US3258774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series-fed phased array
Assignee: General Electric Co
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Filing: 1963-12-30
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Granted: 1966-06-28
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Richard R Kinsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q25/02; H01Q3/00; H01Q3/26; H01Q3/30; H01Q3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A BEAM STEERING SYSTEM COMPRISING, A LINEAR ARRAY OF RADIATING ELEMENTS, A PLURALITY OF PHASE SHIFTERS, MEANS COUPLING EACH OF SAID RADIATING ELEMENTS TO A FIRST TERMINAL OF ONE OF SAID PHASE SHIFTERS, A TRANSMISSION LINE, A PLURALITY OF CROSS-GUIDE COUPLERS ARRANGED SERIALLY IN SAID TRANSMISSION LINE, MEANS COUPLING A SECOND TERMINAL OF EACH OF SAID PHASE SHIFTERS TO A SEPARATE ONE OF SAID CROSS-GUIDE COUPLERS, AND A HYBRID JUNCTION COUPLED TO THE CENTER OF SAID TRANSMISSION LINE TO DELIVER SIGNALS PROPORTIONAL TO THE SUM AND TO THE DIFFERENCE OF SIGNALS RECEIVED BY THE ARRAY ELEMENTS AND TRANSMITTED THROUGH THE PHASE SHIFTERS, THE CROSS-GUIDE COUPLERS, THE COUPLIING MEANS AND THE TRANSMISSION LINE.
Claim 2
Dependent Claim
112 words
A BEAM STEERING SYSTEM COMPRISING, A LINEAR ARRAY OF RADIATING ELEMENTS, A PLURALITY OF PHASE SHIFTERS, MEANS COUPLING EACH OF SAID RADIATING ELEMENTS TO A FIRST TERMINAL OF ONE OF SAID PHASE SHIFTERS, A TRANSMISSION LINE, A PLURALITY OF CROSS-GUIDE COUPLERS ARRANGED SERIALLY IN SAID TRANSMISSION LINE, MEANS COUPLING A SECOND TERMINAL OF EACH OF SAID PHASE SHIFTERS TO A SEPARATE ONE OF SAID CROSS-GUIDE COUPLERS, AND A HYBRID JUNCTION COUPLED TO THE CENTER OF SAID TRANSMISSION LINE TO DELIVER SIGNALS PROPORTIONAL TO THE SUM AND TO THE DIFFERENCE OF SIGNALS RECEIVED BY THE ARRAY ELEMENTS AND TRANSMITTED THROUGH THE PHASE SHIFTERS, THE CROSS-GUIDE COUPLERS, THE COUPLIING MEANS AND THE TRANSMISSION LINE.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |