Patent US3378846A successfully refreshed from Google Patents.
US3378846A
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Method and apparatus for testing phased array antennas
Assignee: Raytheon Co
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Filing: 1966-10-03
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Granted: 1968-04-16
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Expires: 1986-10-03
Abstract
No abstract record available.
Inventors
- 👤 Lowenschuss Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:29
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/44; H01Q3/46; G; G01; G01R; G01R29/00; G01R29/08; G01R29/10; H01Q3/26; H01Q3/267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
APPARATUS FOR INDIVIDUALLY TESTING EACH ELEMENT OF A PHASED ARRAY ANTENNA WHEREIN EACH ELEMENT OF THE ARRAY HAS A B CONTROL BIT PHASE SHIFTER ASSOCIATED THEREWITH, SAID APPARATUS COMPRISING: TRANSMISSION MEANS FOR TRANSMITTING A REFERENCE SIGNAL TO THE ELEMENTS OF THE ARRAY; CIRCUIT MEANS FOR VARYING THE PHASE SHIFTERS FOR EACH ELEMENT OF THE ARRAY ONE AT A TIME; RECEIVER MEANS FOR RECEIVING THE RESULTANT SIGNALS; AND MEASURING MEANS CONECTED TO SAID RECIVER FOR INDICATING THE AMPLITUDE AND PHASE MODULATION INDICES PRODUCED BY THE CIRCUIT MEANS SWITCHING OF THE BITS OF THE PHASE SHIFTER ASSOCIATED WITH THE ELEMENT UNDER TEST.
Claim 2
Dependent Claim
100 words
APPARATUS FOR INDIVIDUALLY TESTING EACH ELEMENT OF A PHASED ARRAY ANTENNA WHEREIN EACH ELEMENT OF THE ARRAY HAS A B CONTROL BIT PHASE SHIFTER ASSOCIATED THEREWITH, SAID APPARATUS COMPRISING: TRANSMISSION MEANS FOR TRANSMITTING A REFERENCE SIGNAL TO THE ELEMENTS OF THE ARRAY; CIRCUIT MEANS FOR VARYING THE PHASE SHIFTERS FOR EACH ELEMENT OF THE ARRAY ONE AT A TIME; RECEIVER MEANS FOR RECEIVING THE RESULTANT SIGNALS; AND MEASURING MEANS CONECTED TO SAID RECIVER FOR INDICATING THE AMPLITUDE AND PHASE MODULATION INDICES PRODUCED BY THE CIRCUIT MEANS SWITCHING OF THE BITS OF THE PHASE SHIFTER ASSOCIATED WITH THE ELEMENT UNDER TEST.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |