IT7851491A0 - Accelerometro ad asservimento con magneti in metalli di terre rare - Google Patents
Accelerometro ad asservimento con magneti in metalli di terre rareInfo
- Publication number
- IT7851491A0 IT7851491A0 IT7851491A IT5149178A IT7851491A0 IT 7851491 A0 IT7851491 A0 IT 7851491A0 IT 7851491 A IT7851491 A IT 7851491A IT 5149178 A IT5149178 A IT 5149178A IT 7851491 A0 IT7851491 A0 IT 7851491A0
- Authority
- IT
- Italy
- Prior art keywords
- rare earth
- earth metal
- servo accelerometer
- metal magnets
- magnets
- Prior art date
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title 1
- 150000002910 rare earth metals Chemical class 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/021—Construction of PM
-
- 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
- G01P1/006—Details of instruments used for thermal compensation
-
- 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)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Control Of Position Or Direction (AREA)
- Micromachines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84301377A | 1977-10-17 | 1977-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7851491A0 true IT7851491A0 (it) | 1978-10-13 |
IT1106152B IT1106152B (it) | 1985-11-11 |
Family
ID=25288833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51491/78A IT1106152B (it) | 1977-10-17 | 1978-10-13 | Accelerometro ad asservimento con magneti in metalli di terre rare |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5459182A (it) |
AU (1) | AU3825078A (it) |
CA (1) | CA1096653A (it) |
DE (1) | DE2833915A1 (it) |
FR (1) | FR2406202A1 (it) |
GB (1) | GB2006439B (it) |
IT (1) | IT1106152B (it) |
SE (1) | SE7810693L (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4250757A (en) * | 1979-11-05 | 1981-02-17 | Sundstrand Data Control, Inc. | Movable element with position sensing means for transducers |
US4245263A (en) * | 1979-05-14 | 1981-01-13 | Honeywell Information Systems Inc. | Write precompensation and write encoding for FM and MFM recording |
FR2558263B1 (fr) * | 1984-01-12 | 1986-04-25 | Commissariat Energie Atomique | Accelerometre directif et son procede de fabrication par microlithographie |
JPS6117959A (ja) * | 1984-07-05 | 1986-01-25 | Japan Aviation Electronics Ind Ltd | 加速度計 |
FR2594957B1 (fr) * | 1986-02-21 | 1989-06-16 | Schilling Franz | Accelerometre a six degres de liberte a suspension electromagnetique |
US5060039A (en) * | 1988-01-13 | 1991-10-22 | The Charles Stark Draper Laboratory, Inc. | Permanent magnet force rebalance micro accelerometer |
FR2637984B1 (fr) * | 1988-10-19 | 1991-01-11 | Sagem | Accelerometre pendulaire asservi a detection electrostatique |
US4933515A (en) * | 1989-03-09 | 1990-06-12 | Automotive Systems Laboratory, Inc. | Accelerometer with dual-magnet sensing mass |
US10161956B2 (en) | 2016-04-25 | 2018-12-25 | Honeywell International Inc. | Reducing bias in an accelerometer via a pole piece |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3702073A (en) * | 1969-02-28 | 1972-11-07 | Sundstrand Data Control | Accelerometer |
-
1978
- 1978-07-21 AU AU38250/78A patent/AU3825078A/en active Pending
- 1978-07-25 CA CA308,107A patent/CA1096653A/en not_active Expired
- 1978-08-02 DE DE19782833915 patent/DE2833915A1/de not_active Withdrawn
- 1978-08-02 JP JP9371378A patent/JPS5459182A/ja active Pending
- 1978-08-18 FR FR7824185A patent/FR2406202A1/fr not_active Withdrawn
- 1978-10-13 IT IT51491/78A patent/IT1106152B/it active
- 1978-10-13 SE SE7810693A patent/SE7810693L/xx unknown
- 1978-10-17 GB GB7840883A patent/GB2006439B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2006439B (en) | 1982-01-20 |
FR2406202A1 (fr) | 1979-05-11 |
IT1106152B (it) | 1985-11-11 |
DE2833915A1 (de) | 1979-04-19 |
GB2006439A (en) | 1979-05-02 |
JPS5459182A (en) | 1979-05-12 |
AU3825078A (en) | 1980-01-24 |
CA1096653A (en) | 1981-03-03 |
SE7810693L (sv) | 1979-04-18 |
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