US3209353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terrain clearance computer circuit
Assignee: Individual
•
Filing: 1962-09-26
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Granted: 1965-09-28
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Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Wiener
- 👤 Anthony R Glorioso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:47
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0646; G01; G01S; G01S13/00; G01S13/88; G01S13/93; G01S13/933; G01S13/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TERRAIN CLEARANCE SYSTEM FOR PROCESSING INFORMATION SIGNALS RECEIVED BY A RADAR SYSTEM AND AN INERTIAL PLATFORM TO PRODUCE AUTO-PILOT COMMAND SIGNALS COMPRISING: ELECTRONIC CIRCUIT MEANS RESPONSIVE TO SAID INFORMATION SIGNALS FOR DERIVING AN OUTPUT SIGNAL PROPORTIONAL TO THE HEIGHT OF THE PROJECTED FLIGHT ATH ABOVE THE TERRAIN PROFILE AS A FUNCTION OF RANGE, ELECTRONIC GATING MEANS FOR SEPARATING SAID OUTPUT SIGNAL INTO NEAR-RANGE AND FAR-RANGE SIGNALS, SUMMING NETWORKS FOR COMPARING SAID NEAR-RANGE AND SAID FAR-RANGE SIGNALS WITH A PRE-SET CLEARANCE ALTITUDE SIGNAL, CIRCUIT MEANS RESPONSIVE TO SAID SUMMING NETWORKS FOR DEVELOPING AUTO-PILOT COMMAND DISNGLA TO CONTROL THE AIRCRAFT TO FLY OVER THE TERRAIN AT THE PRE-SET CLEARANCE ALTITUDE.
Claim 2
Dependent Claim
109 words
A TERRAIN CLEARANCE SYSTEM FOR PROCESSING INFORMATION SIGNALS RECEIVED BY A RADAR SYSTEM AND AN INERTIAL PLATFORM TO PRODUCE AUTO-PILOT COMMAND SIGNALS COMPRISING: ELECTRONIC CIRCUIT MEANS RESPONSIVE TO SAID INFORMATION SIGNALS FOR DERIVING AN OUTPUT SIGNAL PROPORTIONAL TO THE HEIGHT OF THE PROJECTED FLIGHT ATH ABOVE THE TERRAIN PROFILE AS A FUNCTION OF RANGE, ELECTRONIC GATING MEANS FOR SEPARATING SAID OUTPUT SIGNAL INTO NEAR-RANGE AND FAR-RANGE SIGNALS, SUMMING NETWORKS FOR COMPARING SAID NEAR-RANGE AND SAID FAR-RANGE SIGNALS WITH A PRE-SET CLEARANCE ALTITUDE SIGNAL, CIRCUIT MEANS RESPONSIVE TO SAID SUMMING NETWORKS FOR DEVELOPING AUTO-PILOT COMMAND DISNGLA TO CONTROL THE AIRCRAFT TO FLY OVER THE TERRAIN AT THE PRE-SET CLEARANCE ALTITUDE.
References Cited (Backward Citations)
US2965894A
Cited
US3028592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |