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US5353226A
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Coriolis indicator for situational awareness
Assignee: United States Department of the Air Force
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Filing: 1992-08-25
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Granted: 1994-10-04
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Expires: 2012-08-25
Abstract
Abstract A system for indicating the presence of Coriolis accelerations within an aircraft which might affect pilot perception of aircraft attitude and spatial orientation, which comprises sensors for measuring vehicle angular position, rotations and velocities operatively connected to an onboard computer program which calculates the Coriolis accelerations according to an analysis presented herein and presented on a display to the pilot.
Inventors
- 👤 Daniel W. Repperger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:39
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/18; B; B64; B64D; B64D43/00; B64D45/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
106 words
A system for indicating the presence of Coriolis accelerations in a moving vehicle, comprising: (a) a plurality of sensors for measuring angular displacement and angular velocity of a vehicle in a first coordinate system defining said vehicle relative to a second coordinate system relative to which said vehicle moves, said plurality of sensors including means for providing signals defining the measured angular displacements and angular velocities; (b) means for analyzing said signals and for determining from said measured angular displacements and angular velocities of said vehicle any Coriolis acceleration acting within said vehicle; and (c) means for displaying any said Coriolis acceleration acting within said vehicle.
Claim 2
Independent Claim
106 words
A system for indicating the presence of Coriolis accelerations in a moving vehicle, comprising: (a) a plurality of sensors for measuring angular displacement and angular velocity of a vehicle in a first coordinate system defining said vehicle relative to a second coordinate system relative to which said vehicle moves, said plurality of sensors including means for providing signals defining the measured angular displacements and angular velocities; (b) means for analyzing said signals and for determining from said measured angular displacements and angular velocities of said vehicle any Coriolis acceleration acting within said vehicle; and (c) means for displaying any said Coriolis acceleration acting within said vehicle.
Claim 3
Dependent Claim
49 words
The system of claim 1 wherein said plurality of sensors consist of magnetic position sensors, resolvers, potentiometers or optical encoders for measuring angular displacement relative to said second coordinate system, and consist of digital velocity indicators or tachometers for measurement of angular velocity relative to said second coordinate system.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-10-03 | 1998-04-04 | 1998-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-10-03 | 2002-04-04 | 2002-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-10-03 | 2006-04-04 | 2006-10-04 | $7700.00 | Window Closed / Lapsed |