FR2494860B1 - Systeme optique pour codeurs optiques - Google Patents

Systeme optique pour codeurs optiques

Info

Publication number
FR2494860B1
FR2494860B1 FR8121961A FR8121961A FR2494860B1 FR 2494860 B1 FR2494860 B1 FR 2494860B1 FR 8121961 A FR8121961 A FR 8121961A FR 8121961 A FR8121961 A FR 8121961A FR 2494860 B1 FR2494860 B1 FR 2494860B1
Authority
FR
France
Prior art keywords
optical
encoders
optical system
optical encoders
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
Application number
FR8121961A
Other languages
English (en)
Other versions
FR2494860A1 (fr
Inventor
Paul A Johnson
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.)
BEI Electronics Inc
Original Assignee
BEI Electronics Inc
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 BEI Electronics Inc filed Critical BEI Electronics Inc
Publication of FR2494860A1 publication Critical patent/FR2494860A1/fr
Application granted granted Critical
Publication of FR2494860B1 publication Critical patent/FR2494860B1/fr
Expired 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
    • H03M1/26—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)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Head (AREA)
FR8121961A 1980-11-25 1981-11-24 Systeme optique pour codeurs optiques Expired FR2494860B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/210,162 US4385234A (en) 1980-11-25 1980-11-25 Optical systems for optical encoders

Publications (2)

Publication Number Publication Date
FR2494860A1 FR2494860A1 (fr) 1982-05-28
FR2494860B1 true FR2494860B1 (fr) 1986-08-01

Family

ID=22781818

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8121961A Expired FR2494860B1 (fr) 1980-11-25 1981-11-24 Systeme optique pour codeurs optiques

Country Status (6)

Country Link
US (1) US4385234A (fr)
JP (1) JPS6058403B2 (fr)
CA (1) CA1166751A (fr)
DE (1) DE3145098C2 (fr)
FR (1) FR2494860B1 (fr)
GB (1) GB2088163B (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4508965A (en) * 1982-03-05 1985-04-02 Hewlett-Packard Company Uniaxially collimated light source for optical shaft angle encoders
JPS59224515A (ja) * 1983-06-03 1984-12-17 Mitsubishi Electric Corp 光学式エンコ−ダ
IT1184495B (it) * 1985-04-26 1987-10-28 Michele Merlo Codificatore (encoder) ottico incrementale a nonio accordato
US4768907A (en) * 1986-07-14 1988-09-06 Gauron Richard F Gang nut assembly
JPS6328703A (ja) * 1986-07-21 1988-02-06 Enbishi Arumihoiile Kk ３ピ−ス型ホイ−ルのリム構造とその製造法
DE3737278A1 (de) * 1986-11-04 1988-05-11 Canon Kk Verfahren und vorrichtung zum optischen erfassen der stellung eines objekts
JPS63179215A (ja) * 1987-01-20 1988-07-23 Mitsubishi Electric Corp 光学式ロ−タリエンコ−ダ
US4883955A (en) * 1987-02-25 1989-11-28 Asahi Kogaku Kogyo K.K. Optical encoder with converging means
US4752683A (en) 1987-05-15 1988-06-21 Bei Electronics, Inc. Rotary encoder having flexible coupling means
JPH11351912A (ja) * 1998-06-05 1999-12-24 Yaskawa Electric Corp 光学式エンコーダ
EP1111347B1 (fr) * 1999-12-15 2001-09-05 Brown & Sharpe Tesa S.A. Capteur de position
AU2001279600A1 (en) 2000-08-10 2002-02-18 Novo-Nordisk A/S A support for a cartridge for transferring an electronically readable information to an electronic circuit, and use of composite material in a support
US6900428B2 (en) * 2002-12-06 2005-05-31 Ultra-Scan Corporation Method for optimizing performance of optical encoders operating in a fluid
DE602004015432D1 (de) 2003-03-24 2008-09-11 Novo Nordisk As Transparentes elektronisches markieren eines medikamentenbehälters
US20060187573A1 (en) * 2005-02-24 2006-08-24 Electro-Sensors, Inc. Sensor equipment guard
EP1881859B1 (fr) 2005-05-10 2011-01-19 Novo Nordisk A/S Dispositif d'injection comprenant un capteur optique
RU2432549C2 (ru) 2005-09-22 2011-10-27 Ново Нордиск А/С Способ и прибор для бесконтактного определения абсолютного положения и устройство, снабженное данным прибором
CN101405749B (zh) 2006-03-20 2012-05-30 诺沃—诺迪斯克有限公司 套筒及在套筒插入到其中时的药物输送装置
WO2007116090A1 (fr) 2006-04-12 2007-10-18 Novo Nordisk A/S Détermination de position absolue d'élément monté mobile dans un dispositif d'administration de médicaments
EP2013587B1 (fr) 2006-04-26 2018-04-04 Novo Nordisk A/S Détermination sans contact de la position absolue d'un élément mobile dans un dispositif pour administrer un médicament
CN101641127B (zh) 2007-03-21 2012-11-28 诺沃-诺迪斯克有限公司 具有容器识别的医药输送系统和用于医药输送系统的容器
EP2396059B1 (fr) 2009-02-13 2014-01-08 Novo Nordisk A/S Dispositif médical et cartouche
EP2966451A3 (fr) 2011-04-18 2016-06-22 Donau-Universität Krems Methode de detection et capteur
ES2987440T3 (es) * 2012-05-30 2024-11-14 Iris Int Inc Citómetro de flujo
US9746412B2 (en) 2012-05-30 2017-08-29 Iris International, Inc. Flow cytometer
JP6883939B2 (ja) * 2015-09-14 2021-06-09 株式会社ミツトヨ 光電式エンコーダ
JP6903392B2 (ja) * 2015-09-14 2021-07-14 株式会社ミツトヨ テレセントリック光学系

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009141A (en) * 1959-02-09 1961-11-14 Universal Drafting Machine Cor Digital transducer
DE1903253U (de) * 1964-03-11 1964-10-29 Siemens Ag Vorrichtung zum optischen abtasten von bandfoermigen aufzeichnungstraegern.
US3556235A (en) * 1969-09-15 1971-01-19 Hobart Mfg Co Photocell checking circuit for optical weighing scale
US4047586A (en) * 1976-03-23 1977-09-13 Pitney-Bowes, Inc. Zero load adjustment apparatus for spring weighing scale
US4039826A (en) * 1976-03-26 1977-08-02 Dynamics Research Corporation Magnetic head locating system for disk storage system
US4101882A (en) * 1976-05-28 1978-07-18 The Brunton Company Data read-out system and apparatus useful for angular measurements
DE2751757C3 (de) * 1977-11-19 1980-06-26 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Fotoelektrische Einrichtung
US4221328A (en) * 1978-07-11 1980-09-09 The Brunton Company Data read-out system and apparatus useful for angular measurements

Also Published As

Publication number Publication date
GB2088163B (en) 1984-10-31
DE3145098A1 (de) 1982-06-16
JPS57116215A (en) 1982-07-20
US4385234A (en) 1983-05-24
CA1166751A (fr) 1984-05-01
JPS6058403B2 (ja) 1985-12-19
DE3145098C2 (de) 1985-02-14
GB2088163A (en) 1982-06-03
FR2494860A1 (fr) 1982-05-28

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