GB2169717A - Digital output instruments - Google Patents

Digital output instruments

Info

Publication number
GB2169717A
GB2169717A GB08603995A GB8603995A GB2169717A GB 2169717 A GB2169717 A GB 2169717A GB 08603995 A GB08603995 A GB 08603995A GB 8603995 A GB8603995 A GB 8603995A GB 2169717 A GB2169717 A GB 2169717A
Authority
GB
United Kingdom
Prior art keywords
digital output
output instruments
instruments
accumulator
accelerometer
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.)
Withdrawn
Application number
GB08603995A
Other versions
GB8603995D0 (en
Inventor
Kurt E Steinke
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
Priority claimed from PCT/US1985/001142 external-priority patent/WO1986000554A1/en
Publication of GB8603995D0 publication Critical patent/GB8603995D0/en
Publication of GB2169717A publication Critical patent/GB2169717A/en
Withdrawn legal-status Critical Current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
    • 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)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Feedback Control In General (AREA)

Abstract

A servoed accelerometer (10) is connected with an accumulator (21) to provide a binary digital output. The accumulator output is connected with a digital-to-analog converter (25) which provided an analog rebalance signal to the accelerometer.
GB08603995A 1984-06-20 1985-06-17 Digital output instruments Withdrawn GB2169717A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62241384A 1984-06-20 1984-06-20
PCT/US1985/001142 WO1986000554A1 (en) 1984-07-03 1985-06-19 Knurling tool

Publications (2)

Publication Number Publication Date
GB8603995D0 GB8603995D0 (en) 1986-03-26
GB2169717A true GB2169717A (en) 1986-07-16

Family

ID=24494081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08603995A Withdrawn GB2169717A (en) 1984-06-20 1985-06-17 Digital output instruments

Country Status (10)

Country Link
EP (1) EP0190165A1 (en)
JP (1) JPS61502489A (en)
KR (1) KR860700292A (en)
AU (1) AU4491885A (en)
DE (1) DE3590290T1 (en)
GB (1) GB2169717A (en)
IL (1) IL75470A0 (en)
IT (1) IT1184278B (en)
NO (1) NO860609L (en)
WO (1) WO1986000416A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243451A (en) * 1990-04-03 1991-10-30 Kellett Michael A Servo accelerometer and control system therefor.
GB2421083A (en) * 2004-12-09 2006-06-14 Boeing Co Magnetic Null Accelerometer

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3803872A1 (en) * 1988-02-09 1989-08-17 Messerschmitt Boelkow Blohm DEVICE FOR INERTIAL SPEED OR ACCELERATION MEASUREMENT AND CIRCUIT FOR SIGNAL PROCESSING AND PROCESSING THEREFOR
EP0645634B1 (en) * 1993-09-29 1997-10-15 Litton Systems, Inc. Data interface for closed-loop accelerometer
US5497660A (en) * 1994-05-31 1996-03-12 Litton Systems, Inc. Digital force balanced instrument
US6426663B1 (en) * 1996-03-04 2002-07-30 Delphi Technologies, Inc. Analog/digital feedback circuitry for minimizing DC offset variations in an analog signal
EP1083431A1 (en) 1999-09-10 2001-03-14 STMicroelectronics S.r.l. Method for compensating the position offset of a capacitive inertial sensor, andcapacitive inertial sensor
RU2754203C1 (en) * 2021-02-25 2021-08-30 Федеральное государственное бюджетное образовательное учреждение высшего образования "Тульский государственный университет" (ТулГУ) Acceleration measuring device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081637A (en) * 1960-02-17 1963-03-19 Gen Precision Inc Accelerometer and digital transmission means
US3192371A (en) * 1961-09-14 1965-06-29 United Aircraft Corp Feedback integrating system
US3508254A (en) * 1967-04-26 1970-04-21 Us Army Accelerometer system
US3545284A (en) * 1967-01-13 1970-12-08 Gen Motors Corp Acceleration measuring system
US3618401A (en) * 1969-08-25 1971-11-09 Litton Systems Inc Accelerometer
US4282470A (en) * 1979-04-30 1981-08-04 Northrop Corporation Close loop control apparatus and method for a force rebalance transducer
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081637A (en) * 1960-02-17 1963-03-19 Gen Precision Inc Accelerometer and digital transmission means
US3192371A (en) * 1961-09-14 1965-06-29 United Aircraft Corp Feedback integrating system
US3545284A (en) * 1967-01-13 1970-12-08 Gen Motors Corp Acceleration measuring system
US3508254A (en) * 1967-04-26 1970-04-21 Us Army Accelerometer system
US3618401A (en) * 1969-08-25 1971-11-09 Litton Systems Inc Accelerometer
US4282470A (en) * 1979-04-30 1981-08-04 Northrop Corporation Close loop control apparatus and method for a force rebalance transducer
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2243451A (en) * 1990-04-03 1991-10-30 Kellett Michael A Servo accelerometer and control system therefor.
GB2243451B (en) * 1990-04-03 1994-11-16 Kellett Michael A Accelerometer and control systems therefor
GB2421083A (en) * 2004-12-09 2006-06-14 Boeing Co Magnetic Null Accelerometer
GB2421083B (en) * 2004-12-09 2008-07-16 Boeing Co Magnetic null accelerometer

Also Published As

Publication number Publication date
NO860609L (en) 1986-02-18
GB8603995D0 (en) 1986-03-26
AU4491885A (en) 1986-01-24
WO1986000416A1 (en) 1986-01-16
IL75470A0 (en) 1985-10-31
IT1184278B (en) 1987-10-22
KR860700292A (en) 1986-08-01
DE3590290T1 (en) 1986-06-26
JPS61502489A (en) 1986-10-30
IT8548235A0 (en) 1985-06-18
EP0190165A1 (en) 1986-08-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)