IL123057A - accelerometer - Google Patents
accelerometerInfo
- 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
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)
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)
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)
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 |
-
1996
- 1996-08-15 WO PCT/US1996/013218 patent/WO1997007405A1/en active IP Right Grant
- 1996-08-15 IL IL12305796A patent/IL123057A/en not_active IP Right Cessation
- 1996-08-15 EP EP96928181A patent/EP0845105B1/en not_active Expired - Lifetime
- 1996-08-15 DE DE69625208T patent/DE69625208T2/de not_active Expired - Lifetime
- 1996-08-15 JP JP50947197A patent/JP3946255B2/ja not_active Expired - Lifetime
-
1997
- 1997-04-08 US US08/835,872 patent/US5959207A/en not_active Expired - Lifetime
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
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |