US3555692A
Expired / Lapsed
US
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Speed, latitude and acceleration compensation of a ballistic gyrocompass
Assignee: Litton Marine Systems Inc
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Filing: 1968-06-07
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Granted: 1971-01-19
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Expires: 1988-06-07
Abstract
Abstract A GYROCOMPASS OF THE TYPE HAVING MECHANICAL BALLISTIC AND DAMPING MEANS OF FIXED PARAMETERS WHEREIN ELECTRICAL COMPENSATING CONTROLS ARE APPLIED IN SUCH A MANNER THAT THE STEADY-STATE SETTLED AZIMUTHAL SPEED ERROR IS MADE TO BE IDENTICAL WITH THE BALLISTIC DEFLECTION ERROR REGARDLESS OF LATITUDE WHEREBY TO ELIMINATE OSCILLATORY RESETTLING AFTER SPEED AND/OR COURSE CHANGES, THE CONFIGURATION ALSO PROVIDING AUTOMATIC ACCELERATION COMPENSATION BY MODIFYING THE "FIXED" LATITUDE COMPENSATION.
Inventors
- 👤 Albert K Aberle
- 👤 Richard J Arthur
- 👤 Richard G Brugger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:33
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |