IN166172B - - Google Patents
Info
- Publication number
- IN166172B IN166172B IN706/MAS/85A IN706MA1985A IN166172B IN 166172 B IN166172 B IN 166172B IN 706MA1985 A IN706MA1985 A IN 706MA1985A IN 166172 B IN166172 B IN 166172B
- Authority
- IN
- India
Links
Classifications
-
- 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
- H03M1/282—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the pattern-shifting type, e.g. pseudo-random chain code
-
- 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
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
-
- 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
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN334MA1989 IN173654B (ja) | 1984-09-12 | 1989-05-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB848423086A GB8423086D0 (en) | 1984-09-12 | 1984-09-12 | Position sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
IN166172B true IN166172B (ja) | 1990-03-24 |
Family
ID=10566640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN706/MAS/85A IN166172B (ja) | 1984-09-12 | 1985-09-10 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4779211A (ja) |
EP (1) | EP0184286B1 (ja) |
JP (1) | JP2546823B2 (ja) |
CA (1) | CA1262270A (ja) |
DE (1) | DE3584877D1 (ja) |
GB (1) | GB8423086D0 (ja) |
IN (1) | IN166172B (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188805B (en) * | 1986-03-27 | 1991-01-09 | Duracell Int | Device |
GB2189663A (en) * | 1986-04-24 | 1987-10-28 | Seafarer Navigation Internatio | Direction indicators |
DE3726260A1 (de) * | 1987-08-07 | 1989-02-16 | Heidenhain Gmbh Dr Johannes | Positionsmesseinrichtung mit mehreren abtaststellen |
US5258931A (en) * | 1988-07-08 | 1993-11-02 | Parker-Hannifin Corporation | Precision electronic absolute and relative position sensing device and method of using same |
GB2230666B (en) * | 1989-04-19 | 1993-04-28 | Mitutoyo Corp | Displacement detector |
US5060394A (en) * | 1989-04-20 | 1991-10-29 | Homestar International Inc. | Measuring apparatus with readout display |
US5027526A (en) * | 1989-06-02 | 1991-07-02 | Crane R Stephen | Digital linear measuring device |
US5003171A (en) * | 1990-01-26 | 1991-03-26 | Allied Signal Inc. | Optical encoding arrangement for absolute angle measurements |
FR2668258B1 (fr) * | 1990-10-19 | 1994-05-13 | Cartier Systemes G | Capteur d'angle de rotation pour detecter le sens de rotation et/ou le nombre de tours effectues, et dispositif de direction assitee de vehicule comportant un tel capteur. |
US5254919A (en) * | 1991-03-22 | 1993-10-19 | Eastman Kodak Company | Encoder system using linear array sensor for high resolution |
CA2070739A1 (en) * | 1991-06-21 | 1992-12-22 | Stephen C. Jacobsen | Rotary displacement measuring apparatus |
US5561606A (en) * | 1991-08-30 | 1996-10-01 | Nikon Corporation | Method for aligning shot areas on a substrate |
FR2688587B1 (fr) * | 1992-03-13 | 1999-01-15 | David Leviedin | Procede et dispositif optique de mesure de position longitudinale ou angulaire par des rangements a pixel. |
US5502380A (en) * | 1994-04-28 | 1996-03-26 | Rosemount Inc. | Analog weighted binary absolute position encoder including an array of sense resistors each having material responsive to FWX and nonresponsive to flux |
US6563101B1 (en) * | 2000-01-19 | 2003-05-13 | Barclay J. Tullis | Non-rectilinear sensor arrays for tracking an image |
JP4240774B2 (ja) * | 2000-07-17 | 2009-03-18 | 株式会社東海理化電機製作所 | 回転角度検出装置及び回転角度検出方法 |
JP2002039798A (ja) * | 2000-07-19 | 2002-02-06 | Tokai Rika Co Ltd | 回転角度検出装置及び回転角度検出方法 |
DE10200436B4 (de) * | 2002-01-09 | 2015-04-30 | Dr. Johannes Heidenhain Gmbh | Vorrichtung zur sicheren Positionsüberwachung |
US7246030B2 (en) | 2002-02-14 | 2007-07-17 | Faro Technologies, Inc. | Portable coordinate measurement machine with integrated line laser scanner |
USRE42082E1 (en) | 2002-02-14 | 2011-02-01 | Faro Technologies, Inc. | Method and apparatus for improving measurement accuracy of a portable coordinate measurement machine |
US6973734B2 (en) * | 2002-02-14 | 2005-12-13 | Faro Technologies, Inc. | Method for providing sensory feedback to the operator of a portable measurement machine |
AU2003223173A1 (en) | 2002-02-14 | 2003-09-04 | Faro Technologies, Inc. | Portable coordinate measurement machine with integrated line laser scanner |
US7881896B2 (en) | 2002-02-14 | 2011-02-01 | Faro Technologies, Inc. | Portable coordinate measurement machine with integrated line laser scanner |
US7519493B2 (en) | 2002-02-14 | 2009-04-14 | Faro Technologies, Inc. | Portable coordinate measurement machine with integrated line laser scanner |
US6952882B2 (en) * | 2002-02-14 | 2005-10-11 | Faro Technologies, Inc. | Portable coordinate measurement machine |
US6957496B2 (en) | 2002-02-14 | 2005-10-25 | Faro Technologies, Inc. | Method for improving measurement accuracy of a portable coordinate measurement machine |
US6826843B2 (en) * | 2002-11-25 | 2004-12-07 | Radioshack, Corp. | Electronic compass apparatus and method |
JP4425078B2 (ja) * | 2004-07-12 | 2010-03-03 | 浜松ホトニクス株式会社 | エンコーダ |
US7535382B2 (en) * | 2006-10-31 | 2009-05-19 | Mitutoyo Corporation | High speed quadrature counter |
FR3031588B1 (fr) * | 2015-01-13 | 2018-11-16 | Hutchinson | Capteurs inductifs de deplacement |
US10451704B2 (en) * | 2016-02-02 | 2019-10-22 | Kenneth Perlin | Tracking apparatus using light through rotating transmissive diffraction patterns, and method |
US10859363B2 (en) | 2017-09-27 | 2020-12-08 | Stanley Black & Decker, Inc. | Tape rule assembly with linear optical encoder for sensing human-readable graduations of length |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1284641A (en) * | 1970-01-08 | 1972-08-09 | Ferranti Ltd | Improvements relating to measuring apparatus |
US3982106A (en) * | 1973-05-14 | 1976-09-21 | Contraves Ag | System for measuring the longitudinal or angular displacement of a movable component |
US3963098A (en) * | 1974-05-07 | 1976-06-15 | Westinghouse Electric Corporation | Position measurement apparatus |
US4139889A (en) * | 1974-06-07 | 1979-02-13 | Ingels George W | Apparatus for vehicle position indication |
US4117602A (en) * | 1977-04-04 | 1978-10-03 | The Laitram Corporation | Electromagnetic compass |
CH637234A5 (de) * | 1979-05-16 | 1983-07-15 | Ssih Equipment Sa | Einrichtung zur stellungsdetektion, insbesondere zur winkelstellungsdetektion, eines markierungstraegers. |
US4417317A (en) * | 1980-02-04 | 1983-11-22 | Westinghouse Electric Corp. | Adaptive analog processor |
US4330769A (en) * | 1980-02-07 | 1982-05-18 | Mostek Corporation | Single electrode sense circuit for charge-coupled transversal filters |
JPS56153212A (en) * | 1980-04-30 | 1981-11-27 | Toshiba Corp | Encoder |
JPS56159798A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Shibaura Electric Co | Length or angle measuring device |
US4445110A (en) * | 1980-07-28 | 1984-04-24 | Itek Corporation | Absolute optical encoder system |
US4360730A (en) * | 1980-10-16 | 1982-11-23 | Itek Corporation | Encoder alignment method and apparatus |
DE3131276C2 (de) * | 1981-08-07 | 1986-02-13 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Verfahren zur Verfestigung von radioaktiven Abfällen |
US4465928A (en) * | 1981-08-17 | 1984-08-14 | Itek Corporation | Optically multiplexed encoder system |
US4414754A (en) * | 1982-03-04 | 1983-11-15 | The Laitram Corporation | High resolution compass card position decoder |
US4572952A (en) * | 1982-07-28 | 1986-02-25 | Adrian March Research Ltd. | Position sensor with moire interpolation |
GB2126444B (en) * | 1982-09-01 | 1986-03-19 | Rosemount Eng Co Ltd | Position measuring apparatus |
DE3239108A1 (de) * | 1982-10-22 | 1984-04-26 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Positionsmessverfahren und einrichtungen zur durchfuehrung des verfahrens |
US4621256A (en) * | 1983-07-15 | 1986-11-04 | Lockheed Missiles & Space Company, Inc. | Apparatus for measuring rate of angular displacement |
US4606008A (en) * | 1983-07-25 | 1986-08-12 | Cain Encoder Company | Angular position detector |
JPS6059824A (ja) * | 1983-09-12 | 1985-04-06 | Yokogawa Hokushin Electric Corp | エンコ−ダ |
US4618941A (en) * | 1983-09-19 | 1986-10-21 | Motorola, Inc. | Apparatus and method for generating filtered multilevel data from NRZ data |
US4616833A (en) * | 1985-03-11 | 1986-10-14 | Wico Corporation | Target shooting game with photoelectric orientation sensing apparatus |
US4633224A (en) * | 1985-05-06 | 1986-12-30 | Caterpillar Inc. | Absolute and incremental optical encoder |
-
1984
- 1984-09-12 GB GB848423086A patent/GB8423086D0/en active Pending
-
1985
- 1985-09-06 DE DE8585306354T patent/DE3584877D1/de not_active Expired - Fee Related
- 1985-09-06 EP EP85306354A patent/EP0184286B1/en not_active Expired - Lifetime
- 1985-09-10 IN IN706/MAS/85A patent/IN166172B/en unknown
- 1985-09-10 US US06/774,488 patent/US4779211A/en not_active Expired - Lifetime
- 1985-09-11 CA CA000490464A patent/CA1262270A/en not_active Expired
- 1985-09-12 JP JP60200692A patent/JP2546823B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4779211A (en) | 1988-10-18 |
JPS61111417A (ja) | 1986-05-29 |
EP0184286A2 (en) | 1986-06-11 |
EP0184286B1 (en) | 1991-12-11 |
CA1262270A (en) | 1989-10-10 |
GB8423086D0 (en) | 1984-10-17 |
JP2546823B2 (ja) | 1996-10-23 |
EP0184286A3 (en) | 1988-06-29 |
DE3584877D1 (de) | 1992-01-23 |