US3242430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthogonal antenna signal combining arrangement using phase-locked loops
Assignee: Space-General Corp
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Filing: 1960-12-30
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Granted: 1966-03-22
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Rabindra N Ghose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/02; H04B7/04; H04B7/08; H04B7/0837; H04B7/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
AN ANTENNA ARRANGEMENT FOR PRODUCING AN OPTIMUM OUTPUT SIGNAL IRRESPECTIVE OF THE DIRECTION FROM WHICH AN INTERCEPTED SIGNAL IS RECEIVED, SAID ANTENNA ARRANGEMENT COMPRISING: THREE ANTENNAS RESPECTIVELY POSITIONED AND ORIENTED ALONG THE THREE AXES OF A THREE-DIMENSIONAL ORTHOGONAL SYSTEM OF REFERENCE, SAID THREE ANTENNAS RESPECTIVELY PRODUCING THREE SIGNALS THAT ARE, IN ACCORDANCE WITH SAID REFERENCE SYSTEM, AXIAL COMPONENTS OF THE INTERCEPTED SIGNAL; FIRST MEANS COUPLED TO ONE OF SAID ANTENNAS FOR SHIFTING THE PHASE OF THE SIGNAL COMPONENT THEREFROM BY NINETY DEGREES; SECOND MEANS COUPLED TO ANOTHER OF SAID ANTENNAS AND TO SAID FIRST MEANS FOR ADDING THE SIGNAL COMPONENT THEREFROM TO PRODUCE A FIRST OUTPUT SIGNAL; THIRD MEANS COUPLED TO THE THIRD OF SAID ANTENNAS AND TO SAID SECOND MEANS FOR SHIFTING THE PHASES OF SAID FIRST OUTPUT SIGNAL AND THE SIGNAL COMPONENT FROM SAID THIRD ANTENNA UNTIL THEY ARE IN PHASE WITH EACH OTHER; SAID THIRD MEANS INCLUDING A FIRST PHASE-LOCKED CIRCUIT COUPLED TO SAID SECOND MEANS FOR SHIFTING THE PHASE OF SAID FIRST OUTPUT SIGNAL AND A SECOND PHASE-LOCKED CIRCUIT COUPLED TO THE THIRD OF SAID ANTENNAS FOR SHIFTING THE PHASE OF
Claim 2
Dependent Claim
185 words
AN ANTENNA ARRANGEMENT FOR PRODUCING AN OPTIMUM OUTPUT SIGNAL IRRESPECTIVE OF THE DIRECTION FROM WHICH AN INTERCEPTED SIGNAL IS RECEIVED, SAID ANTENNA ARRANGEMENT COMPRISING: THREE ANTENNAS RESPECTIVELY POSITIONED AND ORIENTED ALONG THE THREE AXES OF A THREE-DIMENSIONAL ORTHOGONAL SYSTEM OF REFERENCE, SAID THREE ANTENNAS RESPECTIVELY PRODUCING THREE SIGNALS THAT ARE, IN ACCORDANCE WITH SAID REFERENCE SYSTEM, AXIAL COMPONENTS OF THE INTERCEPTED SIGNAL; FIRST MEANS COUPLED TO ONE OF SAID ANTENNAS FOR SHIFTING THE PHASE OF THE SIGNAL COMPONENT THEREFROM BY NINETY DEGREES; SECOND MEANS COUPLED TO ANOTHER OF SAID ANTENNAS AND TO SAID FIRST MEANS FOR ADDING THE SIGNAL COMPONENT THEREFROM TO PRODUCE A FIRST OUTPUT SIGNAL; THIRD MEANS COUPLED TO THE THIRD OF SAID ANTENNAS AND TO SAID SECOND MEANS FOR SHIFTING THE PHASES OF SAID FIRST OUTPUT SIGNAL AND THE SIGNAL COMPONENT FROM SAID THIRD ANTENNA UNTIL THEY ARE IN PHASE WITH EACH OTHER; SAID THIRD MEANS INCLUDING A FIRST PHASE-LOCKED CIRCUIT COUPLED TO SAID SECOND MEANS FOR SHIFTING THE PHASE OF SAID FIRST OUTPUT SIGNAL AND A SECOND PHASE-LOCKED CIRCUIT COUPLED TO THE THIRD OF SAID ANTENNAS FOR SHIFTING THE PHASE OF
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |