US3136962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biased ferromagnetic multiport microwave circulator
Assignee: Raytheon Co
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Filing: 1963-09-25
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Granted: 1964-06-09
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Bowness Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:17
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32; H01P1/38; H01P1/383; H01P1/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A MICROWAVE CIRCULATOR FOR USE IN A WAVEGUIDE SYSTEM THE COMBINATION COMPRISING: A SYMMETRICAL JUNCTION HAVING AT LEAST FOUR RECTANGULAR WAVEGUIDE PORTS CAPABLE OF SUPPORTING A SINGLE DOMINANT MODE OF PROPAGATED WAVE EQUIDISPOSED WITH RESPECT TO EACH OTHER ABOUT A COMMON CENTRAL AXIS; AT LEAST ONE CIRCULAR FERROMAGNETIC ROD ATTACHED TO ONE WALL OF SAID JUNCTION AND AXIALLY SYMMETRICAL WITH RESPECT TO SAID COMMON AXIS, THE SURFACE OF SAID ROD BEING PLANAR IN A DIRECTION PARALLEL TO THE LARGEST TRANSVERSE ELECTRICAL DIMENSIONS OF SAID PORTS; AN ELONGATE POST OF DIELECTRIC MATERIAL AXIALLY SYMMETRICAL WITH RESPECT TO SAID COMMON AXIS; AND MEANS FOR APPLYING A MAGNETIC FIELD TO SAID ROD IN THE DIRECTION OF SAID COMMON AXIS.
Claim 2
Dependent Claim
117 words
IN A MICROWAVE CIRCULATOR FOR USE IN A WAVEGUIDE SYSTEM THE COMBINATION COMPRISING: A SYMMETRICAL JUNCTION HAVING AT LEAST FOUR RECTANGULAR WAVEGUIDE PORTS CAPABLE OF SUPPORTING A SINGLE DOMINANT MODE OF PROPAGATED WAVE EQUIDISPOSED WITH RESPECT TO EACH OTHER ABOUT A COMMON CENTRAL AXIS; AT LEAST ONE CIRCULAR FERROMAGNETIC ROD ATTACHED TO ONE WALL OF SAID JUNCTION AND AXIALLY SYMMETRICAL WITH RESPECT TO SAID COMMON AXIS, THE SURFACE OF SAID ROD BEING PLANAR IN A DIRECTION PARALLEL TO THE LARGEST TRANSVERSE ELECTRICAL DIMENSIONS OF SAID PORTS; AN ELONGATE POST OF DIELECTRIC MATERIAL AXIALLY SYMMETRICAL WITH RESPECT TO SAID COMMON AXIS; AND MEANS FOR APPLYING A MAGNETIC FIELD TO SAID ROD IN THE DIRECTION OF SAID COMMON AXIS.
References Cited (Backward Citations)
US2951216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |