Patent US3203652A successfully refreshed from Google Patents.
US3203652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft flight control apparatus
Assignee: Bendix Corp
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Filing: 1963-07-05
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Granted: 1965-08-31
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Doniger Jerry
- 👤 Fred J Belsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:58
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0676; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
FLIGHT PATH CONTROL APPARATUS FOR AN INSTRUMENT LANDING SYSTEM OF AN AIRCRAFT, COMPRISING RECEIVER MEANS FOR PROVINDING A DISPLACEMENT SIGNAL PROPORTIONAL TO THE DISPLACEMENT OFC THE AIRCRAFT FROM A GLIDE SLOPE BEAM, INTEGRATOR MEANS CONNECTED TO THE OUTPUT OF SAID RECEIVER MEANS FOR DEVELOPING A SIGNAL CORRESPONDING TO THE INTEGRAL OF SAID DISPLACEMENT SIGNAL, MEANS FOR SUPPLYING A SIGNAL PROPORTIONAL TO THE RATE OF DESCENT OF THE AIRCRAFT, WASHOUT MEANS RESPONSIVE TO SAID RATE OF DESCENT SIGNAL AND HAVING AN OUTPUT UPON THE AIRCRAFT BEING OFF THE CENTER OF SAID GILDE SLOPE BEAM, MEANS FOR SUPPLYING THE OUTPUT FROM SAID WASHOUT MEANS TO SAID INTEGRATOR, SAID INTEGRATOR BEING RESPONSIVE TO THE OUTPUT FROM SAID WASHOUT MEANS FOR DEVELOPING A FURTHER SIGNAL PROPORTIONAL TO THE INTEGRAL OF THE OUTPUT OF SAID WASHOUT MEANS, CONDUCTOR MEANS CONNECTED TO RECEIVE SAID INTEGRATED SIGNALS TO PROVIDE A PITCH COMMAND SIGNAL TO GUIDE THE AIRCRAFT ON SAID GLIDE SLOPE BEAM.
Claim 2
Dependent Claim
155 words
FLIGHT PATH CONTROL APPARATUS FOR AN INSTRUMENT LANDING SYSTEM OF AN AIRCRAFT, COMPRISING RECEIVER MEANS FOR PROVINDING A DISPLACEMENT SIGNAL PROPORTIONAL TO THE DISPLACEMENT OFC THE AIRCRAFT FROM A GLIDE SLOPE BEAM, INTEGRATOR MEANS CONNECTED TO THE OUTPUT OF SAID RECEIVER MEANS FOR DEVELOPING A SIGNAL CORRESPONDING TO THE INTEGRAL OF SAID DISPLACEMENT SIGNAL, MEANS FOR SUPPLYING A SIGNAL PROPORTIONAL TO THE RATE OF DESCENT OF THE AIRCRAFT, WASHOUT MEANS RESPONSIVE TO SAID RATE OF DESCENT SIGNAL AND HAVING AN OUTPUT UPON THE AIRCRAFT BEING OFF THE CENTER OF SAID GILDE SLOPE BEAM, MEANS FOR SUPPLYING THE OUTPUT FROM SAID WASHOUT MEANS TO SAID INTEGRATOR, SAID INTEGRATOR BEING RESPONSIVE TO THE OUTPUT FROM SAID WASHOUT MEANS FOR DEVELOPING A FURTHER SIGNAL PROPORTIONAL TO THE INTEGRAL OF THE OUTPUT OF SAID WASHOUT MEANS, CONDUCTOR MEANS CONNECTED TO RECEIVE SAID INTEGRATED SIGNALS TO PROVIDE A PITCH COMMAND SIGNAL TO GUIDE THE AIRCRAFT ON SAID GLIDE SLOPE BEAM.
References Cited (Backward Citations)
US3030053A
Cited
US3045955A
Cited
US3038156A
Cited
US3052427A
Cited
US3077557A
Cited
US3058699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |