US3077557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flight path computer
Assignee: Unisys Corp
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Filing: 1960-09-30
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Granted: 1963-02-12
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Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Everett S Joline
- 👤 Robert C Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:17
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0661; G01; G01P; G01P3/00; G01P3/62; G05D1/0615; G05D1/0623; Y; Y10; Y10S; Y10S208/00; Y10S208/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
APPARATUS FOR PROVIDING A FLIGHT PATH ANGLE CONTROL SIGNAL COMPRISING MEANS PRODUCING SIGNALS REPRESENTING SHORT TERM VARIATIONS IN THE CRAFT RATE OF CLIMB, MEANS PRODUCING SIGNALS REPRESENTING LONG TERM VARIATIONS IN THE CRAFT CLIMB RATE, MEANS PRODUCING A SIGNAL REPRESENTING THE SPEED OF SAID CRAFT, MEANS PRODUCING A SIGNAL THAT VARIES IN PROPORTION TO THE RATE OF CHANGE OF FLIGHT PATH ANGLE, AND MEANS RECEIVING SAID LAST MENTIONED SIGNAL, SAID LONG AND SHORT TERM CLIMB RATE SIGNALS AND SAID SPEED SIGNAL AND PRODUCING A CONTROL SIGNAL REPRESENTING THE SUM OF SAID SIGNAL VARYING IN PROPORTION TO SAID FLIGHT PATH ANGLE RATE AND A SIGNAL REPRESENTING THE QUOTIENT OF THE SUM OF SAID LONG AND SHORT TERM CLIMB RATE SIGNALS DIVIDED BY SAID SPEED SIGNAL.
References Cited (Backward Citations)
US2896145A
Cited
US2950431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |