[go: up one dir, main page]

GB2243451B - Accelerometer and control systems therefor - Google Patents

Accelerometer and control systems therefor

Info

Publication number
GB2243451B
GB2243451B GB9106345A GB9106345A GB2243451B GB 2243451 B GB2243451 B GB 2243451B GB 9106345 A GB9106345 A GB 9106345A GB 9106345 A GB9106345 A GB 9106345A GB 2243451 B GB2243451 B GB 2243451B
Authority
GB
United Kingdom
Prior art keywords
accelerometer
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.)
Expired - Fee Related
Application number
GB9106345A
Other versions
GB2243451A (en
GB9106345D0 (en
Inventor
Michael Andrew Kellett
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
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 GB9106345D0 (en) 1991-05-08
GB2243451A GB2243451A (en) 1991-10-30
GB2243451B true 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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469764A (en) * 1973-06-30 1977-04-06 Ferranti Ltd Accelerometers
GB2052047A (en) * 1979-03-20 1981-01-21 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
GB2127637A (en) * 1982-08-26 1984-04-11 British Aerospace Improvements in or relating to pulse rebalanced servomechanisms
GB2163847A (en) * 1984-08-31 1986-03-05 Northrop Corp Compensation of gain temperature coefficient in an optical pick-off for an accelerometer
GB2169717A (en) * 1984-06-20 1986-07-16 Sundstrand Data Control Digital output instruments
WO1989012830A2 (en) * 1988-06-20 1989-12-28 Triton Technologies, Inc. Micro-machined accelerometer

Family Cites Families (8)

* 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
DD209288A1 (en) * 1982-07-01 1984-04-25 Thomas Marold ARRANGEMENT FOR DETERMINING THE ANGLE SPEED AND ACCELERATION
US4649748A (en) * 1984-03-30 1987-03-17 Kabushikikaisha Tokyo Keiki 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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1469764A (en) * 1973-06-30 1977-04-06 Ferranti Ltd Accelerometers
GB2052047A (en) * 1979-03-20 1981-01-21 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
GB2127637A (en) * 1982-08-26 1984-04-11 British Aerospace Improvements in or relating to pulse rebalanced servomechanisms
GB2169717A (en) * 1984-06-20 1986-07-16 Sundstrand Data Control Digital output instruments
GB2163847A (en) * 1984-08-31 1986-03-05 Northrop Corp Compensation of gain temperature coefficient in an optical pick-off for an accelerometer
WO1989012830A2 (en) * 1988-06-20 1989-12-28 Triton Technologies, Inc. Micro-machined accelerometer

Also Published As

Publication number Publication date
AU7577591A (en) 1991-10-30
GB2243451A (en) 1991-10-30
GB9007483D0 (en) 1990-05-30
GB9106345D0 (en) 1991-05-08
WO1991015774A1 (en) 1991-10-17
EP0523101A1 (en) 1993-01-20

Similar Documents

Publication Publication Date Title
GB9122412D0 (en) Well control system
EP0467335A3 (en) Attitude control device and drilling-direction control device
EP0474234A3 (en) Scroll control system
GB9007871D0 (en) Speed control system
GB8913301D0 (en) Control systems
EP0484694A3 (en) Suspension control system
GB8813644D0 (en) Ventilation systems
GB9223182D0 (en) Control system
GB2246227B (en) Environmental control system
GB2249764B (en) Suspension control system
GB2256065B (en) Control system
GB2243451B (en) Accelerometer and control systems therefor
GB2270868B (en) Control system
GB9023511D0 (en) Level control systems
GB2240819B (en) De-sludging systems
GB2271030B (en) Auto - volume control system
GB9023764D0 (en) Control systems and braking systems incorporating them
GB9027805D0 (en) Control systems
GB9015805D0 (en) Control systems
GB9000250D0 (en) Control systems
GB9008142D0 (en) Control systems
GB9124536D0 (en) Control system
ZA913645B (en) Control system
GB9022332D0 (en) Control system
PL284638A1 (en) Control system

Legal Events

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

Effective date: 19950325