ES2054406T3 - Dispositivo explorador optoelectronico. - Google Patents

Dispositivo explorador optoelectronico.

Info

Publication number
ES2054406T3
ES2054406T3 ES91112210T ES91112210T ES2054406T3 ES 2054406 T3 ES2054406 T3 ES 2054406T3 ES 91112210 T ES91112210 T ES 91112210T ES 91112210 T ES91112210 T ES 91112210T ES 2054406 T3 ES2054406 T3 ES 2054406T3
Authority
ES
Spain
Prior art keywords
optoelectronic
optical system
codes
support
code track
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 - Lifetime
Application number
ES91112210T
Other languages
English (en)
Inventor
Johannes Riegger
Karl-Heinz Weber
Walter Dipl-Ing Blochle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hohner Elektrotechnik KG
Original Assignee
Hohner Elektrotechnik KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25957025&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2054406(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE9011628U external-priority patent/DE9011628U1/de
Priority claimed from DE9104157U external-priority patent/DE9104157U1/de
Application filed by Hohner Elektrotechnik KG filed Critical Hohner Elektrotechnik KG
Application granted granted Critical
Publication of ES2054406T3 publication Critical patent/ES2054406T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03M1/245—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors
    • 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
    • G01D5/34723—Scale reading or illumination devices involving light-guides
    • 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
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10683—Arrangement of fixed elements
    • G06K7/10702—Particularities of propagating elements, e.g. lenses, mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Optical Transform (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

UN DISPOSITIVO OPTOELECTRONICO DE EXPLORACION, EN ESPECIAL PARA APARATOS MEDIDORES DE CAMINOS, DE ANGULOS Y DE ROTACIONES ASI COMO PARA MEMORIAS OPTICAS, CON UN SOPORTE (5) DE CODIGOS ILUMINADO CON LUZ EPISCOPICA O DIASCOPICA, CON, AL MENOS, UNA PISTA DE CODIGO EXPLORABLE OPTICAMENTE SOBRE EL SOPORTE DE CODIGOS, CON UN SISTEMA (7) OPTICO, QUE REGISTRA LA PISTA DE CODIGO Y CON UN SENSOR (8) OPTOELECTRONICO, EN CUYA SUPERFICIE FOTOSENSIBLE SE REPRODUCE LA PISTA DE CODIGO POR MEDIO DEL SISTEMA OPTICO , SE DEBE PODER FABRICAR, INSTALAR Y AJUSTAR CON UN COSTE MENOR. DEBE POSEER DIMENSIONES MAS PEQUEÑAS, EN ESPECIAL UNA SEPARACION DE TRABAJO MAS PEQUEÑA Y DEBE HACER POSIBLE UNA INFORMACION MAS PRECISA DE LA POSICION. PARA ELLO SE PREVE, QUE EL SISTEMA OPTICO SEA, AL MENOS, UNA LENTE (13) CON FORMA DE BARRA O UNA PLACA DE MICROLENTES.
ES91112210T 1990-08-09 1991-07-20 Dispositivo explorador optoelectronico. Expired - Lifetime ES2054406T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9011628U DE9011628U1 (de) 1990-08-09 1990-08-09 Optoelektronische Anordnung zum Abtasten von Codeträgern
DE9104157U DE9104157U1 (de) 1991-04-06 1991-04-06 Optoelektronische Abtasteinrichtung

Publications (1)

Publication Number Publication Date
ES2054406T3 true ES2054406T3 (es) 1994-08-01

Family

ID=25957025

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91112210T Expired - Lifetime ES2054406T3 (es) 1990-08-09 1991-07-20 Dispositivo explorador optoelectronico.

Country Status (4)

Country Link
US (1) US5251012A (es)
EP (1) EP0470420B1 (es)
DE (1) DE59101604D1 (es)
ES (1) ES2054406T3 (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564683B1 (de) * 1992-04-08 2000-12-13 Dr. Johannes Heidenhain GmbH Optoelektronisches Weg-, Winkel- oder Rotationsmessgerät
DE4428590C2 (de) * 1994-08-12 1996-06-20 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
WO1996008693A1 (fr) * 1994-09-15 1996-03-21 Brand Edith Dispositif et procede de mesure de mouvement ou de positionnement
DE19519055C2 (de) * 1995-05-24 1997-06-05 Bst Servo Technik Gmbh Optischer Sensor, insbesondere für eine Bahnlaufregeleinrichtung
EP0867693A1 (en) * 1997-03-27 1998-09-30 Koyo Seiko Co., Ltd. Optical rotary encoder
CA2214193A1 (en) * 1997-10-20 1999-04-20 Pat Sin Hao Optical encoder
SG116401A1 (en) * 1998-08-20 2005-11-28 Koyo Seiko Co Optical rotary encoder.
US6327791B1 (en) 1999-06-09 2001-12-11 The Government Of The United States As Represented By The Secretary Of Commerce Chain code position detector
WO2000077472A1 (en) * 1999-06-16 2000-12-21 Snorkel International, Inc. Chain code position detector
DE10217726A1 (de) 2002-04-17 2003-11-27 Heidenhain Gmbh Dr Johannes Optische Positionsmesseinrichtung
DE10317736A1 (de) 2003-04-11 2004-10-28 Dr. Johannes Heidenhain Gmbh Abtasteinheit für eine Positionsmesseinrichtung zum optischen Abtasten einer Maßverkörperung
DE102004053293A1 (de) * 2004-11-04 2006-05-11 Giesecke & Devrient Gmbh Abtastvorrichtung für Barcodes
DE102006011540A1 (de) * 2006-02-12 2007-08-23 Samland, Thomas, Dipl.-Math. Abtasteinheit für eine Positionsmesseinrichtung zur Detektion von optischen Maßverkörperungen sowie entsprechende Positionsmesseinrichtung
DE102006007764A1 (de) * 2006-02-20 2007-08-23 Sick Ag Optoelektronische Vorrichtung und Verfahren zu deren Betrieb
EP2277012B1 (en) * 2008-05-16 2014-07-30 Parker-Hannifin Corporation Probe for determining an absolute position of a rod of a cylinder
DE102008063832A1 (de) 2008-12-21 2010-07-01 Ic-Haus Gmbh Optische Maßverkörperung und Positionsmessgerät
RU2468382C1 (ru) * 2011-05-24 2012-11-27 Открытое Акционерное Общество "Производственное Объединение "Уральский Оптико-Механический Завод" Имени Э.С. Яламова" (Оао "По "Уомз") Способ формирования сигнала управления в следящей системе
US20140353477A1 (en) * 2013-05-29 2014-12-04 The Cleveland Electric Laboratories Company Optical encoder
EP2863185B1 (de) * 2013-10-15 2017-08-16 Siemens Aktiengesellschaft Messwertgeber zum Erhalt einer Lageinformation
TWI585372B (zh) 2016-02-05 2017-06-01 曾信得 光學掃描式導光編碼器
TWI633282B (zh) 2016-04-15 2018-08-21 曾信得 正向對焦掃描式導光編碼器
DE102016211150A1 (de) * 2016-06-22 2017-12-28 Dr. Johannes Heidenhain Gmbh Optische Positionsmesseinrichtung
US10551223B2 (en) * 2017-03-20 2020-02-04 Tt Electronics Plc Method and apparatus for configurable photodetector array patterning for optical encoders
TWI710795B (zh) * 2019-12-04 2020-11-21 國立中興大學 光學旋轉編碼器
JP7674993B2 (ja) * 2020-11-25 2025-05-12 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 光学式位置測定装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1096022A (en) * 1963-06-21 1967-12-20 Cooke Conrad Reginald Improvements in or relating to apparatus for detecting and indicating the extent of relative movement
US3295214A (en) * 1965-02-05 1967-01-03 Frederic W Olmstead Element for measuring displacements
AT288050B (de) * 1968-01-29 1971-02-25 Leitz Ernst Gmbh Einrichtung zum Messen von Längen oder Winkeln
GB2056660B (en) * 1979-08-03 1983-05-11 Stanley Tools Ltd Displacement encoder for measuring rule
US4275965A (en) * 1979-08-21 1981-06-30 United Technologies Corporation Long stroke, high resolution optical position sensor
JPS59501639A (ja) * 1982-09-25 1984-09-13 レニシヨウ　パブリツク　リミテツド　カンパニ− 変位測定装置
JPS59206802A (ja) * 1983-04-13 1984-11-22 Alps Electric Co Ltd 光フアイバセンサ
FR2566896B1 (fr) * 1984-07-02 1988-11-18 Aerospatiale Procede et dispositif pour la determination de la position d'un organe mobile au moyen d'elements a proprietes optiques variables
US4641027A (en) * 1984-12-18 1987-02-03 Battelle Memorial Institute Indicating positions
IT1185455B (it) * 1985-10-16 1987-11-12 Pirelli Cavi Spa Sensore ottico di posizione
US4806016A (en) * 1987-05-15 1989-02-21 Rosemount Inc. Optical displacement sensor
DD272916A1 (de) * 1988-06-06 1989-10-25 Zeiss Jena Veb Carl Inkrementales laengenmesssystem mit lichtleitern

Also Published As

Publication number Publication date
EP0470420B1 (de) 1994-05-11
EP0470420A1 (de) 1992-02-12
US5251012A (en) 1993-10-05
DE59101604D1 (de) 1994-06-16

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