | 2007-01-10 |
US20070001107A1 (en) | 2007-01-04 |
TW200700698A (en) | 2007-01-01 |
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