US3195838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control fault veto
Assignee: Allard Way Holdings Ltd
•
Filing: 1963-12-26
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Granted: 1965-07-20
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Bishop Geoffrey Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:01
CPC Classifications
B; B64; B64C; B64C29/00; B64C29/0091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A CONTROL ARRANGEMENT FOR AIRCRAFT COMPRISING MEANS TO DERIVE A MEASURE OF A FORCE AND MOVEMENT TO BE EXERTED ON THE AIRCRAFT STRUCTURE AS COMMANDED BY THE SETTING OF A PILOT''S PRIMARY CONTROL, A FIRST DEVICE TO MEASURE THE FORCE AND MOMENT ACTUALLY BEING EXERTED AND TO PRODUCE A SIGNAL DEPENDENT UPON THE DIFFERENCE, A FIRST ACTUATOR RESPONSIVE TO THE DIFFERENCE SIGNAL TO ACT UPON THE AIRCRAFT PRIMARY CONTROL SYSTEM, A SECOND AND INDEPENDENT DEVICE TO MEASURE THE ATTITUDE OF THE AIRCRAFT AND TO PROVIDE A SIGNAL CORRESPONDING TO THE DEPARTURE OF THE ATTITUDE FROM A DESIRED ATTITUDE, A SECOND ACTUATOR ASSOCIATED WITH THE SECOND DEVICE TO ACT UPON THE AIRCRAFT PRIMARY CONTROL SYSTEM, AND VETO MEANS ASSOCIATED WITH THE TWO ACTUATORS WHEREBY ONE DEVICE IS ABLE TO VETO THE ACTION OF THE OTHER IF THE SIGNALS OF THE TWO DEVICES ARE OF OPPOSITE SENSES INDICATING THAT ONE OF THE DEVICES HAS DEVELOPED A FAULT.
Claim 2
Dependent Claim
155 words
A CONTROL ARRANGEMENT FOR AIRCRAFT COMPRISING MEANS TO DERIVE A MEASURE OF A FORCE AND MOVEMENT TO BE EXERTED ON THE AIRCRAFT STRUCTURE AS COMMANDED BY THE SETTING OF A PILOT''S PRIMARY CONTROL, A FIRST DEVICE TO MEASURE THE FORCE AND MOMENT ACTUALLY BEING EXERTED AND TO PRODUCE A SIGNAL DEPENDENT UPON THE DIFFERENCE, A FIRST ACTUATOR RESPONSIVE TO THE DIFFERENCE SIGNAL TO ACT UPON THE AIRCRAFT PRIMARY CONTROL SYSTEM, A SECOND AND INDEPENDENT DEVICE TO MEASURE THE ATTITUDE OF THE AIRCRAFT AND TO PROVIDE A SIGNAL CORRESPONDING TO THE DEPARTURE OF THE ATTITUDE FROM A DESIRED ATTITUDE, A SECOND ACTUATOR ASSOCIATED WITH THE SECOND DEVICE TO ACT UPON THE AIRCRAFT PRIMARY CONTROL SYSTEM, AND VETO MEANS ASSOCIATED WITH THE TWO ACTUATORS WHEREBY ONE DEVICE IS ABLE TO VETO THE ACTION OF THE OTHER IF THE SIGNALS OF THE TWO DEVICES ARE OF OPPOSITE SENSES INDICATING THAT ONE OF THE DEVICES HAS DEVELOPED A FAULT.
References Cited (Backward Citations)
US3081968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |