DE69818160D1 - Optischer Kodierer - Google Patents

Optischer Kodierer

Info

Publication number
DE69818160D1
DE69818160D1 DE69818160T DE69818160T DE69818160D1 DE 69818160 D1 DE69818160 D1 DE 69818160D1 DE 69818160 T DE69818160 T DE 69818160T DE 69818160 T DE69818160 T DE 69818160T DE 69818160 D1 DE69818160 D1 DE 69818160D1
Authority
DE
Germany
Prior art keywords
optical encoder
encoder
optical
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
Application number
DE69818160T
Other languages
English (en)
Other versions
DE69818160T2 (de
Inventor
Masanobu Tanaka
Tatsumaro Yamashita
Shoichi Kyoya
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of DE69818160D1 publication Critical patent/DE69818160D1/de
Application granted granted Critical
Publication of DE69818160T2 publication Critical patent/DE69818160T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01D5/34723—Scale reading or illumination devices involving light-guides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69818160T 1997-07-08 1998-06-22 Optischer Kodierer Expired - Fee Related DE69818160T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9182763A JPH1123322A (ja) 1997-07-08 1997-07-08 光学式エンコーダ
JP18276397 1997-07-08

Publications (2)

Publication Number Publication Date
DE69818160D1 true DE69818160D1 (de) 2003-10-23
DE69818160T2 DE69818160T2 (de) 2004-04-08

Family

ID=16124007

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69818160T Expired - Fee Related DE69818160T2 (de) 1997-07-08 1998-06-22 Optischer Kodierer

Country Status (4)

Country Link
US (1) US6127677A (de)
EP (1) EP0890842B1 (de)
JP (1) JPH1123322A (de)
DE (1) DE69818160T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922009B4 (de) * 1999-05-12 2012-02-16 Dr. Johannes Heidenhain Gmbh Rotatorische Positionsmeßeinrichtung
US20030145331A1 (en) * 2002-01-31 2003-07-31 Escobar George D. Modifying content retrieved from a set-top box
EP1528369B1 (de) * 2003-10-27 2014-03-12 SICK STEGMANN GmbH Optischer Drehwinkelsensor
CN114739325B (zh) * 2022-03-17 2024-03-29 张剑辉 一种步进电机转子中心偏差测量装置及测量方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1259621B (de) * 1965-03-25 1968-01-25 Telefunken Patent Lichtelektrischer Messgenerator
GB1461201A (en) * 1974-03-18 1977-01-13 Plessey Co Ltd Optical tachometer
JPS62123830A (ja) * 1985-11-25 1987-06-05 Sharp Corp ロ−タリ−エンコ−ダ
DE4113720C2 (de) * 1991-04-26 1996-01-11 Daimler Benz Ag Gabellichtschranke
EP0646796B1 (de) * 1993-09-30 1999-12-08 Koninklijke Philips Electronics N.V. Vorrichtung zur optischen Messung der Drehgeschwindigkeit eines Objekts
US5569912A (en) * 1993-09-30 1996-10-29 U.S. Philips Corporation Optical velocity measuring with efficient use of radiation passing through patterns on discs

Also Published As

Publication number Publication date
JPH1123322A (ja) 1999-01-29
EP0890842B1 (de) 2003-09-17
EP0890842A1 (de) 1999-01-13
US6127677A (en) 2000-10-03
DE69818160T2 (de) 2004-04-08

Similar Documents

Publication Publication Date Title
DE69521270D1 (de) Optischer Kodierer
DE69931303D1 (de) Optischer Kodierer
DE69824173D1 (de) Optisches bauelement
DE69826753D1 (de) Optischer Profilsensor
DE59700293D1 (de) Optischer sensor
DE59914644D1 (de) Optischer Sensor
DE59911604D1 (de) Optischer sensor
DE69839419D1 (de) Optisches Element
DE69815919D1 (de) Positionskodierer
DE69836111D1 (de) Optischer Sender-Empfänger
DE59812835D1 (de) Optoelektronisches bauelement
DE59909301D1 (de) Optischer sensor
DE69531464D1 (de) Kodiergerät
FI974225A0 (fi) Optisk mottagare
FI972023A0 (fi) Optisk add/drop-anordning
DE69703171D1 (de) Drehgeber
IDP000009398A (id) Serat geser-dispersi
NO983853D0 (no) Optisk forbindelse
DE59807663D1 (de) Endoskopobjektiv
DE69939508D1 (de) Optischer Sensor
DE69842255D1 (de) Optisches abtastgerät
ID25903A (id) Lensa oftalmik holografik
DE69805163D1 (de) Optisches system
DE59809683D1 (de) Opto-elektronischer Sensor
DE69836507D1 (de) Kodierer

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee