GB1129024A - Accelerometer - Google Patents

Accelerometer

Info

Publication number
GB1129024A
GB1129024A GB3688766A GB3688766A GB1129024A GB 1129024 A GB1129024 A GB 1129024A GB 3688766 A GB3688766 A GB 3688766A GB 3688766 A GB3688766 A GB 3688766A GB 1129024 A GB1129024 A GB 1129024A
Authority
GB
United Kingdom
Prior art keywords
acceleration
capacitor
wiper arm
mass
charge
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
GB3688766A
Inventor
Edgar Bernhard Romberg
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.)
North American Aviation Corp
Original Assignee
North American Aviation 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
Application filed by North American Aviation Corp filed Critical North American Aviation Corp
Publication of GB1129024A publication Critical patent/GB1129024A/en
Expired 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
    • 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
    • G01P15/0891—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 with indication of predetermined acceleration values

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Gyroscopes (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

1,129,024. Measuring acceleration. NORTH AMERICAN AVIATION Inc. 17 Aug., 1966 No. 36887/66. Heading G4H. In apparatus for digitally measuring acceleration, an inertial mass 16 displaced in accordance with an applied acceleration moves a wiper arm 17 along a resistance 21 to provide a variable input signal to an amplifier 33, the output signal from which is fed to a capacitor 35 to charge it in a direction depending on the polarity of the signal, threshold devices 41, 43 enabling either positive or negative pulse generators 42, 44 when the charge on the capacitor 35 reaches a predetermined level to feed an output pulse to terminal 50, this pulse also discharging the capacitor 35. Whilst the capacitor is charging in response to the input signal, a D.C. current is applied to the coil 14 of an electromagnet 13, the induced electromagnetic force moving a bar 11 on which the mass 16 and wiper arm 17 are carried to move the wiper arm towards its equilibrium position. Output pulses, the frequency and number of which represent the magnitude of the acceleration and velocity respectively of the mass 16 and the amplitude of which represents the direction of acceleration, are applied to terminal 50 until the wiper arm is returned to its central position.
GB3688766A 1966-09-21 1966-08-17 Accelerometer Expired GB1129024A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN0029208 1966-09-21

Publications (1)

Publication Number Publication Date
GB1129024A true GB1129024A (en) 1968-10-02

Family

ID=7344994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3688766A Expired GB1129024A (en) 1966-09-21 1966-08-17 Accelerometer

Country Status (1)

Country Link
GB (1) GB1129024A (en)

Also Published As

Publication number Publication date
DE1523222B2 (en) 1972-08-03
DE1523222A1 (en) 1970-09-03

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