[go: up one dir, main page]

RU95108872A - Экранированное обнаружение ближних магнитных полей - Google Patents

Экранированное обнаружение ближних магнитных полей

Info

Publication number
RU95108872A
RU95108872A RU95108872/28A RU95108872A RU95108872A RU 95108872 A RU95108872 A RU 95108872A RU 95108872/28 A RU95108872/28 A RU 95108872/28A RU 95108872 A RU95108872 A RU 95108872A RU 95108872 A RU95108872 A RU 95108872A
Authority
RU
Russia
Prior art keywords
magnetic fields
close magnetic
magnetic
detection
detector
Prior art date
Application number
RU95108872/28A
Other languages
English (en)
Inventor
Дюран Кристофер
Fr]
Сиригю Жерар
Original Assignee
Отис Элевэйтэр Компани (US)
Отис Элевэйтэр Компани
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 Отис Элевэйтэр Компани (US), Отис Элевэйтэр Компани filed Critical Отис Элевэйтэр Компани (US)
Publication of RU95108872A publication Critical patent/RU95108872A/ru

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
    • G01D5/2006—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 self-induction of one or more coils
    • G01D5/2033—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 self-induction of one or more coils controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector
    • 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
    • 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
    • G01D5/142—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 using Hall-effect devices
    • G01D5/145—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 using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

Сущность изобретения: чувствительность магнитного детектора, обнаруживающего поток от источника улучшается за счет изоляции магнитного детектора от потока соседнего источника посредством магнитной ловушки.

Claims (1)

  1. Сущность изобретения: чувствительность магнитного детектора, обнаруживающего поток от источника улучшается за счет изоляции магнитного детектора от потока соседнего источника посредством магнитной ловушки.
RU95108872/28A 1994-06-08 1995-06-06 Экранированное обнаружение ближних магнитных полей RU95108872A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/255,595 US5459399A (en) 1994-06-08 1994-06-08 Trap for preventing mixing of flux between adjacent indicia and being disposed adjacent first and second sensors
US8/255,595 1994-06-08

Publications (1)

Publication Number Publication Date
RU95108872A true RU95108872A (ru) 1997-05-10

Family

ID=22969029

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95108872/28A RU95108872A (ru) 1994-06-08 1995-06-06 Экранированное обнаружение ближних магнитных полей

Country Status (3)

Country Link
US (1) US5459399A (ru)
EP (1) EP0686854A3 (ru)
RU (1) RU95108872A (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI111937B (fi) * 1993-12-28 2003-10-15 Kone Corp Menetelmä hissikorin paikan määrittämiseksi
DE19701753A1 (de) * 1997-01-20 1998-07-23 Aichinger Helmuth H-Feld Indikator
DE60142274D1 (de) * 2000-04-27 2010-07-15 Inventio Ag Signaleinrichtung zur Positionierung einer Aufzugsanlage während einer Passagierevakuation
US6693424B2 (en) * 2001-06-08 2004-02-17 Denso Corporation Magnetic rotation angle sensor
WO2003011734A1 (fr) 2001-07-31 2003-02-13 Mitsubishi Denki Kabushiki Kaisha Detecteur de position d'ascenseur
US7009386B2 (en) * 2002-01-02 2006-03-07 Stoneridge Control Devices, Inc. Non-contact position sensor utilizing multiple sensor elements
ITPN20040009U1 (it) * 2004-05-10 2004-08-10 Stem Srl Dispositivo per il posizionamento regolabile di sensori magnetici di prossimita' particolarmente per ascensori.
FR2873807B1 (fr) * 2004-07-27 2007-04-27 Electricfil Automotive Soc Par Capteur magnetique de position sans contact
WO2012065911A1 (de) * 2010-11-16 2012-05-24 Inventio Ag Vorrichtung zur erzeugung von schachtinformationen in einer aufzugsanlage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3425515A (en) * 1964-06-15 1969-02-04 Gen Electric Digital control for mine hoist system
US3505869A (en) * 1968-04-17 1970-04-14 Us Air Force Apparatus for measuring fluid level in a container
JPS5393547A (en) * 1977-01-26 1978-08-16 Hitachi Ltd Apparatus for controlling elevators
US4271763A (en) * 1978-05-15 1981-06-09 Berger Philip H Proximity detector
US4798267A (en) * 1987-01-20 1989-01-17 Delaware Capital Formation, Inc. Elevator system having an improved selector
JP2893714B2 (ja) * 1989-05-25 1999-05-24 株式会社日立製作所 薄膜型ｓｑｕｉｄ磁束計およびこれを用いた生体磁気計測装置
US5351004A (en) * 1991-10-15 1994-09-27 Eldec Corporation Saturable core proximity sensor including a flux director and a magnetic target element
US5293117A (en) * 1992-05-14 1994-03-08 Western Atlas International, Inc. Magnetic flaw detector for use with ferromagnetic small diameter tubular goods using a second magnetic field to confine a first magnetic field

Also Published As

Publication number Publication date
US5459399A (en) 1995-10-17
EP0686854A3 (en) 1997-04-23
EP0686854A2 (en) 1995-12-13

Similar Documents

Publication Publication Date Title
DZ3147A1 (fr) Méthode de surveillance sismique d'une zone souterraine par utilisation simultanée de plusieurs sources vibrosismiques.
WO1998014759A3 (en) Sensor for count and tamper detection
AU4501596A (en) Magnetic particle based electrochemiluminescent detection apparatus and method
RU95108872A (ru) Экранированное обнаружение ближних магнитных полей
DE69637235D1 (de) Tonsignaldetektor mit verbesserter Leistung in Gegenwart von Gesprächen
NO153666C (no) Magnetfeltdetektor.
IT1202748B (it) Dispositivo di rivelazione di campo magnetico
BR8605607A (pt) Dispositivo de deteccao e de localizacao de particulas neutras,e sua aplicacao
PT840649E (pt) Dispositivo de filtro magnetico
DE69222941D1 (de) Magnetfelddetektor
BR7707296A (pt) Separador magnetico de tambor,de campo forte
NO890310L (no) Fremgangsmaate for immunodiagnostisk deteksjon av polyhalogenerte, plane, polycykliske aromatiske hydrokarboner.
JPS5429528A (en) Magnetic pattern detector
DE69226726D1 (de) Nachweis von Magnetfeldveränderungen
DE69522091D1 (de) Detektion von magnetischen signalen
DE69220104D1 (de) Magnetfelddetektionsanordnung mit hoher Empfindlichkeit
IT8123383A0 (it) Sistema rilevatore di segnali ombra televisivi.
AU2510399A (en) Process for detecting borna disease virus (bdv) infections
EP0586182A3 (en) Flat and radial arrangement for current sensing with extended frequency characteristics.
AU2766088A (en) Suppressed transient uniform detection sensitivity pir detector
DE3673886D1 (de) Breitfrequenzbandiger magnetfelddetektor.
SE9401450D0 (sv) Sätt vid detektering av magnetiska element
JPS5594156A (en) Magnetic flaw detector for rope
IT7847801A0 (it) Sistema e procedimento per rilevare la prossimita' di un campo magnetico alternativo
JPS53125808A (en) Magnetic body detector