AU2657197A - A quasi-absolute encoder - Google Patents

A quasi-absolute encoder

Info

Publication number
AU2657197A
AU2657197A AU26571/97A AU2657197A AU2657197A AU 2657197 A AU2657197 A AU 2657197A AU 26571/97 A AU26571/97 A AU 26571/97A AU 2657197 A AU2657197 A AU 2657197A AU 2657197 A AU2657197 A AU 2657197A
Authority
AU
Australia
Prior art keywords
quasi
absolute encoder
encoder
absolute
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
AU26571/97A
Inventor
Lennart Stridsberg
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.)
Stridsberg Innovation AB
Original Assignee
Stridsberg Innovation 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 Stridsberg Innovation AB filed Critical Stridsberg Innovation AB
Publication of AU2657197A publication Critical patent/AU2657197A/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
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
AU26571/97A 1996-04-22 1997-04-22 A quasi-absolute encoder Abandoned AU2657197A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9601551 1996-04-22
SE9601551A SE9601551D0 (en) 1996-04-22 1996-04-22 A quasi-absolute encoder
PCT/SE1997/000680 WO1997040345A1 (en) 1996-04-22 1997-04-22 A quasi-absolute encoder

Publications (1)

Publication Number Publication Date
AU2657197A true AU2657197A (en) 1997-11-12

Family

ID=20402316

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26571/97A Abandoned AU2657197A (en) 1996-04-22 1997-04-22 A quasi-absolute encoder

Country Status (3)

Country Link
AU (1) AU2657197A (en)
SE (1) SE9601551D0 (en)
WO (1) WO1997040345A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10323921A1 (en) * 2003-05-22 2004-12-16 Carl Zeiss Jena Gmbh Adjustable pinhole, especially for a laser scanning microscope
JP4960133B2 (en) 2007-04-11 2012-06-27 株式会社ミツトヨ Absolute position measuring encoder
JP5286584B2 (en) * 2007-06-19 2013-09-11 株式会社ミツトヨ Absolute position measuring encoder
US10119842B1 (en) 2014-08-05 2018-11-06 X Development Llc Encoder design and use
US9261893B1 (en) 2014-09-17 2016-02-16 Google Inc. Encoder update by using regenerative power

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111642B1 (en) * 1982-09-20 1993-07-28 Shimadzu Corporation Method and apparatus for measuring a displacement of one member relative to another
DE3809569A1 (en) * 1988-03-22 1989-10-05 Frankl & Kirchner POSITION SENSOR
DE3939620A1 (en) * 1989-11-30 1991-06-06 Microtap Gmbh TURNING ANGLE
JPH0412223A (en) * 1990-04-28 1992-01-16 Matsushita Electric Ind Co Ltd Position detecting device
AT404300B (en) * 1992-02-20 1998-10-27 Rsf Elektronik Gmbh ENCODER

Also Published As

Publication number Publication date
SE9601551D0 (en) 1996-04-22
WO1997040345A1 (en) 1997-10-30

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