US3255457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retroflector having multi-beam antennas with individual ports for individual beams and means interconnecting ports of like directed beams
Assignee: Hazeltine Research Inc
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Filing: 1963-06-28
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Granted: 1966-06-07
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Peter W Hannan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:00
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/75; H; H01; H01Q; H01Q25/00; H01Q3/00; H01Q3/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A REFLECTING ANTENNA ARRAY SYSTEM FOR PROVIDING A SUBSTANTIALLY UNIFORM HIGH LEVEL OF REFLECTION FOR ANY INCIDENCE ANGLE, COMPRISING: A PLURALITY OF MULTIBEAM SUPPORTED IN A SUBSTANTIALLY SPHERICAL ARRAY, EACH ANTENNA HAVING A SEPARATE PORT FOR EACH OF ITS BEAMS; AND A PLURALITY OF TRANSMISSION LINES CONNECTED TO SAID PORTS OF SAID ANTENNA, EACH PORT BEING CONNECTED TO THAT PORT WHICH HAS THE SAME BEAM DIRECTION AND WHICH OCCUPIES THE SYMMETRICAL POSITION RELATIVE TO THE BEAM DIRECTION INVOLVED; WHEREBY INCIDENT WAVES IN A RANGE OF FREQUENCIES ARE EFFICIENTLY REFLECTED BACK TOWARD THE SOURCE OF SAID WAVES.
Claim 2
Dependent Claim
96 words
A REFLECTING ANTENNA ARRAY SYSTEM FOR PROVIDING A SUBSTANTIALLY UNIFORM HIGH LEVEL OF REFLECTION FOR ANY INCIDENCE ANGLE, COMPRISING: A PLURALITY OF MULTIBEAM SUPPORTED IN A SUBSTANTIALLY SPHERICAL ARRAY, EACH ANTENNA HAVING A SEPARATE PORT FOR EACH OF ITS BEAMS; AND A PLURALITY OF TRANSMISSION LINES CONNECTED TO SAID PORTS OF SAID ANTENNA, EACH PORT BEING CONNECTED TO THAT PORT WHICH HAS THE SAME BEAM DIRECTION AND WHICH OCCUPIES THE SYMMETRICAL POSITION RELATIVE TO THE BEAM DIRECTION INVOLVED; WHEREBY INCIDENT WAVES IN A RANGE OF FREQUENCIES ARE EFFICIENTLY REFLECTED BACK TOWARD THE SOURCE OF SAID WAVES.
References Cited (Backward Citations)
US2566703A
Cited
US2908002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |