LT4134634T - Padėties kodavimo aparatas - Google Patents

Padėties kodavimo aparatas

Info

Publication number
LT4134634T
LT4134634T LTEP22275108.3T LT22275108T LT4134634T LT 4134634 T LT4134634 T LT 4134634T LT 22275108 T LT22275108 T LT 22275108T LT 4134634 T LT4134634 T LT 4134634T
Authority
LT
Lithuania
Prior art keywords
position encoder
encoder apparatus
encoder
Prior art date
Application number
LTEP22275108.3T
Other languages
English (en)
Inventor
Harrison FISHER
Original Assignee
Renishaw Plc
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
Priority claimed from EP21275112.7A external-priority patent/EP4134633A1/en
Application filed by Renishaw Plc filed Critical Renishaw Plc
Publication of LT4134634T publication Critical patent/LT4134634T/lt

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
    • 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
    • G01D5/34746—Linear encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
LTEP22275108.3T 2021-08-12 2022-08-11 Padėties kodavimo aparatas LT4134634T (lt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21275112.7A EP4134633A1 (en) 2021-08-12 2021-08-12 Position encoder apparatus
PCT/GB2022/052072 WO2023017254A1 (en) 2021-08-12 2022-08-09 Position encoder apparatus

Publications (1)

Publication Number Publication Date
LT4134634T true LT4134634T (lt) 2024-03-25

Family

ID=82781144

Family Applications (1)

Application Number Title Priority Date Filing Date
LTEP22275108.3T LT4134634T (lt) 2021-08-12 2022-08-11 Padėties kodavimo aparatas

Country Status (4)

Country Link
EP (2) EP4384778A1 (lt)
KR (1) KR20240042465A (lt)
CN (1) CN117813481A (lt)
LT (1) LT4134634T (lt)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279044A (en) 1991-03-12 1994-01-18 U.S. Philips Corporation Measuring device for determining an absolute position of a movable element and scale graduation element suitable for use in such a measuring device
GB9424969D0 (en) 1994-12-10 1995-02-08 Renishaw Plc Opto-electronic scale reading apparatus
GB0109057D0 (en) 2001-04-11 2001-05-30 Renishaw Plc Absolute postition measurement
GB0413710D0 (en) 2004-06-21 2004-07-21 Renishaw Plc Scale reading apparatus
DE102007050253A1 (de) * 2007-10-20 2009-04-23 Dr. Johannes Heidenhain Gmbh Detektorelement-Array für eine optische Positionsmesseinrichtung
GB0906257D0 (en) 2009-04-08 2009-05-20 Renishaw Plc Position encoder apparatus
GB0907842D0 (en) 2009-05-06 2009-06-17 Renishaw Plc Position encoder apparatus and method of operation
GB0909724D0 (en) 2009-06-05 2009-07-22 Renishaw Plc Position measurement encoder and method of operation
US11061338B2 (en) * 2014-04-17 2021-07-13 Nikon Corporation High-resolution position encoder with image sensor and encoded target pattern
EP3347681B1 (en) 2015-09-09 2020-09-02 Renishaw Plc. Encoder apparatus
JP6971822B2 (ja) * 2017-12-11 2021-11-24 キヤノン株式会社 エンコーダ、ロボット及びギャップ測定方法
US11378422B2 (en) * 2018-11-05 2022-07-05 Tt Electronics Plc Method and apparatus for improved performance in encoder systems by configuring a detector array using a partition map and assigning weights to output currents of the detector array
GB201916641D0 (en) 2019-11-15 2020-01-01 Renishaw Plc Position measurement device

Also Published As

Publication number Publication date
EP4134634A1 (en) 2023-02-15
EP4384778A1 (en) 2024-06-19
KR20240042465A (ko) 2024-04-02
CN117813481A (zh) 2024-04-02
EP4134634B1 (en) 2024-02-14

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