FI902883A - OPTICAL REFLEXIONSGIVARE. - Google Patents

OPTICAL REFLEXIONSGIVARE. Download PDF

Info

Publication number
FI902883A
FI902883A FI902883A FI902883A FI902883A FI 902883 A FI902883 A FI 902883A FI 902883 A FI902883 A FI 902883A FI 902883 A FI902883 A FI 902883A FI 902883 A FI902883 A FI 902883A
Authority
FI
Finland
Prior art keywords
reflexionsgivare
optical
optical reflexionsgivare
Prior art date
Application number
FI902883A
Other languages
Finnish (fi)
Other versions
FI902883A0 (en
Inventor
Heimo Keraenen
Original Assignee
Partek Ab
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 Partek Ab filed Critical Partek Ab
Priority to FI902883A priority Critical patent/FI902883A/en
Publication of FI902883A0 publication Critical patent/FI902883A0/en
Priority to AU79861/91A priority patent/AU7986191A/en
Priority to PCT/FI1991/000179 priority patent/WO1991019163A1/en
Publication of FI902883A publication Critical patent/FI902883A/en

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
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10762—Relative movement

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
FI902883A 1990-06-08 1990-06-08 OPTICAL REFLEXIONSGIVARE. FI902883A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI902883A FI902883A (en) 1990-06-08 1990-06-08 OPTICAL REFLEXIONSGIVARE.
AU79861/91A AU7986191A (en) 1990-06-08 1991-06-06 An optical reflection detector
PCT/FI1991/000179 WO1991019163A1 (en) 1990-06-08 1991-06-06 An optical reflection detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI902883A FI902883A (en) 1990-06-08 1990-06-08 OPTICAL REFLEXIONSGIVARE.

Publications (2)

Publication Number Publication Date
FI902883A0 FI902883A0 (en) 1990-06-08
FI902883A true FI902883A (en) 1991-12-09

Family

ID=8530595

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902883A FI902883A (en) 1990-06-08 1990-06-08 OPTICAL REFLEXIONSGIVARE.

Country Status (3)

Country Link
AU (1) AU7986191A (en)
FI (1) FI902883A (en)
WO (1) WO1991019163A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344650C1 (en) * 1993-12-24 1995-01-26 Mtu Muenchen Gmbh Signalling device for turbomachines (fluid-flow engines, fluid-kinetic machines)
GB201916641D0 (en) * 2019-11-15 2020-01-01 Renishaw Plc Position measurement device
GB201916662D0 (en) 2019-11-15 2020-01-01 Renishaw Plc Encoder apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2114834A (en) * 1982-02-12 1983-08-24 Solenoids And Regulators Limit Displacement encoder
US4974164A (en) * 1988-05-02 1990-11-27 Lewis Gainer R Digital measuring and proportioning instrument

Also Published As

Publication number Publication date
WO1991019163A1 (en) 1991-12-12
AU7986191A (en) 1991-12-31
FI902883A0 (en) 1990-06-08

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: OY PARTEK AB