HK1142395A1 - A two-dimension position encoder - Google Patents

A two-dimension position encoder

Info

Publication number
HK1142395A1
HK1142395A1 HK10108846.7A HK10108846A HK1142395A1 HK 1142395 A1 HK1142395 A1 HK 1142395A1 HK 10108846 A HK10108846 A HK 10108846A HK 1142395 A1 HK1142395 A1 HK 1142395A1
Authority
HK
Hong Kong
Prior art keywords
position encoder
dimension position
dimension
encoder
Prior art date
Application number
HK10108846.7A
Other languages
English (en)
Inventor
Pascal Heim
David Hasler
Edoardo Franzi
Peter Masa
Original Assignee
Suisse Electronique Microtech
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suisse Electronique Microtech filed Critical Suisse Electronique Microtech
Publication of HK1142395A1 publication Critical patent/HK1142395A1/xx

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
    • G01D5/26—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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
HK10108846.7A 2008-09-24 2010-09-17 A two-dimension position encoder HK1142395A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080016751 EP2169357B1 (fr) 2008-09-24 2008-09-24 Codeur de position bidimensionnel

Publications (1)

Publication Number Publication Date
HK1142395A1 true HK1142395A1 (en) 2010-12-03

Family

ID=40351580

Family Applications (1)

Application Number Title Priority Date Filing Date
HK10108846.7A HK1142395A1 (en) 2008-09-24 2010-09-17 A two-dimension position encoder

Country Status (2)

Country Link
EP (1) EP2169357B1 (fr)
HK (1) HK1142395A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012007561A2 (fr) 2010-07-16 2012-01-19 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Système de mesure d'une source de lumière dans l'espace
EP2546613B1 (fr) 2011-07-13 2015-05-27 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Procédé pour déterminer l'excentricité et la position angulaire d'un élément rotatif et dispositif pour réaliser un tel procédé
EP2615425B1 (fr) 2012-01-13 2018-03-07 CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement Système de mesure pour déclencheur tactile optique ou sonde de balayage doté d'un miroir concave
EP2629048B1 (fr) 2012-02-20 2018-10-24 Tesa Sa Palpeur
EP3139132B1 (fr) 2015-09-03 2020-02-19 Hexagon Technology Center GmbH Codage absolu de surfaces
CN109891196B (zh) * 2016-11-02 2022-02-01 普莱希莱布斯股份有限公司 检测器设备、定位代码和位置检测方法
CN109163743B (zh) * 2018-07-13 2021-04-02 合肥工业大学 一种二维绝对位置测量传感器的编码及解码算法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825267A (en) * 1973-03-08 1974-07-23 M Rubinoff Expanded chess and checker board
CH643959A5 (de) * 1978-04-14 1984-06-29 Siemens Ag Verfahren und vorrichtung zur automatischen lageerkennung von halbleiterchips.
JP4208483B2 (ja) * 2002-05-21 2009-01-14 キヤノン株式会社 光学式エンコーダ
US7583842B2 (en) 2004-01-06 2009-09-01 Microsoft Corporation Enhanced approach of m-array decoding and error correction
US7082378B2 (en) * 2004-11-18 2006-07-25 Hewlett-Packard Development Company, L.P. Displacement sensing by comparing matrices of pointwise measurements
GB0428165D0 (en) 2004-12-23 2005-01-26 Renishaw Plc Position measurement
DE602005007013D1 (de) 2005-08-03 2008-07-03 Suisse Electronique Microtech Vorrichtung und Verfahren zur relativen Positionsmessung einer periodischen oder quasi-periodischen Markierung
US20070076973A1 (en) * 2005-09-30 2007-04-05 Walid Ali Method and apparatus for detecting and deblocking variable-size grid artifacts in coded video

Also Published As

Publication number Publication date
EP2169357B1 (fr) 2012-09-19
EP2169357A1 (fr) 2010-03-31

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210924