GB1416940A - Magnetic field-sensing apparatus - Google Patents

Magnetic field-sensing apparatus

Info

Publication number
GB1416940A
GB1416940A GB3966673A GB3966673A GB1416940A GB 1416940 A GB1416940 A GB 1416940A GB 3966673 A GB3966673 A GB 3966673A GB 3966673 A GB3966673 A GB 3966673A GB 1416940 A GB1416940 A GB 1416940A
Authority
GB
United Kingdom
Prior art keywords
magnet
magneto
devices
magnetic flux
resistive members
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
GB3966673A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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
Priority claimed from DE19722241074 external-priority patent/DE2241074C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1416940A publication Critical patent/GB1416940A/en
Expired 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
    • G01D5/12—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
GB3966673A 1972-08-21 1973-08-21 Magnetic field-sensing apparatus Expired GB1416940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722241074 DE2241074C3 (de) 1972-08-21 Magnetfeldabhängige Widerstandsanordnung zur Erfassung der Größe und Richtung eines äußeren magnetischen Steuerfeldes

Publications (1)

Publication Number Publication Date
GB1416940A true GB1416940A (en) 1975-12-10

Family

ID=5854128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3966673A Expired GB1416940A (en) 1972-08-21 1973-08-21 Magnetic field-sensing apparatus

Country Status (3)

Country Link
FR (1) FR2197213B2 (https=)
GB (1) GB1416940A (https=)
IT (1) IT1046703B (https=)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4217779A (en) 1978-03-13 1980-08-19 Denki Onkyo Co., Ltd. Liquid level sensing means
US4227171A (en) 1977-12-23 1980-10-07 Denki Onkyo Co., Ltd. Liquid level sensing means
US4290044A (en) 1978-06-23 1981-09-15 Hiroshi Ishikawa Vehicle level detector
GB2286049A (en) * 1993-12-08 1995-08-02 Festo Kg A sensor device responsive to the position of a piston
GB2314418A (en) * 1996-06-19 1997-12-24 Flying Null Ltd Sensing the presence of a magnetic tag
US5793200A (en) * 1992-10-29 1998-08-11 Rolls-Royce And Associates Limited Position responsive magnetic sensing elements for sensing the position of a member at a remote site
EP1300649A4 (en) * 2000-08-04 2003-09-17 Matsushita Electric Industrial Co Ltd Position sensor for electromagnetic actuator
EP3273203A1 (en) * 2016-07-20 2018-01-24 Melexis Technologies SA Displacement detection device
EP3273202A1 (en) * 2016-07-20 2018-01-24 Melexis Technologies SA Displacement detection device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989010540A1 (en) * 1988-04-20 1989-11-02 Honeywell Inc. Shaping output of magnetic sensor with magnets
FR2953286B1 (fr) * 2009-11-27 2012-06-22 Electricfil Automotive Procede et capteur magnetique de mesure pour la detection sans contact de mouvements

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227171A (en) 1977-12-23 1980-10-07 Denki Onkyo Co., Ltd. Liquid level sensing means
US4217779A (en) 1978-03-13 1980-08-19 Denki Onkyo Co., Ltd. Liquid level sensing means
US4290044A (en) 1978-06-23 1981-09-15 Hiroshi Ishikawa Vehicle level detector
US5793200A (en) * 1992-10-29 1998-08-11 Rolls-Royce And Associates Limited Position responsive magnetic sensing elements for sensing the position of a member at a remote site
GB2286049A (en) * 1993-12-08 1995-08-02 Festo Kg A sensor device responsive to the position of a piston
GB2286049B (en) * 1993-12-08 1997-10-08 Festo Kg A sensor device responsive to the position of a piston
GB2314418A (en) * 1996-06-19 1997-12-24 Flying Null Ltd Sensing the presence of a magnetic tag
GB2314418B (en) * 1996-06-19 1999-07-07 Flying Null Ltd Magnetic sensing and reading devices
EP1300649A4 (en) * 2000-08-04 2003-09-17 Matsushita Electric Industrial Co Ltd Position sensor for electromagnetic actuator
US6690158B2 (en) 2000-08-04 2004-02-10 Matsushita Electric Industrial Co., Ltd. Position sensor for electromagnetic actuator to detect a position of a shaft
EP3273203A1 (en) * 2016-07-20 2018-01-24 Melexis Technologies SA Displacement detection device
EP3273202A1 (en) * 2016-07-20 2018-01-24 Melexis Technologies SA Displacement detection device
US10352682B2 (en) 2016-07-20 2019-07-16 Melexis Technologies Sa Displacement detection device
US10900811B2 (en) 2016-07-20 2021-01-26 Melexis Technologies Sa Displacement detection device

Also Published As

Publication number Publication date
DE2241074B2 (https=) 1975-12-04
FR2197213B2 (https=) 1982-09-17
FR2197213A2 (https=) 1974-03-22
DE2241074A1 (de) 1974-03-14
IT1046703B (it) 1980-07-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee