ZA906177B - Null seeking position sensor - Google Patents

Null seeking position sensor

Info

Publication number
ZA906177B
ZA906177B ZA906177A ZA906177A ZA906177B ZA 906177 B ZA906177 B ZA 906177B ZA 906177 A ZA906177 A ZA 906177A ZA 906177 A ZA906177 A ZA 906177A ZA 906177 B ZA906177 B ZA 906177B
Authority
ZA
South Africa
Prior art keywords
position sensor
seeking position
null seeking
null
sensor
Prior art date
Application number
ZA906177A
Other languages
English (en)
Inventor
George H Ellis
H Ellis George
James C Kirby
C Kirby James
Original Assignee
Kollmorgen 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 Kollmorgen Corp filed Critical Kollmorgen Corp
Publication of ZA906177B publication Critical patent/ZA906177B/xx

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
    • G01D5/12—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
    • G01D5/2053—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 a movable non-ferromagnetic conductive element
    • 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
    • G01D5/22—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 differentially influencing two coils
    • G01D5/2208—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 differentially influencing two coils by influencing the self-induction of the coils
    • G01D5/2225—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 differentially influencing two coils by influencing the self-induction of the coils by a movable non-ferromagnetic conductive element

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
ZA906177A 1989-08-09 1990-08-06 Null seeking position sensor ZA906177B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/391,430 US5015998A (en) 1989-08-09 1989-08-09 Null seeking position sensor

Publications (1)

Publication Number Publication Date
ZA906177B true ZA906177B (en) 1991-10-30

Family

ID=23546559

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA906177A ZA906177B (en) 1989-08-09 1990-08-06 Null seeking position sensor

Country Status (8)

Country Link
US (1) US5015998A (fr)
EP (1) EP0478813B1 (fr)
JP (1) JPH03105209A (fr)
AU (1) AU6009090A (fr)
CA (1) CA2022943A1 (fr)
DE (1) DE4103933C2 (fr)
GB (1) GB2248503A (fr)
ZA (1) ZA906177B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6037875A (en) * 1999-04-05 2000-03-14 Moser; Donald A. Method and apparatus for providing notification of the falling motion of a tree
DE50107527D1 (de) * 2000-07-13 2005-10-27 Siemens Ag Schaltungsanordnung zur Bestimmung des Innenwiderstandes einer linearen Lambdasonde
DE10124760A1 (de) * 2001-05-21 2003-02-20 Siemens Ag Verfahren zur kontaktlosen, linearen Positionsmessung
DE102005007265A1 (de) 2004-09-21 2006-04-06 Micro-Epsilon Messtechnik Gmbh & Co Kg Vorrichtung und Verfahren zur Erfassung der Position und der Geschwindigkeit eines Messobjekts
JP4825027B2 (ja) * 2006-03-15 2011-11-30 ヤンマー株式会社 鎮圧機構及び播種装置
US8222892B2 (en) * 2007-06-27 2012-07-17 Brooks Automation, Inc. Sensor for simultaneous position and gap measurement
KR101659931B1 (ko) 2007-06-27 2016-09-26 브룩스 오토메이션 인코퍼레이티드 다차원 위치 센서
US8283813B2 (en) 2007-06-27 2012-10-09 Brooks Automation, Inc. Robot drive with magnetic spindle bearings
US9752615B2 (en) * 2007-06-27 2017-09-05 Brooks Automation, Inc. Reduced-complexity self-bearing brushless DC motor
WO2009003195A1 (fr) * 2007-06-27 2008-12-31 Brooks Automation, Inc. Stator de moteur présentant une capacité de levage et des caractéristiques de détente réduites
KR101532060B1 (ko) 2007-06-27 2015-06-26 브룩스 오토메이션 인코퍼레이티드 셀프 베어링 모터를 위한 위치 피드백
US8823294B2 (en) * 2007-06-27 2014-09-02 Brooks Automation, Inc. Commutation of an electromagnetic propulsion and guidance system
KR20190077134A (ko) 2007-07-17 2019-07-02 브룩스 오토메이션 인코퍼레이티드 기판 운송 장치
DE102010027017A1 (de) * 2010-07-08 2012-01-12 Siemens Aktiengesellschaft Induktive Sensoreinrichtung sowie induktiver Näherungssensor mit einer induktiven Sensoreinrichtung
DE102012206958A1 (de) * 2012-04-26 2013-10-31 Robert Bosch Gmbh Verfahren und Vorrichtung zur Erfassung eines metallischen Elements
RU2502949C1 (ru) * 2012-08-07 2013-12-27 Владимир Кириллович Куролес Дифференциальный индуктивный измеритель перемещения

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3205485A (en) * 1960-10-21 1965-09-07 Ti Group Services Ltd Screening vane electro-mechanical transducer
GB1604824A (en) * 1978-05-11 1981-12-16 Ranco Inc Displacement measuring transducers
IE55855B1 (en) * 1984-10-19 1991-01-30 Kollmorgen Ireland Ltd Position and speed sensors
DE3602107C2 (de) * 1986-01-24 1996-05-30 Bosch Gmbh Robert Schaltungsanordnung mit Differentialtransformator
IE871118L (en) * 1987-05-01 1988-11-01 Univ Manchester Improvements in or relating to linear motion screened¹inductance sensors.

Also Published As

Publication number Publication date
AU6009090A (en) 1991-02-14
DE4103933A1 (de) 1992-08-20
CA2022943A1 (fr) 1991-02-10
EP0478813B1 (fr) 1994-12-28
GB2248503A (en) 1992-04-08
JPH03105209A (ja) 1991-05-02
US5015998A (en) 1991-05-14
DE4103933C2 (de) 1994-07-21
EP0478813A1 (fr) 1992-04-08
GB9021652D0 (en) 1990-11-21

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