US3564546A
Expired / Lapsed
US
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Countermeasures system utilizing superconductive frequency memory device
Assignee: Unisys Corp
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Filing: 1959-08-10
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Granted: 1971-02-16
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Expires: 1979-08-10
Abstract
Abstract 8. A COUNTERMEASURES SYSTEM COMPRISING MEANS FOR RECEIVVING PULSED MICROWAVE SIGNALS EMITTED BY A VICTIM RADAR, A SUPERCONDUCTIVE RESONANT CAVITY COUPLED TO SAID MEANS FOR RECEIVING, SAID CAVITY BEING DIMENSIONED SO AS TOI SUPPORT A MULTIPLICITY OF MODES OF OSCILLATION WITHIN THE FREQUENCY SPECTRUM OF THE VICTIM RADAR SIGNALS, MEANS FOR MAINTAINING THE TEMPERATURE OF SAID RESONANT CAVITY BELOW THE SUPERCONDUCTIVE TRANSISTION TEMPERATURE, AND MEANS FOR COUPLING OUT AND TRANSMITTING BACK TO THE ENEMY RADAR THE OSCILLATIONS PRESENT IN SAID RESONANT CAVITY.
Inventors
- 👤 Kay Howard Barney
- 👤 Peter K Shizume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:32
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/06; G; G01; G01S; G01S7/00; G01S7/02; G01S7/38; Y; Y10; Y10S; Y10S505/00; Y10S505/825
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |