US3588007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixed gain passive adaptive aircraft control system
Assignee: Bendix Corp
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Filing: 1968-12-30
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Granted: 1971-06-28
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Expires: 1988-12-30
Abstract
Abstract AN AIRCRAFT CONTROL SYSTEM INCLUDING A CONSTANT HIGH-GAIN FEEDBACK LOOP FOR FORCING AIRCRAFT RESPONSE TO FOLLOW A DESIRED RESPONSE AND THEREBY INSURING ADEQUATE HANDLING STABILITY OVER A WIDE RANGE OF FLIGHT CONDITIONS. ACCELERATION SENSORS ARE LOCATED FORWARD OF THE CENTER OF GRAVITY OF THE CRAFT FOR SENSING ANGULAR AS WELL AS LINEAR ACCELERATION TO PERMIT A HIGHER GAIN THEN WOULD OTHERWISE BE THE CASE AND A FILTER PROVIDES A HIGHER GAIN IN THE FREQUENCY RANGE OF THE DESIRED AIRCRAFT RESPONSE TO IMPROVE SYSTEM PERFORMANCE WITHOUT APPRECIABLY COMPROMISING STABILITY IN OTHER FREQUENCY RANGES.
Inventors
- 👤 Erwin A Naumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:44
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/08; G05D1/0808; G05D1/0816
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 |