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IT201900003813A1 - Encoder lineare - Google Patents

Encoder lineare

Info

Publication number
IT201900003813A1
IT201900003813A1 IT102019000003813A IT201900003813A IT201900003813A1 IT 201900003813 A1 IT201900003813 A1 IT 201900003813A1 IT 102019000003813 A IT102019000003813 A IT 102019000003813A IT 201900003813 A IT201900003813 A IT 201900003813A IT 201900003813 A1 IT201900003813 A1 IT 201900003813A1
Authority
IT
Italy
Prior art keywords
linear encoder
encoder
linear
Prior art date
Application number
IT102019000003813A
Other languages
English (en)
Inventor
Vladi Parpajola
Original Assignee
Parpas S P A
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 Parpas S P A filed Critical Parpas S P A
Priority to IT102019000003813A priority Critical patent/IT201900003813A1/it
Priority to US17/439,255 priority patent/US11719558B2/en
Priority to PCT/IB2020/052279 priority patent/WO2020188432A1/en
Priority to CA3133593A priority patent/CA3133593A1/en
Priority to PL20718367.4T priority patent/PL3938735T3/pl
Priority to CN202080021212.1A priority patent/CN113939715B/zh
Priority to EP20718367.4A priority patent/EP3938735B1/en
Priority to ES20718367T priority patent/ES2984521T3/es
Priority to PT207183674T priority patent/PT3938735T/pt
Publication of IT201900003813A1 publication Critical patent/IT201900003813A1/it

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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24428—Error prevention
    • G01D5/24433—Error prevention by mechanical means
    • G01D5/24442—Error prevention by mechanical means by mounting means
    • 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
    • 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)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
IT102019000003813A 2019-03-15 2019-03-15 Encoder lineare IT201900003813A1 (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
IT102019000003813A IT201900003813A1 (it) 2019-03-15 2019-03-15 Encoder lineare
US17/439,255 US11719558B2 (en) 2019-03-15 2020-03-13 Linear encoder with thermal stabilization functionality
PCT/IB2020/052279 WO2020188432A1 (en) 2019-03-15 2020-03-13 Linear encoder
CA3133593A CA3133593A1 (en) 2019-03-15 2020-03-13 Linear encoder
PL20718367.4T PL3938735T3 (pl) 2019-03-15 2020-03-13 Enkoder liniowy
CN202080021212.1A CN113939715B (zh) 2019-03-15 2020-03-13 线性编码器
EP20718367.4A EP3938735B1 (en) 2019-03-15 2020-03-13 Linear encoder
ES20718367T ES2984521T3 (es) 2019-03-15 2020-03-13 Codificador lineal
PT207183674T PT3938735T (pt) 2019-03-15 2020-03-13 Codificador linear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000003813A IT201900003813A1 (it) 2019-03-15 2019-03-15 Encoder lineare

Publications (1)

Publication Number Publication Date
IT201900003813A1 true IT201900003813A1 (it) 2020-09-15

Family

ID=66867670

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000003813A IT201900003813A1 (it) 2019-03-15 2019-03-15 Encoder lineare

Country Status (9)

Country Link
US (1) US11719558B2 (it)
EP (1) EP3938735B1 (it)
CN (1) CN113939715B (it)
CA (1) CA3133593A1 (it)
ES (1) ES2984521T3 (it)
IT (1) IT201900003813A1 (it)
PL (1) PL3938735T3 (it)
PT (1) PT3938735T (it)
WO (1) WO2020188432A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4109046B1 (de) * 2021-06-21 2024-08-07 Dr. Johannes Heidenhain GmbH Positionsmesseinrichtung
US12031851B2 (en) 2022-05-12 2024-07-09 Dtl Linear, Llc Actuator apparatus with light actuated position sensor and secure position verification
US12515715B2 (en) 2022-05-12 2026-01-06 Dtl Linear, Llc Actuator apparatus with precision bearings and light sensor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079943A (en) * 1980-07-21 1982-01-27 Mitutoyo Mfg Co Ltd Displacement measuring instrument
DE9422027U1 (de) * 1994-07-13 1997-09-04 Dr. Johannes Heidenhain Gmbh, 83301 Traunreut Positionsmeßeinrichtung
EP2908100A1 (de) * 2014-02-18 2015-08-19 Hexagon Technology Center GmbH System zur Bestimmung von Relativpositionen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6399940B1 (en) * 1999-05-10 2002-06-04 Fanuc America Corporation Optical rotary position encoder
GB0201101D0 (en) * 2002-01-18 2002-03-06 Renishaw Plc Laser marking
JP2006287014A (ja) * 2005-04-01 2006-10-19 Canon Inc 位置決め装置およびリニアモータ
JP5088564B2 (ja) * 2008-02-22 2012-12-05 Ｎｋワークス株式会社 プリント装置
JP5896804B2 (ja) * 2012-03-26 2016-03-30 三菱電機株式会社 リードヘッド制御機構、及び光学式エンコーダ
ES2700616T3 (es) * 2016-09-12 2019-02-18 Heidenhain Gmbh Dr Johannes Dispositivo de medición de longitud y procedimiento para su montaje

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079943A (en) * 1980-07-21 1982-01-27 Mitutoyo Mfg Co Ltd Displacement measuring instrument
DE9422027U1 (de) * 1994-07-13 1997-09-04 Dr. Johannes Heidenhain Gmbh, 83301 Traunreut Positionsmeßeinrichtung
EP2908100A1 (de) * 2014-02-18 2015-08-19 Hexagon Technology Center GmbH System zur Bestimmung von Relativpositionen

Also Published As

Publication number Publication date
US20220187104A1 (en) 2022-06-16
EP3938735B1 (en) 2024-03-13
ES2984521T3 (es) 2024-10-29
CA3133593A1 (en) 2020-09-24
PT3938735T (pt) 2024-03-27
EP3938735A1 (en) 2022-01-19
PL3938735T3 (pl) 2024-07-08
US11719558B2 (en) 2023-08-08
WO2020188432A1 (en) 2020-09-24
CN113939715A (zh) 2022-01-14
CN113939715B (zh) 2025-02-25

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