Patent US3588478A successfully refreshed from Google Patents.
US3588478A
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US
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Dead reckoning navigation position computers
Assignee: Individual
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Filing: 1968-09-26
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Granted: 1971-06-28
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Expires: 1988-09-26
Abstract
Abstract INERTIAL NAVIGATION SYSTEMS IN WHICH BASIC POSITION DATA IS SUPPLIED TO A POSITION DISPLAY DEVICE FROM A DEAD RECKONING COMPUTER THAT RESOLVES THE OUTPUTS OF SPEED AND HEADING DETECTING APPARATUS INTO COORDINATE POSITION SIGNALS. MECHANICAL AND ELECTRICAL INTEGRATOR SYSTEMS ARE UTILIZED AS THE BASIC DEAD RECKONING COMPUTERS. IN THE PREFERRED CONSTRUCTIONS, THE DEAD RECKONING COMPUTER IS CONTINUOUSLY UP-DATED, IN ACCORDANCE WITH THE OUTPUT FROM A RADIO NAVIGATION RECEIVER MEANS, TO CORRECT THE OPERATION OF THE COMPUTER TO A RATE COMMERSATURE WITH THE MAXIMUM OVERALL DRIFT RATE OF THE SENSING DEVICES AND THE COMPUTER.
Inventors
- 👤 Myron L Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:02
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/78; G01; G01C; G01C21/00; G01C21/20; G01S; G01S1/00; G01S1/02
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |