NO891105D0 - Akselerometer. - Google Patents
Akselerometer.Info
- Publication number
- NO891105D0 NO891105D0 NO891105A NO891105A NO891105D0 NO 891105 D0 NO891105 D0 NO 891105D0 NO 891105 A NO891105 A NO 891105A NO 891105 A NO891105 A NO 891105A NO 891105 D0 NO891105 D0 NO 891105D0
- Authority
- NO
- Norway
- Prior art keywords
- accelerometer
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Fluid-Damping Devices (AREA)
- Electrophonic Musical Instruments (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Pressure Sensors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8806113A GB2222679B (en) | 1988-03-15 | 1988-03-15 | Accelerometers |
Publications (2)
Publication Number | Publication Date |
---|---|
NO891105D0 true NO891105D0 (no) | 1989-03-14 |
NO891105L NO891105L (no) | 1989-09-18 |
Family
ID=10633455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO89891105A NO891105L (no) | 1988-03-15 | 1989-03-14 | Akselerometer. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4991438A (no) |
DE (1) | DE3906679A1 (no) |
FR (1) | FR2628843A1 (no) |
GB (1) | GB2222679B (no) |
NL (1) | NL8900630A (no) |
NO (1) | NO891105L (no) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2250821B (en) * | 1990-11-14 | 1994-09-07 | Baroid Technology Inc | Accelerometers |
US5157296A (en) * | 1990-12-20 | 1992-10-20 | Massachusetts Institute Of Technology | Bearing for use in high resolution precision control device |
US5433102A (en) * | 1993-03-23 | 1995-07-18 | Pedziwiatr; Edward A. | Ultrasonic wave energy detection and identification |
US5756896A (en) * | 1995-09-05 | 1998-05-26 | Texas Components Corporation | Extended range accelerometer |
US6062081A (en) * | 1995-09-05 | 2000-05-16 | Texas Components Corporation | Extended range accelerometer |
DE19633269A1 (de) * | 1996-08-19 | 1998-02-26 | Teves Gmbh Alfred | Sensor zur Messung von Gier-, Nick- und/oder Wankbewegungen |
RU2168201C1 (ru) * | 1999-11-03 | 2001-05-27 | Супрун Антон Евгеньевич | Устройство для ввода информации в эвм |
US7296469B2 (en) * | 2000-02-24 | 2007-11-20 | Innalabs Technologies, Inc. | Magnetofluidic accelerometer with active suspension |
US7191652B2 (en) * | 2000-02-24 | 2007-03-20 | Innalabs Technologies, Inc. | Magnetofluidic accelerometer with partial filling of cavity with magnetic fluid |
US6374673B1 (en) | 2000-03-01 | 2002-04-23 | Texas Components Corporation | Velocity sensor |
US6628017B1 (en) * | 2002-08-06 | 2003-09-30 | Jacob Chass | Ferrofluidic, electromagnetic power supply |
US7143648B2 (en) * | 2004-09-29 | 2006-12-05 | Ferrolabs, Inc. | Magnetofluidic accelerometer with capacitive sensing of inertial body position |
US20070214889A1 (en) * | 2006-03-15 | 2007-09-20 | Innalabs Technologies, Inc. | Magnetofluidic unidirectional accelerometer |
US8122767B2 (en) * | 2008-10-08 | 2012-02-28 | Honeywell International Inc. | D'arsonval movement mems accelerometer |
BR112016007714B1 (pt) | 2013-12-19 | 2021-09-08 | Halliburton Energy Services, Inc | Packer de automontagem para uso no fundo de poço em um furo de poço, método para restringir um vedante para criar um packer de fundo de poço, uso de um fluido magnetorreológico e método para isolar zonas diferentes numa formação de fundo do poço |
BR112016008740B1 (pt) | 2013-12-19 | 2021-08-10 | Halliburton Energy Services, Inc | Ferramenta de intervenção para uso no fundo do poço em um furo de poço e método para limitar um vedante para criar um adesivo de reparo de conserto em um poço de fundo de poço |
EP3027851A1 (en) | 2013-12-30 | 2016-06-08 | Halliburton Energy Services, Inc. | Ferrofluid tool for providing modifiable structures in boreholes |
EP3047099A1 (en) | 2013-12-30 | 2016-07-27 | Halliburton Energy Services, Inc. | Ferrofluid tool for enhancing magnetic fields in a wellbore |
EP3039223A1 (en) | 2013-12-30 | 2016-07-06 | Halliburton Energy Services, Inc. | Ferrofluid tool for isolation of objects in a wellbore |
WO2015102563A1 (en) | 2013-12-30 | 2015-07-09 | Halliburtion Energy Services, Inc. | Ferrofluid tool for influencing electrically conductive paths in a wellbore |
CN105137112B (zh) * | 2015-06-25 | 2018-02-16 | 北京交通大学 | 一种单轴磁性液体惯性传感器 |
CN104931726B (zh) * | 2015-06-25 | 2018-01-02 | 北京交通大学 | 一种活塞型一阶浮力磁性液体惯性传感器 |
CN105137113B (zh) * | 2015-06-25 | 2018-02-16 | 北京交通大学 | 一种双轴磁性液体惯性传感器 |
WO2017003443A1 (en) | 2015-06-30 | 2017-01-05 | Halliburton Energy Services, Inc. | Outflow control device for creating a packer |
US10620335B2 (en) | 2017-05-02 | 2020-04-14 | Ascension Technology Corporation | Rotating frequencies of transmitters |
US11529193B2 (en) | 2017-08-10 | 2022-12-20 | Northern Digital Inc. | Tracking a sensor that includes a ferrofluid |
US10779892B2 (en) | 2017-08-10 | 2020-09-22 | Northern Digital Inc. | Tracking a cylindrical opening |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2591921A (en) * | 1949-05-28 | 1952-04-08 | Curtiss Wright Corp | Electromagnetic balance accelerometer |
US2797912A (en) * | 1953-10-21 | 1957-07-02 | Sperry Rand Corp | Acceleration-responsive device |
US3863508A (en) * | 1959-01-02 | 1975-02-04 | Rockwell International Corp | Accelerometer |
US4043204A (en) * | 1976-08-16 | 1977-08-23 | The United States Of America As Represented By The Secretary Of The Army | Magnetic fluid bearing accelerometer |
IL60597A0 (en) * | 1979-07-30 | 1980-09-16 | Litton Systems Inc | Ferro-fluid bearing |
US4692614A (en) * | 1985-04-27 | 1987-09-08 | The Marconi Company Limited | Rotational motion fluid loop sensor using magnetically levitated detecting element |
US4706498A (en) * | 1985-09-23 | 1987-11-17 | Ferrotec, Inc. | Apparatus and method for measuring movement |
-
1988
- 1988-03-15 GB GB8806113A patent/GB2222679B/en not_active Expired - Fee Related
-
1989
- 1989-03-02 DE DE3906679A patent/DE3906679A1/de not_active Withdrawn
- 1989-03-03 US US07/318,237 patent/US4991438A/en not_active Expired - Fee Related
- 1989-03-14 FR FR8903293A patent/FR2628843A1/fr active Pending
- 1989-03-14 NO NO89891105A patent/NO891105L/no unknown
- 1989-03-15 NL NL8900630A patent/NL8900630A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE3906679A1 (de) | 1989-10-05 |
NL8900630A (nl) | 1989-10-02 |
US4991438A (en) | 1991-02-12 |
NO891105L (no) | 1989-09-18 |
GB8806113D0 (en) | 1988-04-13 |
GB2222679B (en) | 1991-10-16 |
FR2628843A1 (fr) | 1989-09-22 |
GB2222679A (en) | 1990-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68907981T2 (de) | Beschleunigungsmesser. | |
DE3867748D1 (de) | Beschleunigungsmesser. | |
DE3852213D1 (de) | Beschleunigungsmessaufnehmer. | |
FI890421A0 (fi) | Kinatsolinderivat. | |
DE58905119D1 (de) | Heteroaryloxyessigsaeure-n-isopropylanilide. | |
DE69012429D1 (de) | Beschleunigungsmessaufnehmer. | |
NO891105D0 (no) | Akselerometer. | |
DE68910641D1 (de) | Selbsteichender Beschleunigungsmesser. | |
DE3876988T2 (de) | Loetgeraet. | |
DE3781472D1 (de) | Beschleunigungsmesser. | |
DE58904437D1 (de) | Rakelfarbwerk. | |
FI904561A0 (fi) | Modifierade hydrofila polyestrar. | |
DE68907121T2 (de) | Beschleunigungsaufnehmer. | |
NO880739D0 (no) | Akselerometer. | |
DK326089D0 (da) | Accelerometer | |
DE68903708D1 (de) | Spielkasten. | |
DE68905913D1 (de) | Beschleunigungsmessaufnehmer. | |
DE58902774D1 (de) | Pflanztafel. | |
DE58902346D1 (de) | Traenkeventil. | |
NO891106D0 (no) | Akselerometer. | |
FR2637689B1 (fr) | Accelerometre | |
DE58903112D1 (de) | Kannenstock. | |
DE68904148D1 (de) | Beschleunigungsmessaufnehmer. | |
DE3668070D1 (de) | Beschleunigungsmesser. | |
DE58902190D1 (de) | Schaelmaschine. |