GB2006439B - Sorvoed accelerometer utilizing rare earth magnets - Google Patents

Sorvoed accelerometer utilizing rare earth magnets

Info

Publication number
GB2006439B
GB2006439B GB7840883A GB7840883A GB2006439B GB 2006439 B GB2006439 B GB 2006439B GB 7840883 A GB7840883 A GB 7840883A GB 7840883 A GB7840883 A GB 7840883A GB 2006439 B GB2006439 B GB 2006439B
Authority
GB
United Kingdom
Prior art keywords
sorvoed
rare earth
earth magnets
utilizing rare
accelerometer utilizing
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
GB7840883A
Other versions
GB2006439A (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.)
Sundstrand Data Control Inc
Original Assignee
Sundstrand Data Control Inc
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 Sundstrand Data Control Inc filed Critical Sundstrand Data Control Inc
Publication of GB2006439A publication Critical patent/GB2006439A/en
Application granted granted Critical
Publication of GB2006439B publication Critical patent/GB2006439B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/006—Details of instruments used for thermal compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/13—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
    • G01P15/132—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electromagnetic counterbalancing means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Control Of Position Or Direction (AREA)
  • Micromachines (AREA)
GB7840883A 1977-10-17 1978-10-17 Sorvoed accelerometer utilizing rare earth magnets Expired GB2006439B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84301377A 1977-10-17 1977-10-17

Publications (2)

Publication Number Publication Date
GB2006439A GB2006439A (en) 1979-05-02
GB2006439B true GB2006439B (en) 1982-01-20

Family

ID=25288833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7840883A Expired GB2006439B (en) 1977-10-17 1978-10-17 Sorvoed accelerometer utilizing rare earth magnets

Country Status (8)

Country Link
JP (1) JPS5459182A (en)
AU (1) AU3825078A (en)
CA (1) CA1096653A (en)
DE (1) DE2833915A1 (en)
FR (1) FR2406202A1 (en)
GB (1) GB2006439B (en)
IT (1) IT1106152B (en)
SE (1) SE7810693L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245263A (en) * 1979-05-14 1981-01-13 Honeywell Information Systems Inc. Write precompensation and write encoding for FM and MFM recording
US4250757A (en) * 1979-11-05 1981-02-17 Sundstrand Data Control, Inc. Movable element with position sensing means for transducers
FR2558263B1 (en) * 1984-01-12 1986-04-25 Commissariat Energie Atomique DIRECTIVE ACCELEROMETER AND METHOD FOR MANUFACTURING IT WITH MICROLITHOGRAPHY
JPS6117959A (en) * 1984-07-05 1986-01-25 Japan Aviation Electronics Ind Ltd Accelerometer
FR2594957B1 (en) * 1986-02-21 1989-06-16 Schilling Franz ACCELEROMETER TO SIX DEGREES OF FREEDOM WITH ELECTROMAGNETIC SUSPENSION
US5060039A (en) * 1988-01-13 1991-10-22 The Charles Stark Draper Laboratory, Inc. Permanent magnet force rebalance micro accelerometer
FR2637984B1 (en) * 1988-10-19 1991-01-11 Sagem PENDULUM ACCELEROMETER WITH ELECTROSTATIC DETECTION
US4933515A (en) * 1989-03-09 1990-06-12 Automotive Systems Laboratory, Inc. Accelerometer with dual-magnet sensing mass
US10161956B2 (en) * 2016-04-25 2018-12-25 Honeywell International Inc. Reducing bias in an accelerometer via a pole piece

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702073A (en) * 1969-02-28 1972-11-07 Sundstrand Data Control Accelerometer

Also Published As

Publication number Publication date
IT1106152B (en) 1985-11-11
CA1096653A (en) 1981-03-03
GB2006439A (en) 1979-05-02
SE7810693L (en) 1979-04-18
FR2406202A1 (en) 1979-05-11
JPS5459182A (en) 1979-05-12
DE2833915A1 (en) 1979-04-19
IT7851491A0 (en) 1978-10-13
AU3825078A (en) 1980-01-24

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Legal Events

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