Patent US3078455A successfully refreshed from Google Patents.
US3078455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space stabilization of a search pattern
Assignee: North American Aviation Corp
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Filing: 1954-05-10
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Granted: 1963-02-19
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Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Brainin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:42
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/18; G; G05; G05D; G05D1/00; G05D1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
341 words
IN A STABILIZING UNIT FOR THE SEARCH AND TRACK MODES OF THE ANTENNA OF A RADAR CARRIED IN A VEHICLE, A RADAR ANTENNA, MEANS FOR PRODUCING SIGNALS OF DESIRED ANTENNA ELEVATION AND AZIMUTH SO AS TO CAUSE SAID ANTENNA TO SWEEP IN ARCS OF SMALL CIRCLES RELATIVE TO SAID VEHICLE, MEANS FOR PITCH STABILIZING SAID ELEVATION SIGNAL BY VARYING IT ACCORDING TO THE PITCH OF THE VEHICLE, MEANS FOR ROLL STABILIZING SAID PITCH STABILIZED ELEVATION SIGNAL AND SAID AZIMUTH SIGNAL BY VARYING THEM ACCORDING TO THE ROLL OF SAID VEHICLE, MEANS FOR PRODUCING A SIGNAL INDICATING THE ELEVATION OF SAID DIRECTABLE DEVICE RELATIVE TO SAID VEHICLE, MEANS FOR PRODUCING A SIGNAL INDICATING THE AZIMUTH OF SAID RADAR ANTENA RELATIVE TO SAID VEHICLE, SERVO MEANS CONTROLLING SAID RADAR ANTENNA IN RESPONSE TO THE DIFFERENCE BETWEEN SAID INDICATED AZIMUTH AND ELEVATION SIGNALS AND SAID ROLL STABILIZED AZIMUTH SIGNAL, MEANS FOR VARYING SAID INDICATED ELEVATION AND AZIMUTH SIGNALS ACCORDING TO VEHICLE ROLL PROVIDING A ROLL STABILIZED INDICATED AZIMUTH SIGNAL AND MEANS PROVIDING A SIGNAL ACCORDING TO DESIRED ANTENNA ELEVATION AND FIRST INDICATOR MEANS RESPONSIVE TO SAID ROLL STABILIZED INDICATED AZIMUTH SIGNAL AND SAID DESIRED ANTENNA ELEVATION TO DISPLAY THE AIM OF SAID ANTENNA, AND SECOND INDICATOR MEANS RESPONSIVE ROLL STABILIZED AZIMUTH SIGNAL AND TO THE RANGE SIGNALS OF SAID RADAR TO DISPLAY THE RANGE AND CORRESPONDING AZIMUTH OF DETECTED OBJECTS, CURSOR GENERATING MEANS FOR PRODUCING A SIGNAL VARYING ACCORDING TO SAID DESIRED ANTENNA AZIMUTH SIGNAL AND MEANS FOR COMPARING SAID IMMEDIATELY PRECEDING SIGNAL WITH SAID ROLL STABILIZED INDICATED AZIMUTH SIGNAL, INDICATOR MEANS RESPONSIVE TO SAID COMPARISON MEANS WHEREBY AN AZIMUTH CURSOR IS PROVIDED, MEANS FOR SWITCHING SAID MEANS FOR ROLL STABILIZING FROM RECEIVING SAID AZIMUTH SIGNAL TO RECEIVING THE OUTPUT OF SAID CURSOR GENERATING MEANS, WHEREBY THE ANTENNA IS SERVO CONTROLLED TO POINT IN AZIMUTH AT THE CURSOR POSITION, AZIMUTH PICK-OFF MEANS ON SAID ANTENA, ELEVATION PICK-OFF MEANS ON SAID ANTENNA, MEANS FOR SWITCHING SAID INDICATOR MEANS FROM SAID ROLL STABILIZED INDICATED AZIMUTH AND ELEVATION SIGNALS TO SIGNALS FROM SAID AZIMUTH AND ELEVATION PICK-OFFS.
Claim 2
Dependent Claim
341 words
IN A STABILIZING UNIT FOR THE SEARCH AND TRACK MODES OF THE ANTENNA OF A RADAR CARRIED IN A VEHICLE, A RADAR ANTENNA, MEANS FOR PRODUCING SIGNALS OF DESIRED ANTENNA ELEVATION AND AZIMUTH SO AS TO CAUSE SAID ANTENNA TO SWEEP IN ARCS OF SMALL CIRCLES RELATIVE TO SAID VEHICLE, MEANS FOR PITCH STABILIZING SAID ELEVATION SIGNAL BY VARYING IT ACCORDING TO THE PITCH OF THE VEHICLE, MEANS FOR ROLL STABILIZING SAID PITCH STABILIZED ELEVATION SIGNAL AND SAID AZIMUTH SIGNAL BY VARYING THEM ACCORDING TO THE ROLL OF SAID VEHICLE, MEANS FOR PRODUCING A SIGNAL INDICATING THE ELEVATION OF SAID DIRECTABLE DEVICE RELATIVE TO SAID VEHICLE, MEANS FOR PRODUCING A SIGNAL INDICATING THE AZIMUTH OF SAID RADAR ANTENA RELATIVE TO SAID VEHICLE, SERVO MEANS CONTROLLING SAID RADAR ANTENNA IN RESPONSE TO THE DIFFERENCE BETWEEN SAID INDICATED AZIMUTH AND ELEVATION SIGNALS AND SAID ROLL STABILIZED AZIMUTH SIGNAL, MEANS FOR VARYING SAID INDICATED ELEVATION AND AZIMUTH SIGNALS ACCORDING TO VEHICLE ROLL PROVIDING A ROLL STABILIZED INDICATED AZIMUTH SIGNAL AND MEANS PROVIDING A SIGNAL ACCORDING TO DESIRED ANTENNA ELEVATION AND FIRST INDICATOR MEANS RESPONSIVE TO SAID ROLL STABILIZED INDICATED AZIMUTH SIGNAL AND SAID DESIRED ANTENNA ELEVATION TO DISPLAY THE AIM OF SAID ANTENNA, AND SECOND INDICATOR MEANS RESPONSIVE ROLL STABILIZED AZIMUTH SIGNAL AND TO THE RANGE SIGNALS OF SAID RADAR TO DISPLAY THE RANGE AND CORRESPONDING AZIMUTH OF DETECTED OBJECTS, CURSOR GENERATING MEANS FOR PRODUCING A SIGNAL VARYING ACCORDING TO SAID DESIRED ANTENNA AZIMUTH SIGNAL AND MEANS FOR COMPARING SAID IMMEDIATELY PRECEDING SIGNAL WITH SAID ROLL STABILIZED INDICATED AZIMUTH SIGNAL, INDICATOR MEANS RESPONSIVE TO SAID COMPARISON MEANS WHEREBY AN AZIMUTH CURSOR IS PROVIDED, MEANS FOR SWITCHING SAID MEANS FOR ROLL STABILIZING FROM RECEIVING SAID AZIMUTH SIGNAL TO RECEIVING THE OUTPUT OF SAID CURSOR GENERATING MEANS, WHEREBY THE ANTENNA IS SERVO CONTROLLED TO POINT IN AZIMUTH AT THE CURSOR POSITION, AZIMUTH PICK-OFF MEANS ON SAID ANTENA, ELEVATION PICK-OFF MEANS ON SAID ANTENNA, MEANS FOR SWITCHING SAID INDICATOR MEANS FROM SAID ROLL STABILIZED INDICATED AZIMUTH AND ELEVATION SIGNALS TO SIGNALS FROM SAID AZIMUTH AND ELEVATION PICK-OFFS.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |