US3305867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna array system
Assignee: Raytheon Co
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Filing: 1963-11-05
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Granted: 1967-02-21
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Aldo R Miccioli
- 👤 Donald H Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:35
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/44; H01Q3/46
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
AN ANTENNA ARRAY SYSTEM COMPRISING: AN ARRAY OF PASSIVE VARIABLE ELECTRICAL LENGTH ELEMENTS, EACH INCLUDING AT LEAST ONE DIODE PHASE SHIFTER MEANS FOR PHASE SHIFTING ENERGY INCIDENT UPON SAID PASSIVE ELEMENTS, SAID DIODE PHASE SHIFTER MEANS COMPRISING A FOUR-PORT HYBRID HAVING A PAIR OF CONJUGATE ARMS AND A PAIR OF ORTHOGONAL ARMS, AND VARIABLE ADMITTANCE MEANS IN SHUNT ACROSS SAID CONJUGATE ARMS; ANTENNA MEANS DISPOSED IN SPACED APART RELATION FROM SAID ARRAY FOR ACCEPTING ENERGY AT CERTAIN INTERVALS OF TIME AND PROPAGATING ENERGY AT OTHER INTERVALS OF TIME; AND, MEANS FOR CONTROLLING THE COLLIMATING AND DIRECTING OF ENERGY FROM SAID ANTENNA MEANS DURING THE PROPAGATING INTERVAL AND FOCUSING ENERGY REFLECTED FROM OBJECTS IN THE PATH OF SAID PROPAGATED ENERGY DURING THE ACCEPTING INTERVAL COMPRISING MEANS FOR CONTROLLING THE ELECTRIC LENGTH OF SELECTED VARIABLE ELECTRIC LENGTH ELEMENTS.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |