BR9612775A - AcelerÈmetro eletromagnético - Google Patents
AcelerÈmetro eletromagnéticoInfo
- Publication number
- BR9612775A BR9612775A BR9612775-9A BR9612775A BR9612775A BR 9612775 A BR9612775 A BR 9612775A BR 9612775 A BR9612775 A BR 9612775A BR 9612775 A BR9612775 A BR 9612775A
- Authority
- BR
- Brazil
- Prior art keywords
- electromagnetic
- polar
- attached
- peripheral frame
- moving mass
- 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
- 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
-
- 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
- G01P15/12—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 alteration of electrical resistance
- G01P15/123—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 alteration of electrical resistance by piezo-resistive elements, e.g. semiconductor strain gauges
Abstract
ACELERÈMETRO ELETROMAGNéTICO A invenção refere-se a um acelerómetro eletromagnético comportando uma parte sensível em silício com uma massa móvel ligada a uma moldura periférica por meio de braços de suspensão. A parte sensível em silício é solidária de um motor a tensão dita negativa compreendendo um circuito polar fixo ligado à moldura periférica, uma ímã, uma bobina e uma parte polar móvel inserida no circuito, a referida parte polar estando solidária à massa móvel.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9514687A FR2742231B1 (fr) | 1995-12-12 | 1995-12-12 | Accelerometre electromagnetique |
PCT/FR1996/001969 WO1997022011A1 (fr) | 1995-12-12 | 1996-12-10 | Accelerometre electromagnetique |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9612775A true BR9612775A (pt) | 2000-10-24 |
Family
ID=9485397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9612775-9A BR9612775A (pt) | 1995-12-12 | 1996-12-10 | AcelerÈmetro eletromagnético |
Country Status (12)
Country | Link |
---|---|
US (1) | US6076403A (pt) |
EP (1) | EP0866973B1 (pt) |
JP (1) | JP2000502442A (pt) |
AU (1) | AU707264B2 (pt) |
BR (1) | BR9612775A (pt) |
CA (1) | CA2239107A1 (pt) |
DE (1) | DE69621452T2 (pt) |
DK (1) | DK0866973T3 (pt) |
FR (1) | FR2742231B1 (pt) |
MX (1) | MX9804822A (pt) |
NO (1) | NO982668L (pt) |
WO (1) | WO1997022011A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2788163B1 (fr) | 1998-12-30 | 2001-03-16 | Sextant Avionique | Actionneur electromagnetique equipe de moyens d'ajustement de la position de son element polaire mobile |
US6318176B1 (en) * | 1999-03-26 | 2001-11-20 | Seagate Technology Llc | Rotational inductive accelerometer |
US6701788B2 (en) * | 2001-07-31 | 2004-03-09 | Kelsey-Hayes Company | Multiple output inertial sensing device |
EP1491901A1 (en) | 2003-06-25 | 2004-12-29 | Matsushita Electric Works, Ltd. | Semiconductor acceleration sensor and method of manufacturing the same |
JP2006242692A (ja) * | 2005-03-02 | 2006-09-14 | Oki Electric Ind Co Ltd | 加速度センサチップ |
CN112696454B (zh) * | 2020-12-28 | 2021-10-08 | 哈尔滨工程大学 | 一种具有主动负刚度的磁悬浮式准零刚度电磁隔振器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046551B2 (ja) * | 1978-08-07 | 1985-10-16 | 株式会社日立製作所 | 半導体スイツチング素子およびその製法 |
US4446741A (en) * | 1981-06-01 | 1984-05-08 | Prvni Brnenska Strojirna, Narodni Podnik | Vibration transducer |
US4473768A (en) * | 1983-09-30 | 1984-09-25 | Teledyne Industries, Inc. | Piezoelectric force-balance accelerometer system |
US4854169A (en) * | 1987-06-15 | 1989-08-08 | Japan Aviation Electronics Industry Ltd. | Accelerometer |
DE3740688A1 (de) * | 1987-12-01 | 1989-06-15 | Messerschmitt Boelkow Blohm | Mikromechanischer beschleunigungssensor mit hoher achsenselektivitaet |
US5121633A (en) * | 1987-12-18 | 1992-06-16 | Nissan Motor Co., Ltd. | Semiconductor accelerometer |
US4944184A (en) * | 1989-04-14 | 1990-07-31 | Sundstrand Data Control, Inc. | Asymmetric flexure for pendulous accelerometer |
DE4027046A1 (de) * | 1989-09-29 | 1991-04-11 | Siemens Ag | Vorrichtung zum pruefen der funktionsfaehigkeit und/oder eichen eines beschleunigungs-sensors, insbesondere eines aufprall-sensors fuer ein kraftfahrzeug, und verfahren zum betrieb der vorrichtung |
JPH05322926A (ja) * | 1992-05-26 | 1993-12-07 | Matsushita Electric Works Ltd | 自己診断用駆動部を有する半導体加速度センサー |
FR2734641B1 (fr) * | 1995-05-24 | 1997-08-14 | Sextant Avionique | Accelerometre electromagnetique |
-
1995
- 1995-12-12 FR FR9514687A patent/FR2742231B1/fr not_active Expired - Fee Related
-
1996
- 1996-12-10 CA CA002239107A patent/CA2239107A1/fr not_active Abandoned
- 1996-12-10 AU AU11016/97A patent/AU707264B2/en not_active Ceased
- 1996-12-10 BR BR9612775-9A patent/BR9612775A/pt not_active Application Discontinuation
- 1996-12-10 US US09/077,889 patent/US6076403A/en not_active Expired - Fee Related
- 1996-12-10 EP EP96941730A patent/EP0866973B1/fr not_active Expired - Lifetime
- 1996-12-10 DE DE69621452T patent/DE69621452T2/de not_active Expired - Fee Related
- 1996-12-10 JP JP9521795A patent/JP2000502442A/ja active Pending
- 1996-12-10 DK DK96941730T patent/DK0866973T3/da active
- 1996-12-10 WO PCT/FR1996/001969 patent/WO1997022011A1/fr active IP Right Grant
-
1998
- 1998-06-10 NO NO982668A patent/NO982668L/no not_active Application Discontinuation
- 1998-06-12 MX MX9804822A patent/MX9804822A/es not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2239107A1 (fr) | 1997-06-19 |
JP2000502442A (ja) | 2000-02-29 |
EP0866973A1 (fr) | 1998-09-30 |
DE69621452D1 (de) | 2002-07-04 |
AU1101697A (en) | 1997-07-03 |
AU707264B2 (en) | 1999-07-08 |
EP0866973B1 (fr) | 2002-05-29 |
FR2742231B1 (fr) | 1998-01-02 |
DK0866973T3 (da) | 2002-09-16 |
NO982668L (no) | 1998-08-11 |
US6076403A (en) | 2000-06-20 |
MX9804822A (es) | 1998-10-31 |
WO1997022011A1 (fr) | 1997-06-19 |
DE69621452T2 (de) | 2002-11-07 |
FR2742231A1 (fr) | 1997-06-13 |
NO982668D0 (no) | 1998-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |