AU3767999A - Encoder with improved sensing resolution - Google Patents

Encoder with improved sensing resolution

Info

Publication number
AU3767999A
AU3767999A AU37679/99A AU3767999A AU3767999A AU 3767999 A AU3767999 A AU 3767999A AU 37679/99 A AU37679/99 A AU 37679/99A AU 3767999 A AU3767999 A AU 3767999A AU 3767999 A AU3767999 A AU 3767999A
Authority
AU
Australia
Prior art keywords
encoder
improved sensing
sensing resolution
resolution
improved
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
AU37679/99A
Inventor
Bruce M Schena
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.)
Immersion Corp
Original Assignee
Immersion 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 Immersion Corp filed Critical Immersion Corp
Publication of AU3767999A publication Critical patent/AU3767999A/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
    • G01D5/36—Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
AU37679/99A 1998-04-30 1999-04-27 Encoder with improved sensing resolution Abandoned AU3767999A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7113698A 1998-04-30 1998-04-30
US09071136 1998-04-30
PCT/US1999/009174 WO1999056087A1 (en) 1998-04-30 1999-04-27 Encoder with improved sensing resolution

Publications (1)

Publication Number Publication Date
AU3767999A true AU3767999A (en) 1999-11-16

Family

ID=22099470

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37679/99A Abandoned AU3767999A (en) 1998-04-30 1999-04-27 Encoder with improved sensing resolution

Country Status (2)

Country Link
AU (1) AU3767999A (en)
WO (1) WO1999056087A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007030603A2 (en) 2005-09-08 2007-03-15 Wms Gaming Inc. Gaming machine having display with sensory feedback
WO2007117418A2 (en) 2006-03-31 2007-10-18 Wms Gaming Inc. Portable wagering game with vibrational cues and feedback mechanism
JP2009031107A (en) * 2007-07-26 2009-02-12 Sumitomo Rubber Ind Ltd Device for measuring angular velocity of tire
US20120302323A1 (en) 2011-05-23 2012-11-29 Wms Gaming Inc. Haptic gaming chairs and wagering game systems and machines with a haptic gaming chair
US9449456B2 (en) 2011-06-13 2016-09-20 Bally Gaming, Inc. Automated gaming chairs and wagering game systems and machines with an automated gaming chair

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007311C2 (en) * 1980-02-27 1985-11-28 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digital photoelectric length or angle measuring system
US4678908A (en) * 1983-07-25 1987-07-07 Bei Electronics, Inc. Zero reference generating method and apparatus for optical encoders
US4680466A (en) * 1984-04-20 1987-07-14 Yokogawa Hokushin Electric Corporation Displacement transducer which simultaneously extracts signals via sequential switching
JPS62278408A (en) * 1986-05-28 1987-12-03 Tamagawa Seiki Co Ltd Analog chopping wave output encoder
US5006703A (en) * 1988-02-22 1991-04-09 Victor Company Of Japan, Ltd. Reflective optical rotary encoder disc
US5068529A (en) * 1988-12-22 1991-11-26 Nikon Corporation Absolute position detection encoder
JPH04142424A (en) * 1990-10-03 1992-05-15 Canon Inc Position detecting device for moving body
JP2695623B2 (en) * 1994-11-25 1998-01-14 株式会社ミツトヨ Optical encoder
CH690463A5 (en) * 1995-03-01 2000-09-15 Portescap incremental optical encoder.
JPH10132612A (en) * 1996-10-28 1998-05-22 Mitsutoyo Corp Optical displacement detecting device
US5844673A (en) * 1998-04-17 1998-12-01 Cambridge Technology, Inc. Axial led position detector for determining the angular position of a rotatable element

Also Published As

Publication number Publication date
WO1999056087A1 (en) 1999-11-04

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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