IL123057A - accelerometer - Google Patents

accelerometer

Info

Publication number
IL123057A
IL123057A IL12305796A IL12305796A IL123057A IL 123057 A IL123057 A IL 123057A IL 12305796 A IL12305796 A IL 12305796A IL 12305796 A IL12305796 A IL 12305796A IL 123057 A IL123057 A IL 123057A
Authority
IL
Israel
Prior art keywords
reed
accelerometer
grooves
proof mass
stator
Prior art date
Application number
IL12305796A
Other languages
English (en)
Hebrew (he)
Other versions
IL123057A0 (en
Original Assignee
Allied Signal 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 Allied Signal Inc filed Critical Allied Signal Inc
Publication of IL123057A0 publication Critical patent/IL123057A0/xx
Publication of IL123057A publication Critical patent/IL123057A/en

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
    • G01P1/00—Details of instruments
    • G01P1/003—Details of instruments used for damping
    • 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
    • G01P15/125—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 capacitive pick-up

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Pressure Sensors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
IL12305796A 1995-08-15 1996-08-15 accelerometer IL123057A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51544295A 1995-08-15 1995-08-15
PCT/US1996/013218 WO1997007405A1 (en) 1995-08-15 1996-08-15 Star-patterned accelerometer reed

Publications (2)

Publication Number Publication Date
IL123057A0 IL123057A0 (en) 1998-09-24
IL123057A true IL123057A (en) 2001-06-14

Family

ID=24051360

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12305796A IL123057A (en) 1995-08-15 1996-08-15 accelerometer

Country Status (6)

Country Link
US (1) US5959207A (ja)
EP (1) EP0845105B1 (ja)
JP (1) JP3946255B2 (ja)
DE (1) DE69625208T2 (ja)
IL (1) IL123057A (ja)
WO (1) WO1997007405A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040112135A1 (en) * 1995-08-15 2004-06-17 Letrondo Norberto P. Star patterned accelerometer reed
US6904805B2 (en) * 2003-06-03 2005-06-14 Cherry Corporation Accelerometer
CN100338468C (zh) * 2005-06-07 2007-09-19 中国航天时代电子公司 抗冲击石英挠性加速度计
US20090205424A1 (en) 2008-02-15 2009-08-20 Honeywell International Inc. Flexure type accelerometer and method of making same
US8065915B2 (en) 2008-10-08 2011-11-29 Honeywell International Inc. MEMS accelerometer
US8215169B2 (en) 2009-03-26 2012-07-10 Honeywell International Inc. Using pole pieces to guide magnetic flux through a MEMS device and method of making
CN102528291B (zh) * 2011-12-30 2014-08-20 航天科工惯性技术有限公司 一种降低摆片激光切割损伤的方法
US9879997B1 (en) * 2013-11-19 2018-01-30 Hrl Laboratories, Llc Quartz resonator with plasma etched tethers for stress isolation from the mounting contacts
US9977097B1 (en) 2014-02-21 2018-05-22 Hrl Laboratories, Llc Micro-scale piezoelectric resonating magnetometer
US10031191B1 (en) 2015-01-16 2018-07-24 Hrl Laboratories, Llc Piezoelectric magnetometer capable of sensing a magnetic field in multiple vectors
US10036765B2 (en) * 2015-07-10 2018-07-31 Honeywell International Inc. Reducing hysteresis effects in an accelerometer
US10180445B2 (en) * 2016-06-08 2019-01-15 Honeywell International Inc. Reducing bias in an accelerometer via current adjustment

Family Cites Families (9)

* 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
US4414848A (en) * 1981-08-13 1983-11-15 Rockwell International Corporation Three-axis accelerometer
US4825335A (en) * 1988-03-14 1989-04-25 Endevco Corporation Differential capacitive transducer and method of making
US4930042A (en) * 1989-02-28 1990-05-29 United Technologies Capacitive accelerometer with separable damping and sensitivity
US5228341A (en) * 1989-10-18 1993-07-20 Hitachi, Ltd. Capacitive acceleration detector having reduced mass portion
EP0459723B1 (en) * 1990-05-30 1996-01-17 Hitachi, Ltd. Semiconductor acceleration sensor and vehicle control system using the same
US5085079A (en) * 1990-06-11 1992-02-04 Sundstrand Data Control, Inc. Accelerometer with mounting/coupling structure for an electronics assembly
JP2728807B2 (ja) * 1991-07-24 1998-03-18 株式会社日立製作所 静電容量式加速度センサ
US5396798A (en) * 1993-04-15 1995-03-14 Honeywell Inc. Mechanical resonance, silicon accelerometer

Also Published As

Publication number Publication date
DE69625208D1 (de) 2003-01-16
IL123057A0 (en) 1998-09-24
EP0845105A1 (en) 1998-06-03
US5959207A (en) 1999-09-28
EP0845105B1 (en) 2002-12-04
JP3946255B2 (ja) 2007-07-18
DE69625208T2 (de) 2003-08-28
JPH11511256A (ja) 1999-09-28
WO1997007405A1 (en) 1997-02-27

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Legal Events

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