Patent US4865587A successfully refreshed from Google Patents.
Patent US3199013A successfully refreshed from Google Patents.
US3199013A
Expired / Lapsed
US
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Rate responsive compensation change circuit
Assignee: RTX Corp
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Filing: 1963-05-31
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Granted: 1965-08-03
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Charles B Brahm
- 👤 John E Games
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:28
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/82; G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0061; G05D1/08; G05D1/0808; G05D1/0858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A STABILITY AUGMENTATION SYSTEM FOR A CRAFT COMPRISING MEANS FOR PRODUCING AN ERROR SIGNAL PROPORTIONAL TO THE RATE OF CRAFT MOTION ABOUT AN AXIS, CIRCUIT MEANS COMPENSATING SAID ERROR SIGNAL TO PRODUCE A CORRECTION SIGNAL, A CONTROL SURFACE ON SAID CRAFT, SERVO MEANS INCLUDING AN ACTUATOR RESPONSIVE TO SAID CORRECTION SIGNAL AND TO SAID ERROR SIGNAL FOR ACUTATING SAID CONTROL SURFACE TO THEREBY COUNTERACT SAID CRAFT MOTION, AND MEANS RESPONSIVE TO A PREDETERMINED RATE OF CHANGE OF CARFT MOTION ABOUT SAID AXIS IN ONE DIRECTION FOR A SPECIFIED MINIMUM TIME INTERVAL FOR DISABLING SAID CIRCUIT MEANS AND ELIMINATING SAID CORRECTION SIGNAL.
Claim 2
Dependent Claim
101 words
A STABILITY AUGMENTATION SYSTEM FOR A CRAFT COMPRISING MEANS FOR PRODUCING AN ERROR SIGNAL PROPORTIONAL TO THE RATE OF CRAFT MOTION ABOUT AN AXIS, CIRCUIT MEANS COMPENSATING SAID ERROR SIGNAL TO PRODUCE A CORRECTION SIGNAL, A CONTROL SURFACE ON SAID CRAFT, SERVO MEANS INCLUDING AN ACTUATOR RESPONSIVE TO SAID CORRECTION SIGNAL AND TO SAID ERROR SIGNAL FOR ACUTATING SAID CONTROL SURFACE TO THEREBY COUNTERACT SAID CRAFT MOTION, AND MEANS RESPONSIVE TO A PREDETERMINED RATE OF CHANGE OF CARFT MOTION ABOUT SAID AXIS IN ONE DIRECTION FOR A SPECIFIED MINIMUM TIME INTERVAL FOR DISABLING SAID CIRCUIT MEANS AND ELIMINATING SAID CORRECTION SIGNAL.
References Cited (Backward Citations)
US2762962A
Cited
US2973650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |