US3560985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact steerable antenna array
Assignee: TDK Micronas GmbH
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Filing: 1967-08-04
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Granted: 1971-02-02
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Expires: 1987-08-04
Abstract
Abstract A COMPACT, STEERABLE, BOARD BANDWIDTH ANTENNA ARRAY WHICH IS CAPABLE OF PROVIDING MULTIPLE INDEPENDENT OUTPUTS WHICH ARE UTILIZABLE BY A PLURALITY OF INDEPENDENT RECEIVING SYSTEMS. THE ARRAY INCLUDES A PLURALITY OF RELATIVELY CLOSELY SPACED (I.E., LESS THAN ONE WAVELENGTH) ANTENNA ELEMENTS WHICH ARE COUPLED TOGETHER INTO GROUPS OF ANTENNA ELEMENTS, EACH GROUP PROVIDING A RADIATION PATTERN WHICH IS SUBSTANTIALLY INVARIANT WITH WAVELENGTH ABOVE A PREDETERMINED VALUE OF WAVELENGTH. THE OUTPUTS OF THESE GROUPS ARE THEN SELECTIVELY COMBINED TO PROVIDE A DIRECTIVE RADIATION PATTERN.
Inventors
- 👤 Zeno G Lyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:39
CPC Classifications
H; H01; H01Q; H01Q25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |