ATE375500T1 - Verfahren und vorrichtung für absolute optische codierer mit verringerter empfindlichkeit gegenüber skalierungs- oder plattenanbringfehlern - Google Patents

Verfahren und vorrichtung für absolute optische codierer mit verringerter empfindlichkeit gegenüber skalierungs- oder plattenanbringfehlern

Info

Publication number
ATE375500T1
ATE375500T1 AT04728729T AT04728729T ATE375500T1 AT E375500 T1 ATE375500 T1 AT E375500T1 AT 04728729 T AT04728729 T AT 04728729T AT 04728729 T AT04728729 T AT 04728729T AT E375500 T1 ATE375500 T1 AT E375500T1
Authority
AT
Austria
Prior art keywords
absolute
incremental
disk
tracks
scale element
Prior art date
Application number
AT04728729T
Other languages
English (en)
Inventor
Mikael Nordenfelt
Mikael Hertzman
Staffan Palm
Magnus Westermark
Original Assignee
Trimble 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 Trimble Ab filed Critical Trimble Ab
Application granted granted Critical
Publication of ATE375500T1 publication Critical patent/ATE375500T1/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Analogue/Digital Conversion (AREA)
AT04728729T 2003-04-22 2004-04-21 Verfahren und vorrichtung für absolute optische codierer mit verringerter empfindlichkeit gegenüber skalierungs- oder plattenanbringfehlern ATE375500T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0301164A SE0301164D0 (sv) 2003-04-22 2003-04-22 Improved high accuracy absolute optical encoder

Publications (1)

Publication Number Publication Date
ATE375500T1 true ATE375500T1 (de) 2007-10-15

Family

ID=20291082

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04728729T ATE375500T1 (de) 2003-04-22 2004-04-21 Verfahren und vorrichtung für absolute optische codierer mit verringerter empfindlichkeit gegenüber skalierungs- oder plattenanbringfehlern

Country Status (7)

Country Link
US (1) US7589313B2 (de)
EP (1) EP1616151B1 (de)
JP (1) JP4927532B2 (de)
AT (1) ATE375500T1 (de)
DE (1) DE602004009429T2 (de)
SE (1) SE0301164D0 (de)
WO (1) WO2004094957A1 (de)

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EP2693166B1 (de) 2012-07-31 2015-09-09 SICK STEGMANN GmbH Sende- und Empfangseinheit und Drehgeber mit einer solchen
JP6401542B2 (ja) * 2014-08-07 2018-10-10 株式会社トプコン アブソリュートエンコーダ、測量装置
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CN115898063B (zh) * 2023-03-13 2023-05-23 福建福清核电有限公司 一种高层构筑物表面维护装置及方法
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EP4556849A1 (de) 2023-11-17 2025-05-21 Hilti Aktiengesellschaft Verfahren zum richten eines vermessungsinstruments auf einen interessierenden punkt
EP4556848A1 (de) 2023-11-17 2025-05-21 Hilti Aktiengesellschaft Verfahren zum betreiben eines vermessungsinstruments zum verfolgen eines ziels

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Also Published As

Publication number Publication date
SE0301164D0 (sv) 2003-04-22
US7589313B2 (en) 2009-09-15
EP1616151B1 (de) 2007-10-10
US20060243895A1 (en) 2006-11-02
EP1616151A1 (de) 2006-01-18
JP4927532B2 (ja) 2012-05-09
JP2006524335A (ja) 2006-10-26
DE602004009429T2 (de) 2008-10-16
WO2004094957A1 (en) 2004-11-04
DE602004009429D1 (de) 2007-11-22

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