GB9106345D0 - Accelerometers and control systems therefor - Google Patents

Accelerometers and control systems therefor

Info

Publication number
GB9106345D0
GB9106345D0 GB919106345A GB9106345A GB9106345D0 GB 9106345 D0 GB9106345 D0 GB 9106345D0 GB 919106345 A GB919106345 A GB 919106345A GB 9106345 A GB9106345 A GB 9106345A GB 9106345 D0 GB9106345 D0 GB 9106345D0
Authority
GB
United Kingdom
Prior art keywords
accelerometers
control systems
systems therefor
therefor
control
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.)
Granted
Application number
GB919106345A
Other versions
GB2243451B (en
GB2243451A (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.)
KELLETT MICHAEL A
Original Assignee
KELLETT MICHAEL A
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 KELLETT MICHAEL A filed Critical KELLETT MICHAEL A
Publication of GB9106345D0 publication Critical patent/GB9106345D0/en
Publication of GB2243451A publication Critical patent/GB2243451A/en
Application granted granted Critical
Publication of GB2243451B publication Critical patent/GB2243451B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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)
  • Control Of Position Or Direction (AREA)
GB9106345A 1990-04-03 1991-03-25 Accelerometer and control systems therefor Expired - Fee Related GB2243451B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909007483A GB9007483D0 (en) 1990-04-03 1990-04-03 Servo accelerometer and control systems therefor

Publications (3)

Publication Number Publication Date
GB9106345D0 true GB9106345D0 (en) 1991-05-08
GB2243451A GB2243451A (en) 1991-10-30
GB2243451B GB2243451B (en) 1994-11-16

Family

ID=10673785

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909007483A Pending GB9007483D0 (en) 1990-04-03 1990-04-03 Servo accelerometer and control systems therefor
GB9106345A Expired - Fee Related GB2243451B (en) 1990-04-03 1991-03-25 Accelerometer and control systems therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909007483A Pending GB9007483D0 (en) 1990-04-03 1990-04-03 Servo accelerometer and control systems therefor

Country Status (4)

Country Link
EP (1) EP0523101A1 (en)
AU (1) AU7577591A (en)
GB (2) GB9007483D0 (en)
WO (1) WO1991015774A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05215764A (en) * 1992-01-31 1993-08-24 Canon Inc Optical accelerometer and optical angular accelerometer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6801106A (en) * 1968-01-25 1969-07-29
GB1227903A (en) * 1970-07-31 1971-04-15 Gravimetrics
US3897690A (en) * 1973-01-15 1975-08-05 Systron Donner Corp Miniature inertial grade high shock and vibration capability accelerometer and method with axis alignment and stability features
GB1469764A (en) * 1973-06-30 1977-04-06 Ferranti Ltd Accelerometers
GB2052047B (en) * 1979-03-20 1983-04-27 Secr Defence Accelerometer
US4315434A (en) * 1980-05-21 1982-02-16 The United States Of America As Represented By The Secretary Of The Army Pulse width modulation (PWM) with jewel pivot accelerometer
DD209288A1 (en) * 1982-07-01 1984-04-25 Thomas Marold ARRANGEMENT FOR DETERMINING THE ANGLE SPEED AND ACCELERATION
GB2127637B (en) * 1982-08-26 1985-12-11 British Aerospace Improvements in or relating to pulse rebalanced servomechanisms
US4649748A (en) * 1984-03-30 1987-03-17 Kabushikikaisha Tokyo Keiki Accelerometer
IL75470A0 (en) * 1984-06-20 1985-10-31 Sundstrand Data Control Digital output instrument
US4598586A (en) * 1984-08-31 1986-07-08 Northrop Corporation Compensation of gain temperature coefficient in an optical pick-off for an accelerometer
US4922756A (en) * 1988-06-20 1990-05-08 Triton Technologies, Inc. Micro-machined accelerometer
JPS63167276A (en) * 1986-12-27 1988-07-11 Jeco Co Ltd Servo type accelerometer
JPH0672899B2 (en) * 1988-04-01 1994-09-14 株式会社日立製作所 Acceleration sensor
WO1990001169A1 (en) * 1988-07-26 1990-02-08 Szekely Levente Device for measuring and recording acceleration data

Also Published As

Publication number Publication date
WO1991015774A1 (en) 1991-10-17
GB9007483D0 (en) 1990-05-30
AU7577591A (en) 1991-10-30
GB2243451B (en) 1994-11-16
EP0523101A1 (en) 1993-01-20
GB2243451A (en) 1991-10-30

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Legal Events

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

Effective date: 19950325