BR9000849A - Acelerometro em estado solido - Google Patents
Acelerometro em estado solidoInfo
- Publication number
- BR9000849A BR9000849A BR909000849A BR9000849A BR9000849A BR 9000849 A BR9000849 A BR 9000849A BR 909000849 A BR909000849 A BR 909000849A BR 9000849 A BR9000849 A BR 9000849A BR 9000849 A BR9000849 A BR 9000849A
- Authority
- BR
- Brazil
- Prior art keywords
- solid state
- state accelerometer
- accelerometer
- solid
- state
- 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
- G01P15/125—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
-
- 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
- G01P15/0802—Details
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/317,239 US4928203A (en) | 1989-02-28 | 1989-02-28 | Capacitive accelerometer with hinges on top and bottom surface |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9000849A true BR9000849A (pt) | 1991-02-05 |
Family
ID=23232753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR909000849A BR9000849A (pt) | 1989-02-28 | 1990-02-22 | Acelerometro em estado solido |
Country Status (6)
Country | Link |
---|---|
US (1) | US4928203A (pt) |
EP (1) | EP0386465A3 (pt) |
JP (1) | JPH02271261A (pt) |
BR (1) | BR9000849A (pt) |
CA (1) | CA2009490A1 (pt) |
IL (1) | IL93550A (pt) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5006487A (en) * | 1989-07-27 | 1991-04-09 | Honeywell Inc. | Method of making an electrostatic silicon accelerometer |
US5115291A (en) * | 1989-07-27 | 1992-05-19 | Honeywell Inc. | Electrostatic silicon accelerometer |
US5023749A (en) * | 1990-08-16 | 1991-06-11 | The United States Of America As Represented By The Secretary Of The Army | Capacitive angle sensor improvement |
US5314572A (en) * | 1990-08-17 | 1994-05-24 | Analog Devices, Inc. | Method for fabricating microstructures |
US5620931A (en) * | 1990-08-17 | 1997-04-15 | Analog Devices, Inc. | Methods for fabricating monolithic device containing circuitry and suspended microstructure |
US5326726A (en) * | 1990-08-17 | 1994-07-05 | Analog Devices, Inc. | Method for fabricating monolithic chip containing integrated circuitry and suspended microstructure |
US5417111A (en) | 1990-08-17 | 1995-05-23 | Analog Devices, Inc. | Monolithic chip containing integrated circuitry and suspended microstructure |
EP0543901B1 (en) * | 1990-08-17 | 1995-10-04 | Analog Devices, Inc. | Monolithic accelerometer |
US5069071A (en) * | 1990-08-27 | 1991-12-03 | United Technologies Corporation | Vibration monitoring in the frequency domain with a capacitive accelerometer |
US5243278A (en) * | 1991-02-08 | 1993-09-07 | Sundstrand Corporation | Differential angular velocity sensor that is sensitive in only one degree of freedom |
US5331853A (en) * | 1991-02-08 | 1994-07-26 | Alliedsignal Inc. | Micromachined rate and acceleration sensor |
US5396797A (en) * | 1991-02-08 | 1995-03-14 | Alliedsignal Inc. | Triaxial angular rate and acceleration sensor |
US5241861A (en) * | 1991-02-08 | 1993-09-07 | Sundstrand Corporation | Micromachined rate and acceleration sensor |
US5168756A (en) * | 1991-02-08 | 1992-12-08 | Sundstrand Corporation | Dithering coriolis rate and acceleration sensor utilizing a permanent magnet |
US5121180A (en) * | 1991-06-21 | 1992-06-09 | Texas Instruments Incorporated | Accelerometer with central mass in support |
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 |
US5275048A (en) * | 1992-01-21 | 1994-01-04 | Sundstrand Corporation | Acceleration overload protection mechanism for sensor devices |
US5331658A (en) * | 1992-08-26 | 1994-07-19 | Motorola, Inc. | Vertical cavity surface emitting laser and sensor |
US5377545A (en) * | 1992-12-08 | 1995-01-03 | Alliedsignal Inc. | Servo accelerometer with tunnel current sensor and complementary electrostatic drive |
US5407868A (en) * | 1992-12-08 | 1995-04-18 | Alliedsignal Inc. | Method of making an electrode tip for a tunnel current sensing device |
US5503018A (en) * | 1992-12-08 | 1996-04-02 | Alliedsignal Inc. | Tunnel current sensor with force relief protection |
US5361635A (en) * | 1993-04-12 | 1994-11-08 | Alliedsignal Inc. | Multiple servo loop accelerometer with tunnel current sensors |
US5396798A (en) * | 1993-04-15 | 1995-03-14 | Honeywell Inc. | Mechanical resonance, silicon accelerometer |
US5780742A (en) * | 1993-04-15 | 1998-07-14 | Honeywell Inc. | Mechanical resonance, silicon accelerometer |
US5456111A (en) * | 1994-01-24 | 1995-10-10 | Alliedsignal Inc. | Capacitive drive vibrating beam accelerometer |
US5646348A (en) * | 1994-08-29 | 1997-07-08 | The Charles Stark Draper Laboratory, Inc. | Micromechanical sensor with a guard band electrode and fabrication technique therefor |
US5581035A (en) * | 1994-08-29 | 1996-12-03 | The Charles Stark Draper Laboratory, Inc. | Micromechanical sensor with a guard band electrode |
US5604313A (en) * | 1994-11-23 | 1997-02-18 | Tokyo Gas Co., Ltd. | Varying apparent mass accelerometer |
US5535626A (en) * | 1994-12-21 | 1996-07-16 | Breed Technologies, Inc. | Sensor having direct-mounted sensing element |
US5905201A (en) * | 1997-10-28 | 1999-05-18 | Alliedsignal Inc. | Micromachined rate and acceleration sensor and method |
WO2000031550A1 (en) * | 1998-11-25 | 2000-06-02 | University Of Maryland | Proof mass support for accelerometers |
US6230566B1 (en) | 1999-10-01 | 2001-05-15 | The Regents Of The University Of California | Micromachined low frequency rocking accelerometer with capacitive pickoff |
US7372616B2 (en) * | 2001-12-06 | 2008-05-13 | Microfabrica, Inc. | Complex microdevices and apparatus and methods for fabricating such devices |
US7185542B2 (en) * | 2001-12-06 | 2007-03-06 | Microfabrica Inc. | Complex microdevices and apparatus and methods for fabricating such devices |
WO2005069016A1 (en) * | 2004-01-07 | 2005-07-28 | Northrop Grumman Corporation | Coplanar proofmasses employable to sense acceleration along three axes |
US20070163346A1 (en) * | 2006-01-18 | 2007-07-19 | Honeywell International Inc. | Frequency shifting of rotational harmonics in mems devices |
DE102013222747A1 (de) * | 2013-11-08 | 2015-05-13 | Robert Bosch Gmbh | Mikromechanischer Z-Sensor |
US10859596B2 (en) | 2018-07-20 | 2020-12-08 | Honeywell International Inc. | Mechanically-isolated in-plane pendulous vibrating beam accelerometer |
KR102505956B1 (ko) * | 2021-10-14 | 2023-03-03 | 국방과학연구소 | 가속도 센서 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4679434A (en) * | 1985-07-25 | 1987-07-14 | Litton Systems, Inc. | Integrated force balanced accelerometer |
DE3625411A1 (de) * | 1986-07-26 | 1988-02-04 | Messerschmitt Boelkow Blohm | Kapazitiver beschleunigungssensor |
-
1989
- 1989-02-28 US US07/317,239 patent/US4928203A/en not_active Expired - Lifetime
-
1990
- 1990-02-02 EP EP19900102093 patent/EP0386465A3/en not_active Withdrawn
- 1990-02-07 CA CA002009490A patent/CA2009490A1/en not_active Abandoned
- 1990-02-22 BR BR909000849A patent/BR9000849A/pt not_active Application Discontinuation
- 1990-02-27 IL IL93550A patent/IL93550A/xx not_active IP Right Cessation
- 1990-02-28 JP JP9049163A patent/JPH02271261A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0386465A2 (en) | 1990-09-12 |
CA2009490A1 (en) | 1990-08-31 |
IL93550A0 (en) | 1990-11-29 |
IL93550A (en) | 1992-12-01 |
EP0386465A3 (en) | 1992-04-29 |
US4928203A (en) | 1990-05-22 |
JPH02271261A (ja) | 1990-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
HO | Change of classification |
Free format text: INT.CL. G01P 15/125 |
|
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |