Patent US3354461A successfully refreshed from Google Patents.
US3354461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steerable antenna array
Assignee: Individual
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Filing: 1963-11-15
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Granted: 1967-11-21
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Kenneth S Kelleher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:18
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/44; H01Q3/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A STEERABLE ANTENNA ARRAY COMPRISING TRANSMITTER MEANS, FIRST ANTENNA MEANS COUPLED TO SAID TRANSMITTER MEANS FOR RADIATING ELECTROMAGNETIC WAVE ENERGY FROM FIRST REFLECTOR MEANS FOR REFLECTING THE WAVE ENERGY FROM SAID FIRST ANTENNA MEANS, SECOND ANTENNA MEANS FOR RECEIVING THE REFLECTED WAVE ENERGY, PHASE SHIFTING MEANS COUPLED TO SAID SECOND ANTENNA MEANS, SAID PHASE SHIFTING MEANS INCLUDING A THREE-PORT FERRITE CIRCULATOR AND A PLURALITY OF PHASE SHIFT ELEMENTS HAVING DIODECONTROLLED TRANSMISSION LINE SECTIONS OF A PREDETERMINED ELECTRICAL LENGTH TO GIVE A DESIRED DELAY WHEN SWITCHED IN THE TRANSMISSION PATH, AND SECOND REFLECTOR MEANS FOR REFLECTING THE WAVE ENERGY FROM SAID PHASE SHIFTING MEANS BACK THROUGH SAID PHASE SHIFTING MEANS FOR RADIATION BY SAID SECOND ANTENNA MEANS.
Claim 2
Dependent Claim
116 words
A STEERABLE ANTENNA ARRAY COMPRISING TRANSMITTER MEANS, FIRST ANTENNA MEANS COUPLED TO SAID TRANSMITTER MEANS FOR RADIATING ELECTROMAGNETIC WAVE ENERGY FROM FIRST REFLECTOR MEANS FOR REFLECTING THE WAVE ENERGY FROM SAID FIRST ANTENNA MEANS, SECOND ANTENNA MEANS FOR RECEIVING THE REFLECTED WAVE ENERGY, PHASE SHIFTING MEANS COUPLED TO SAID SECOND ANTENNA MEANS, SAID PHASE SHIFTING MEANS INCLUDING A THREE-PORT FERRITE CIRCULATOR AND A PLURALITY OF PHASE SHIFT ELEMENTS HAVING DIODECONTROLLED TRANSMISSION LINE SECTIONS OF A PREDETERMINED ELECTRICAL LENGTH TO GIVE A DESIRED DELAY WHEN SWITCHED IN THE TRANSMISSION PATH, AND SECOND REFLECTOR MEANS FOR REFLECTING THE WAVE ENERGY FROM SAID PHASE SHIFTING MEANS BACK THROUGH SAID PHASE SHIFTING MEANS FOR RADIATION BY SAID SECOND ANTENNA MEANS.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |