FR2703453B1 - Codeur de valeur absolue et procédé de correction de sortie d'un codeur de valeur absolue. - Google Patents
Codeur de valeur absolue et procédé de correction de sortie d'un codeur de valeur absolue.Info
- Publication number
- FR2703453B1 FR2703453B1 FR9403694A FR9403694A FR2703453B1 FR 2703453 B1 FR2703453 B1 FR 2703453B1 FR 9403694 A FR9403694 A FR 9403694A FR 9403694 A FR9403694 A FR 9403694A FR 2703453 B1 FR2703453 B1 FR 2703453B1
- Authority
- FR
- France
- Prior art keywords
- absolute value
- value encoder
- correcting
- output
- encoder
- 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
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
- G01D5/12—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
- G01D5/12—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
- G01D5/2448—Correction of gain, threshold, offset or phase control
-
- 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
- G01D5/249—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 using pulse code
- G01D5/2497—Absolute encoders
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/002—Provisions or arrangements for saving power, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains or by selectively turning on stages when needed
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1014—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error
- H03M1/1019—Calibration at one point of the transfer characteristic, i.e. by adjusting a single reference value, e.g. bias or gain error by storing a corrected or correction value in a digital look-up table
-
- 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
- H03M1/26—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Optical Transform (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5072094A JP2806198B2 (ja) | 1993-03-30 | 1993-03-30 | エンコーダ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2703453A1 FR2703453A1 (fr) | 1994-10-07 |
FR2703453B1 true FR2703453B1 (fr) | 1998-05-29 |
Family
ID=13479482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9403694A Expired - Fee Related FR2703453B1 (fr) | 1993-03-30 | 1994-03-29 | Codeur de valeur absolue et procédé de correction de sortie d'un codeur de valeur absolue. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5406077A (fr) |
JP (1) | JP2806198B2 (fr) |
DE (1) | DE4410955C2 (fr) |
FR (1) | FR2703453B1 (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0829196A (ja) * | 1994-07-18 | 1996-02-02 | Nikon Corp | 多回転アブソリュートエンコーダ |
JP3437277B2 (ja) * | 1994-08-01 | 2003-08-18 | キヤノン株式会社 | 回転情報検出装置及び回転情報検出方法 |
DE4439693C2 (de) * | 1994-11-05 | 1997-04-24 | Hengstler Gmbh | Sensoreinheit für einen Drehgeber oder Lineargeber |
CA2140401C (fr) * | 1994-11-16 | 1999-01-12 | Ralph Santoro Jr. | Appareil permettant de determiner la position des leviers de commande de frein rheostatique et d'inversion de marche sur un pupitre de controle de locomotive |
DE19506019C2 (de) * | 1995-02-22 | 2000-04-13 | Telefunken Microelectron | Verfahren zum Betrieb eines optischen Lenkwinkelsensors |
US5834750A (en) * | 1995-02-28 | 1998-11-10 | Psc, Inc. | Bar code scanning system for automatically maintaining constant the amplitude of light reflected from a bar code |
DE19638912A1 (de) * | 1996-09-23 | 1998-03-26 | Teves Gmbh Alfred | Drehwinkelsensor mit CCD-Zeile und periodisch angesteuerter Lichtquelle |
US6483104B1 (en) | 1996-09-23 | 2002-11-19 | Valeo Schalter Und Sensoren Gmbh | Rotational angle sensor using a CCD line with enhanced measuring precision |
JPH11183201A (ja) * | 1997-12-19 | 1999-07-09 | Yaskawa Electric Corp | エンコーダ |
DE19813803C1 (de) * | 1998-03-23 | 2000-01-05 | Klaus Gorny | Meßanordnung zur Messung von Längen und Abständen |
DE19822843A1 (de) * | 1998-05-22 | 1999-11-25 | Smart Electronic Dev Gmbh | Verfahren und Schaltungsanordnung zur hochauflösenden Bestimmung der Drehwinkelstellung und/oder Drehzahl einer Welle |
AU2001278646A1 (en) | 2000-08-22 | 2002-03-04 | Kowalczyk, Piotr Leonard | Lock |
DE10050392A1 (de) * | 2000-10-12 | 2002-04-18 | Heidenhain Gmbh Dr Johannes | Positionsmesseinrichtung und Verfahren zum Betrieb einer Positionsmesseinrichtung |
DE10054062A1 (de) | 2000-10-31 | 2002-05-16 | Heidenhain Gmbh Dr Johannes | Verfahren zur Positionsbestimmung und Positionsmesseinrichtung zur Ausführung des Verfahrens |
DE10111630A1 (de) * | 2001-03-09 | 2002-11-07 | Heidenhain Gmbh Dr Johannes | Verfahren zum Betrieb einer Positionsmesseinrichtung und hierzu geeignete Positionsmesseinrichtung |
US6908888B2 (en) * | 2001-04-04 | 2005-06-21 | Schlumberger Technology Corporation | Viscosity reduction of viscoelastic surfactant based fluids |
DE10149174A1 (de) * | 2001-10-04 | 2003-04-17 | Heidenhain Gmbh Dr Johannes | Verfahren und Vorrichtung zur Positionsbestimmung |
US7066591B2 (en) | 2004-02-14 | 2006-06-27 | Hewlett-Packard Development Company, L.P. | Analog encoder |
DE102004018106B4 (de) * | 2004-04-14 | 2008-08-07 | Markus Guggenmos | Hochgenauer optischer Positionsdetektor für Galvanometer-Drehantiebe |
JP2011058891A (ja) * | 2009-09-08 | 2011-03-24 | Olympus Corp | 光学式エンコーダ |
JP5547950B2 (ja) * | 2009-10-30 | 2014-07-16 | オリンパス株式会社 | エンコーダ |
JP5841365B2 (ja) * | 2011-07-12 | 2016-01-13 | オリンパス株式会社 | 光学式エンコーダ |
TWI588450B (zh) * | 2015-04-21 | 2017-06-21 | Murata Manufacturing Co | Encoder |
US9964418B2 (en) | 2015-09-11 | 2018-05-08 | Joral Llc | Inter-sensor communication system for absolute position sensing |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6126270A (ja) * | 1984-07-16 | 1986-02-05 | Fanuc Ltd | 発光装置 |
JPS61195310A (ja) * | 1985-02-26 | 1986-08-29 | Seikosha Co Ltd | 光電変換装置 |
NL8501529A (nl) * | 1985-05-29 | 1986-12-16 | Tno | Werkwijze en inrichting voor het meten en beheersen van een door een leiding stromende gasmassastroom. |
JPH0641853B2 (ja) * | 1986-09-29 | 1994-06-01 | 株式会社安川電機 | 多回転式絶対値エンコ−ダ |
JP2569120B2 (ja) * | 1988-05-09 | 1997-01-08 | ファナック株式会社 | 光学式エンコーダ |
GB2233086B (en) * | 1989-05-24 | 1993-10-13 | Apple Computer | Apparatus and method for optical encoding |
JPH0331720A (ja) * | 1989-06-29 | 1991-02-12 | Fanuc Ltd | エンコーダ内挿回路のオフセット補正方法 |
JPH0486522A (ja) * | 1990-07-31 | 1992-03-19 | Nikon Corp | 光学式アブソリュート・エンコーダ |
US5073711A (en) * | 1990-09-17 | 1991-12-17 | The United States Of America As Represented By The Secretary Of The Navy | Fiber-optic remote angular position sensor including a polarization track |
JPH04213021A (ja) * | 1990-12-07 | 1992-08-04 | Nikon Corp | 光学式アブソリュ−ト・エンコ−ダ |
JP2504881B2 (ja) * | 1991-09-17 | 1996-06-05 | 株式会社ミツトヨ | デ―タ出力エンコ―ダ |
US5241172A (en) * | 1991-11-04 | 1993-08-31 | Hewlett-Packard Company | Variable pitch position encoder |
-
1993
- 1993-03-30 JP JP5072094A patent/JP2806198B2/ja not_active Expired - Lifetime
-
1994
- 1994-03-29 FR FR9403694A patent/FR2703453B1/fr not_active Expired - Fee Related
- 1994-03-29 US US08/219,467 patent/US5406077A/en not_active Expired - Lifetime
- 1994-03-29 DE DE4410955A patent/DE4410955C2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2703453A1 (fr) | 1994-10-07 |
JPH06288789A (ja) | 1994-10-18 |
JP2806198B2 (ja) | 1998-09-30 |
US5406077A (en) | 1995-04-11 |
DE4410955C2 (de) | 1996-06-05 |
DE4410955A1 (de) | 1994-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |