CA1203602A - Magnetic sensing for monitors and controllers - Google Patents

Magnetic sensing for monitors and controllers

Info

Publication number
CA1203602A
CA1203602A CA000443519A CA443519A CA1203602A CA 1203602 A CA1203602 A CA 1203602A CA 000443519 A CA000443519 A CA 000443519A CA 443519 A CA443519 A CA 443519A CA 1203602 A CA1203602 A CA 1203602A
Authority
CA
Canada
Prior art keywords
probes
sensing
field strength
value
magnetic field
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.)
Expired
Application number
CA000443519A
Other languages
English (en)
French (fr)
Inventor
Christian C. Petersen
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.)
Polaroid Corp
Original Assignee
Polaroid 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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of CA1203602A publication Critical patent/CA1203602A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/20—Control of position or direction using feedback using a digital comparing device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Position Or Direction (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
CA000443519A 1982-12-28 1983-12-16 Magnetic sensing for monitors and controllers Expired CA1203602A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/454,045 US4658214A (en) 1982-12-28 1982-12-28 Magnetic position indicator using multiple probes
US454,045 1982-12-28

Publications (1)

Publication Number Publication Date
CA1203602A true CA1203602A (en) 1986-04-22

Family

ID=23803060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000443519A Expired CA1203602A (en) 1982-12-28 1983-12-16 Magnetic sensing for monitors and controllers

Country Status (5)

Country Link
US (1) US4658214A (enExample)
EP (1) EP0114404B1 (enExample)
JP (1) JPS59133409A (enExample)
CA (1) CA1203602A (enExample)
DE (2) DE114404T1 (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731770A (en) * 1986-03-03 1988-03-15 Polaroid Corporation Method and apparatus for controlling transducer
US4792788A (en) * 1987-11-23 1988-12-20 General Electric Company Position indicating system
JP2570654B2 (ja) * 1987-12-08 1997-01-08 日本精工株式会社 変位検出装置
US4883037A (en) * 1988-02-17 1989-11-28 Automotive Products Plc Throttle control system
US5201838A (en) * 1989-09-05 1993-04-13 Philippe Roudaut Position indicator for a piston controlled robot part
JP3038874B2 (ja) * 1990-10-16 2000-05-08 ソニー株式会社 撮像装置
JPH04166906A (ja) * 1990-10-31 1992-06-12 Sony Corp レンズ鏡筒の初期位置検出装置
JP3347766B2 (ja) * 1992-06-08 2002-11-20 日本トムソン株式会社 リニアエンコーダ及びこれを具備した案内ユニット
EP0590222A1 (en) * 1992-09-30 1994-04-06 STMicroelectronics S.r.l. Magnetic position sensor
EP0668486A3 (de) * 1994-02-22 1997-07-30 Heidenhain Gmbh Dr Johannes Längen- oder Winkelmesseinrichtung.
CA2143900C (en) * 1995-03-03 2000-05-09 John Robbins Scanner mechanism for use in differential optical absorption spectroscopy (doas)
DE19617347A1 (de) * 1996-04-30 1997-11-06 Weber Hydraulik Gmbh Kolben-Zylindereinheit
US5859531A (en) * 1996-07-25 1999-01-12 Maurice; Lisa Brackenbury Displacement apparatus using a magnetic optic sensor and position dependent magnetic field
DE19738316A1 (de) * 1997-09-02 1999-03-04 Itt Mfg Enterprises Inc Berührungsloser Wegmesser insbesondere zur Verschleißmessung von Bremsklötzen
TNSN00089A1 (fr) 1999-04-26 2002-05-30 Int Paper Co Scelleur a machoires multiples
FR2809487B1 (fr) * 2000-05-23 2002-08-16 Sagem Capteur de position axiale pour une tige mobile axialement et actionneur electromagnetique de soupape qui en est equipe
WO2003063324A1 (fr) * 2002-01-21 2003-07-31 Jinming Zhang Moteur pas-a-pas magnetique permanent
DE20317595U1 (de) * 2003-11-13 2004-02-12 Oculus Optikgeräte GmbH Gerät zur Durchführung von Untersuchungen am menschlichen Auge
US9011329B2 (en) 2004-04-19 2015-04-21 Searete Llc Lumenally-active device
US8024036B2 (en) 2007-03-19 2011-09-20 The Invention Science Fund I, Llc Lumen-traveling biological interface device and method of use
US8361013B2 (en) 2004-04-19 2013-01-29 The Invention Science Fund I, Llc Telescoping perfusion management system
US8353896B2 (en) 2004-04-19 2013-01-15 The Invention Science Fund I, Llc Controllable release nasal system
US8512219B2 (en) 2004-04-19 2013-08-20 The Invention Science Fund I, Llc Bioelectromagnetic interface system
US20070244520A1 (en) * 2004-04-19 2007-10-18 Searete Llc Lumen-traveling biological interface device and method of use
US8337482B2 (en) 2004-04-19 2012-12-25 The Invention Science Fund I, Llc System for perfusion management
US8092549B2 (en) 2004-09-24 2012-01-10 The Invention Science Fund I, Llc Ciliated stent-like-system
US20120035540A1 (en) 2006-04-12 2012-02-09 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Event-based control of a lumen traveling device
US8145295B2 (en) 2006-04-12 2012-03-27 The Invention Science Fund I, Llc Methods and systems for untethered autofluorescent imaging, target ablation, and movement of untethered device in a lumen
US8163003B2 (en) * 2006-06-16 2012-04-24 The Invention Science Fund I, Llc Active blood vessel sleeve methods and systems
JP5483516B2 (ja) * 2006-09-20 2014-05-07 旭化成エレクトロニクス株式会社 位置検出装置、位置検出装置を有する光学系と撮像装置
JP4941790B2 (ja) * 2009-08-28 2012-05-30 村田機械株式会社 移動体システム
JP5421709B2 (ja) * 2009-09-30 2014-02-19 Ｔｈｋ株式会社 リニアモータの駆動システム及び制御方法
CN103234564B (zh) * 2013-04-15 2015-11-11 山东联友通信科技发展有限公司 基于二维磁编码的定位方法及定位系统
US10591627B2 (en) 2016-11-08 2020-03-17 Frederick Energy Products, Llc Managing vehicle movement in aisles by use of magnetic vectors
DE102019124396B4 (de) * 2019-09-11 2021-05-20 Infineon Technologies Ag Stromsensor und verfahren zum erfassen einer stärke eines elektrischen stroms
CN112253084B (zh) * 2020-09-15 2024-02-27 中石化石油工程技术服务有限公司 一种井下双探头磁测量装置及方法
WO2022174111A1 (en) * 2021-02-12 2022-08-18 Frederick Energy Products, Llc Magnetic vector dynamics for managing vehicle movements

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3329833A (en) * 1967-07-04 Hall effect transducer for scanning magnetic scale indicia
US3199630A (en) * 1958-01-24 1965-08-10 Siemens Ag Position sensing devices, particularly in hoisting and conveying systems
DE1201874B (de) * 1958-05-22 1965-09-30 Siemens Ag Wiedergabekopf fuer magnetische Aufzeichnungen
US3344347A (en) * 1963-08-23 1967-09-26 Bell Inc F W Method and apparatus for determining displacement utilizing a hall plate positioned tangential to an arcuate magnetic field
DE1463657A1 (de) * 1964-11-25 1970-02-12 Siemens Ag Einrichtung zum Steuern von Bewegungsvorgaengen innerhalb eines Magnetfeldes
US3419798A (en) * 1965-12-17 1968-12-31 Clark Equipment Co Displacement sensing transducer using hall effect devices
US3449664A (en) * 1966-05-16 1969-06-10 Bell Inc F W Magnetic reaction testing apparatus and method of testing utilizing semiconductor means for magnetic field sensing of an eddy-current-reaction magnetic field
DE1303818C2 (de) * 1966-09-22 1973-08-02 Siemens Ag Analoger hysteresefreier weggeber mit hallgenerator
JPS51119976A (en) * 1975-04-15 1976-10-20 Futaba Denshi Kogyo Kk Switching device for reed switch
JPS5293322A (en) * 1976-02-02 1977-08-05 Fuji Photo Film Co Ltd Electromagnetic shutter
US4112450A (en) * 1976-02-18 1978-09-05 Fuji Photo Film Co., Ltd. Shutter device for a photographic camera
US4093197A (en) * 1977-03-16 1978-06-06 Sears Manufacturing Company Leaf spring suspension
US4318038A (en) * 1978-11-15 1982-03-02 Nippon Electric Co., Ltd. Moving-coil linear motor
GB2071333B (en) * 1980-02-22 1984-02-01 Sony Corp Magnetic sensor device
US4317624A (en) * 1980-11-03 1982-03-02 Polaroid Corporation Strobe camera having range correlated scanning blade endoding
US4325614A (en) * 1980-12-16 1982-04-20 Polaroid Corporation Exposure control system with shutter operation controlled by a microcomputer

Also Published As

Publication number Publication date
DE3377749D1 (en) 1988-09-22
DE114404T1 (de) 1984-12-20
JPS59133409A (ja) 1984-07-31
JPH0350961B2 (enExample) 1991-08-05
EP0114404B1 (en) 1988-08-17
US4658214A (en) 1987-04-14
EP0114404A1 (en) 1984-08-01

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