WO2001033162A1 - Eddy current error-reduced ac magnetic position measurement system - Google Patents
Eddy current error-reduced ac magnetic position measurement system Download PDFInfo
- Publication number
- WO2001033162A1 WO2001033162A1 PCT/US2000/028857 US0028857W WO0133162A1 WO 2001033162 A1 WO2001033162 A1 WO 2001033162A1 US 0028857 W US0028857 W US 0028857W WO 0133162 A1 WO0133162 A1 WO 0133162A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- magnetic field
- vectors
- receiver
- transmitter
- field vectors
- Prior art date
Links
Classifications
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- 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
- G01D5/12—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 using electric or magnetic means
- G01D5/14—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 using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/204—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2086—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of two or more coils with respect to two or more other coils
- G01D5/2093—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of two or more coils with respect to two or more other coils using polyphase currents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/22—Aiming or laying means for vehicle-borne armament, e.g. on aircraft
- F41G3/225—Helmet sighting systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
- G01D5/12—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 using electric or magnetic means
- G01D5/14—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 using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/204—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2086—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of two or more coils with respect to two or more other coils
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10083648T DE10083648T1 (en) | 1999-10-29 | 2000-10-27 | AC magnet position measuring system with eddy current error reduction |
AU13357/01A AU1335701A (en) | 1999-10-29 | 2000-10-27 | Eddy current error-reduced ac magnetic position measurement system |
JP2001535000A JP2003513260A (en) | 1999-10-29 | 2000-10-27 | AC magnetic position measurement system with reduced error due to eddy current |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/430,292 | 1999-10-29 | ||
US09/430,292 US6172499B1 (en) | 1999-10-29 | 1999-10-29 | Eddy current error-reduced AC magnetic position measurement system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001033162A1 true WO2001033162A1 (en) | 2001-05-10 |
Family
ID=23706901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/028857 WO2001033162A1 (en) | 1999-10-29 | 2000-10-27 | Eddy current error-reduced ac magnetic position measurement system |
Country Status (5)
Country | Link |
---|---|
US (1) | US6172499B1 (en) |
JP (1) | JP2003513260A (en) |
AU (1) | AU1335701A (en) |
DE (1) | DE10083648T1 (en) |
WO (1) | WO2001033162A1 (en) |
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JP2004174244A (en) * | 2002-11-22 | 2004-06-24 | Biosense Inc | Compensation of dynamic metal |
US8012217B2 (en) | 2008-07-03 | 2011-09-06 | Fellowship of Orthopaedic Researchers, LLC | Talar implants and methods of use |
US8043375B2 (en) | 2008-03-06 | 2011-10-25 | MoiRai Orthopaedic, LLC | Cartilage implants |
US8690956B2 (en) | 2010-08-23 | 2014-04-08 | Fellowship Of Orthopaedic Researchers, Inc. | Talar implants and methods of use |
US8852286B2 (en) | 2009-08-25 | 2014-10-07 | Fellowship Of Orthopaedic Researchers, Inc. | Trochlear implants and methods of use |
US9326705B2 (en) | 2009-09-01 | 2016-05-03 | Adidas Ag | Method and system for monitoring physiological and athletic performance characteristics of a subject |
CN106240455A (en) * | 2016-08-28 | 2016-12-21 | 郭礼 | A kind of safety reminding device of military truck transport military equipment |
US9526419B2 (en) | 2009-09-01 | 2016-12-27 | Adidas Ag | Garment for physiological characteristics monitoring |
US9545222B2 (en) | 2009-09-01 | 2017-01-17 | Adidas Ag | Garment with noninvasive method and system for monitoring physiological characteristics and athletic performance |
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Also Published As
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JP2003513260A (en) | 2003-04-08 |
AU1335701A (en) | 2001-05-14 |
US6172499B1 (en) | 2001-01-09 |
DE10083648T1 (en) | 2003-04-24 |
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