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AU2003262009A1 - Encoder device and measuring instrument - Google Patents

Encoder device and measuring instrument

Info

Publication number
AU2003262009A1
AU2003262009A1 AU2003262009A AU2003262009A AU2003262009A1 AU 2003262009 A1 AU2003262009 A1 AU 2003262009A1 AU 2003262009 A AU2003262009 A AU 2003262009A AU 2003262009 A AU2003262009 A AU 2003262009A AU 2003262009 A1 AU2003262009 A1 AU 2003262009A1
Authority
AU
Australia
Prior art keywords
measuring instrument
encoder device
encoder
instrument
measuring
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.)
Abandoned
Application number
AU2003262009A
Inventor
Takeshi Iwashita
Akio Morozumi
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.)
T and D Corp
Original Assignee
T and D Corp
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 T and D Corp filed Critical T and D Corp
Publication of AU2003262009A1 publication Critical patent/AU2003262009A1/en
Abandoned legal-status Critical Current

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
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34784—Absolute encoders with analogue or digital scales with only analogue scales or both analogue and incremental scales

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AU2003262009A 2002-09-09 2003-09-09 Encoder device and measuring instrument Abandoned AU2003262009A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002-263047 2002-09-09
JP2002263047A JP2006078178A (en) 2002-09-09 2002-09-09 Encoder device and measuring device
PCT/JP2003/011475 WO2004023079A1 (en) 2002-09-09 2003-09-09 Encoder device and measuring instrument

Publications (1)

Publication Number Publication Date
AU2003262009A1 true AU2003262009A1 (en) 2004-03-29

Family

ID=31973176

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003262009A Abandoned AU2003262009A1 (en) 2002-09-09 2003-09-09 Encoder device and measuring instrument

Country Status (3)

Country Link
JP (1) JP2006078178A (en)
AU (1) AU2003262009A1 (en)
WO (1) WO2004023079A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5170046B2 (en) 2009-09-18 2013-03-27 株式会社安川電機 Rotary encoder, rotary motor, rotary motor system, disk, and method for manufacturing rotary encoder
JP5560054B2 (en) 2010-01-22 2014-07-23 株式会社トプコン Tilt detection device and laser surveying instrument
JP5126290B2 (en) * 2010-06-07 2013-01-23 株式会社安川電機 Encoder, servo motor, servo unit, and encoder manufacturing method
JP5574899B2 (en) * 2010-09-24 2014-08-20 キヤノン株式会社 Rotary encoder and optical apparatus equipped with the same
GB2492625B (en) 2011-06-06 2014-12-03 Canon Kk Driving apparatus, camera platform apparatus and driving method of controlling the driving apparatus
JP2016205855A (en) * 2015-04-16 2016-12-08 株式会社小野測器 Rotary encoder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214426A (en) * 1988-07-12 1993-05-25 Furuno Electric Company, Limited Rotary encoder having absolute angle patterns and relative angle patterns
JPH0372314U (en) * 1989-11-16 1991-07-22
JPH10111148A (en) * 1996-10-04 1998-04-28 Seiko Precision Kk Detecting device for angle of rotation

Also Published As

Publication number Publication date
WO2004023079A1 (en) 2004-03-18
JP2006078178A (en) 2006-03-23

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase