US3333795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flare computer
Assignee: Collins Radio Co
•
Filing: 1966-01-10
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Granted: 1967-08-01
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Hattendorf
- 👤 Charles A Oppedahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:02
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/78; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
MEANS FOR CONTROLLING THE DESCENT OF AN AIRCRAFT FROM A PREDETERMINED ALTITUDE TO ZERO ALTITUDE, COMPRISING MEANS FOR DEVELOPING A FIRST SIGNAL PROPORTIONAL TO THE INSTANTANEOUS DESCENT RATE OF SAID AIRCRAFT, MEANS FOR DEVELOPING A SECOND SIGNAL PROPORTIONAL TO A PREDETERMINED COMMANDED DESCENT RATE AS A FUNCTION OF THE INSTANTANEOUS AIRCRAFT ALTITUDE, SAID FIRST AND SECOND SIGNALS BEING OPPOSITELY SENSED, FIRST SIGNAL MIXING MEANS RECEIVING SAID FIRST AND SECOND SIGNALS AND DEVELOPING AN OUTPUT PROPORTIONAL TO THE ALGEBRAIC DIFFERENCE BETWEEN SAID SIGNALS, SIGNAL TRANSLATING MEANS RECEIVING THE OUTPUT OF SAID MIXING MEANS, SAID SIGNAL TRANSLATING MEANS BEING ADAPTED TO PRODUCE AN OUTPUT PROPORTIONAL TO THOSE INPUT SIGNALS THERETO HAVING A SENSE LIKE THAT OF SAID FIRST SIGNAL
Claim 2
Dependent Claim
117 words
MEANS FOR CONTROLLING THE DESCENT OF AN AIRCRAFT FROM A PREDETERMINED ALTITUDE TO ZERO ALTITUDE, COMPRISING MEANS FOR DEVELOPING A FIRST SIGNAL PROPORTIONAL TO THE INSTANTANEOUS DESCENT RATE OF SAID AIRCRAFT, MEANS FOR DEVELOPING A SECOND SIGNAL PROPORTIONAL TO A PREDETERMINED COMMANDED DESCENT RATE AS A FUNCTION OF THE INSTANTANEOUS AIRCRAFT ALTITUDE, SAID FIRST AND SECOND SIGNALS BEING OPPOSITELY SENSED, FIRST SIGNAL MIXING MEANS RECEIVING SAID FIRST AND SECOND SIGNALS AND DEVELOPING AN OUTPUT PROPORTIONAL TO THE ALGEBRAIC DIFFERENCE BETWEEN SAID SIGNALS, SIGNAL TRANSLATING MEANS RECEIVING THE OUTPUT OF SAID MIXING MEANS, SAID SIGNAL TRANSLATING MEANS BEING ADAPTED TO PRODUCE AN OUTPUT PROPORTIONAL TO THOSE INPUT SIGNALS THERETO HAVING A SENSE LIKE THAT OF SAID FIRST SIGNAL
References Cited (Backward Citations)
US3052427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |