Patent US3300878A successfully refreshed from Google Patents.
US3300878A
Expired / Lapsed
US
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Flight training apparatus
Assignee: Communications Patents Ltd
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Filing: 1963-12-19
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Granted: 1967-01-31
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Expires: 1983-12-19
Abstract
No abstract record available.
Inventors
- 👤 Butcher Harold John
- 👤 Pitts Frank Horace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:52
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/12; G09B9/14; B; B64; B64D; B64D10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
GROUND-BASED FLIGHT TRAINING APPARATUS INCLUDING APPARATUS FOR SIMULATING PHYSICAL EFFECTS CORRESPONDING TO THOSE EXPERIENCED IN ACTUAL FLIGHT BY THE WEARER OF AN INFLATABLE GARMENT, COMPRISING AT LEAST ONE INFLATABLE GARMENT, MEANS FOR SUPPLYING AIR UNDER PRESSURE TO THE GARMENT, ONE REMOTELY-CONTROLLED VALVE DEVICE INCLUDING PRESSURE SENSITIVE MEANS FOR CONTROLLING THE SUPPLY OF AIR TO THE INFLATABLE GARMENT, A CONTROL VALVE FOR CONTROLLING THE OPERATION OF THE SAID PRESSURE SENSITIVE MEANS, A SERVOMECHANISM FOR ACTUATING THE SAID CONTROL VALVE, AND COMPUTING MEANS ASSOCIATED WITH AN ACCELERATION COMPUTING SYSTEM OF THE FLIGHT TRAINING APPARATUS, SAID COMPUTER MEANS INCLUDING A GENERATOR MEANS FOR GENERATING A FIRST SIGNAL PROPORTIONAL TO THE RATE OF CHANGE OF ACCELERATION AND A MEANS FOR GENERATING A SECOND SIGNAL PROPORTIONAL TO ACCELERATION, AND SAID SERVO-MECHANISM INCLUDING A MEANS FOR COMBINING THE FIRST TWO SIGNALS TO CREATE A THIRD SIGNAL, AND MEANS WITHIN SAID SERVO-MECHANISM FOR RESPONDING TO THE SAID THIRD SIGNAL TO ACTUATE THE SAID CONTROL VALVE, SO THAT THE PRESSURE VARIATIONS AT THE SAID PRESSURE SENSITIVE MEANS DERIVED FROM THE CONTROL VALVE CORRESPONDS TO THE ACCELERATION AND RATE OF CHANGE OF ACCELERATION SIGNALS GENERATED BY THE SAID COMPUTER.
Claim 2
Dependent Claim
190 words
GROUND-BASED FLIGHT TRAINING APPARATUS INCLUDING APPARATUS FOR SIMULATING PHYSICAL EFFECTS CORRESPONDING TO THOSE EXPERIENCED IN ACTUAL FLIGHT BY THE WEARER OF AN INFLATABLE GARMENT, COMPRISING AT LEAST ONE INFLATABLE GARMENT, MEANS FOR SUPPLYING AIR UNDER PRESSURE TO THE GARMENT, ONE REMOTELY-CONTROLLED VALVE DEVICE INCLUDING PRESSURE SENSITIVE MEANS FOR CONTROLLING THE SUPPLY OF AIR TO THE INFLATABLE GARMENT, A CONTROL VALVE FOR CONTROLLING THE OPERATION OF THE SAID PRESSURE SENSITIVE MEANS, A SERVOMECHANISM FOR ACTUATING THE SAID CONTROL VALVE, AND COMPUTING MEANS ASSOCIATED WITH AN ACCELERATION COMPUTING SYSTEM OF THE FLIGHT TRAINING APPARATUS, SAID COMPUTER MEANS INCLUDING A GENERATOR MEANS FOR GENERATING A FIRST SIGNAL PROPORTIONAL TO THE RATE OF CHANGE OF ACCELERATION AND A MEANS FOR GENERATING A SECOND SIGNAL PROPORTIONAL TO ACCELERATION, AND SAID SERVO-MECHANISM INCLUDING A MEANS FOR COMBINING THE FIRST TWO SIGNALS TO CREATE A THIRD SIGNAL, AND MEANS WITHIN SAID SERVO-MECHANISM FOR RESPONDING TO THE SAID THIRD SIGNAL TO ACTUATE THE SAID CONTROL VALVE, SO THAT THE PRESSURE VARIATIONS AT THE SAID PRESSURE SENSITIVE MEANS DERIVED FROM THE CONTROL VALVE CORRESPONDS TO THE ACCELERATION AND RATE OF CHANGE OF ACCELERATION SIGNALS GENERATED BY THE SAID COMPUTER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |