CN118922688A - 编码器 - Google Patents

编码器 Download PDF

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Publication number
CN118922688A
CN118922688A CN202380029404.0A CN202380029404A CN118922688A CN 118922688 A CN118922688 A CN 118922688A CN 202380029404 A CN202380029404 A CN 202380029404A CN 118922688 A CN118922688 A CN 118922688A
Authority
CN
China
Prior art keywords
light receiving
pattern
light
absolute
region
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.)
Pending
Application number
CN202380029404.0A
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English (en)
Chinese (zh)
Inventor
村上公博
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management 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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of CN118922688A publication Critical patent/CN118922688A/zh
Pending legal-status Critical Current

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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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
CN202380029404.0A 2022-03-29 2023-03-01 编码器 Pending CN118922688A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022054587 2022-03-29
JP2022-054587 2022-03-29
PCT/JP2023/007477 WO2023189128A1 (ja) 2022-03-29 2023-03-01 エンコーダ

Publications (1)

Publication Number Publication Date
CN118922688A true CN118922688A (zh) 2024-11-08

Family

ID=88201102

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380029404.0A Pending CN118922688A (zh) 2022-03-29 2023-03-01 编码器

Country Status (3)

Country Link
JP (1) JPWO2023189128A1 (https=)
CN (1) CN118922688A (https=)
WO (1) WO2023189128A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006046291A1 (ja) * 2004-10-28 2006-05-04 Mitsubishi Denki Kabushiki Kaisha エンコーダ
JP2012173168A (ja) * 2011-02-22 2012-09-10 Iai:Kk エンコーダ、及びアクチュエータ
JP6613895B2 (ja) * 2013-10-02 2019-12-04 株式会社ニコン エンコーダ用スケール、エンコーダ、駆動装置及びステージ装置
JP6263965B2 (ja) * 2013-11-05 2018-01-24 株式会社安川電機 エンコーダ、エンコーダ付きモータ、サーボシステム
WO2016141228A1 (en) * 2015-03-05 2016-09-09 Apple Inc. Optical encoder with direction-dependent optical properties

Also Published As

Publication number Publication date
JPWO2023189128A1 (https=) 2023-10-05
WO2023189128A1 (ja) 2023-10-05

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