Patent US3277399A successfully refreshed from Google Patents.
US3277399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband multi-port circulator having real and reactive component matching structures in the transmission lines
Assignee: Unisys Corp
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Filing: 1964-04-16
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Granted: 1966-10-04
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:47
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32; H01P1/38; H01P1/383; H01P1/387
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN A MULTI-TERMINAL CIRCULATOR ADAPTED TO OPERATE OVER A BROAD RANGE OF FREQUENCIES, THE COMBINATION COMPRISING, A PLURALITY OF ELECTROMAGNETIC WAVE TRANSMISSION LINES EACH HAVING A RESPECTIVE END CONNECTED TO A COMMON TRANSMISSION LINE JUNCTION LOACTED ON AN AXIS, GYROMAGNETIC MATERIAL DISPOSED IN SAID COMMON JUNCTION FOR EXHIBITING THE GYROMAGNETIC EFFECT TO ELECTROMAGNETIC WAVES IN SAID RANGE OF FREQUENCIES, SAID JUNCTION WITH THE GYROMAGNETIC MATERIAL THEREIN PRESENTING AN IMPEDANCE CHARACTERISTIC THROUGHOUT SAID RANGE OF FREQUENCIES THAT DIFFERS FROM THAT OF THE RESPECTIVE ONES OF SAID TRANSMISSION LINES, AN IMPEDANCE TRANSFORMER IN EACH OF SAID TRANSMISSION LINES FOR EFFECTING A CONDITION OF SUBSTANTIAL IMPEDANCE MATCH BETWEEN THE REAL COMPONENT OF THE RESPECTIVE TRANSMISSION LINE IMPEDANCE AND THE REAL COMPONENT OF THE IMPEDANCE PRESENTED BY SAID JUNCTION WITH THE GYROMAGNETIC MATERIAL THEREIN, AND A SERIES RESONANT CIRCUIT CONNECTED IN SERIES IN EACH OF SAID TRANSMISSION LINES FOR EFFECTING A CONDITION OF SUBSTANTIALLY IMPEDANCE MATCH BETWEEN THE REACTIVE COMPONENT OF THE RESPECTIVE TRANSMISSION LINE IMPEDANCE AND THE REACTIVE COMPONENT OF THE IMPEDANCE PRESENTED BY SAID JUNCTION WITH THE GYROMAGNETIC MATERIAL THEREIN.
Claim 2
Dependent Claim
178 words
IN A MULTI-TERMINAL CIRCULATOR ADAPTED TO OPERATE OVER A BROAD RANGE OF FREQUENCIES, THE COMBINATION COMPRISING, A PLURALITY OF ELECTROMAGNETIC WAVE TRANSMISSION LINES EACH HAVING A RESPECTIVE END CONNECTED TO A COMMON TRANSMISSION LINE JUNCTION LOACTED ON AN AXIS, GYROMAGNETIC MATERIAL DISPOSED IN SAID COMMON JUNCTION FOR EXHIBITING THE GYROMAGNETIC EFFECT TO ELECTROMAGNETIC WAVES IN SAID RANGE OF FREQUENCIES, SAID JUNCTION WITH THE GYROMAGNETIC MATERIAL THEREIN PRESENTING AN IMPEDANCE CHARACTERISTIC THROUGHOUT SAID RANGE OF FREQUENCIES THAT DIFFERS FROM THAT OF THE RESPECTIVE ONES OF SAID TRANSMISSION LINES, AN IMPEDANCE TRANSFORMER IN EACH OF SAID TRANSMISSION LINES FOR EFFECTING A CONDITION OF SUBSTANTIAL IMPEDANCE MATCH BETWEEN THE REAL COMPONENT OF THE RESPECTIVE TRANSMISSION LINE IMPEDANCE AND THE REAL COMPONENT OF THE IMPEDANCE PRESENTED BY SAID JUNCTION WITH THE GYROMAGNETIC MATERIAL THEREIN, AND A SERIES RESONANT CIRCUIT CONNECTED IN SERIES IN EACH OF SAID TRANSMISSION LINES FOR EFFECTING A CONDITION OF SUBSTANTIALLY IMPEDANCE MATCH BETWEEN THE REACTIVE COMPONENT OF THE RESPECTIVE TRANSMISSION LINE IMPEDANCE AND THE REACTIVE COMPONENT OF THE IMPEDANCE PRESENTED BY SAID JUNCTION WITH THE GYROMAGNETIC MATERIAL THEREIN.
References Cited (Backward Citations)
US3165711A
Cited
US3085212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |