US3072869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocal gyromagnetic loss device
Assignee: AT&T Inc
•
Filing: 1959-04-29
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Granted: 1963-01-08
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Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 Seidel Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:28
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/22; H01P1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A MICROWAVE COMPONENT ADAPTED TO SUPPORT DOMINANT MODE ELECTROMAGNETIC WAVE ENERGY OF SOLELY TRANSVERSE ELECTRIC AND SOLELY TRANSVERSE MAGNETIC FIELD DISTRIBUTIONS COMPRISING, A TRANSMISSION PATH WHICH IS CONDUCTIVELY BOUNDED IN AT LEAST TWO OPPOSITELY DISPOSED REGIONS, A CONDUCTIVE MEMBER SYMMETRICALLY POSITIONED BETWEEN SAID REGIONS, AND MEANS FOR OPERATING SAID COMPONENT IN A CUT-OFF CONDITION IN WHICH SAID WAVE ENERGY OF FREQUENCIES BETWEEN F0 AND F2 PROPAGATING IN EITHER DIRECTION THERETHROUGH IS HIGHLY ATTENUATED, SAID MEANS COMPRISING THE COMBINATION OF MAGNETICALLY POLARIZABLE MATERIAL POSITIONED IN THE SPACE BETWEEN SAID REGIONS AND SAID MEMBER AND CONTIGUOUS TO AT LEAST ONE CONDUCTIVE SURFACE THEREOF, SAID MATERIAL FILLING LESS THAN HALF OF THE AREA BETWEEN SAID REGIONS AND SAID MEMBER AND EXHIBITING FERROMAGNETIC RESONANCE IN THE PRESENCE OF SAID WAVE ENEGRY AT A FREQUENCY F1 BETWEEN F0 AND F2 WITH A RESONANCE LINE WIDTH WHICH IS LESS THAN
Claim 2
Dependent Claim
144 words
A MICROWAVE COMPONENT ADAPTED TO SUPPORT DOMINANT MODE ELECTROMAGNETIC WAVE ENERGY OF SOLELY TRANSVERSE ELECTRIC AND SOLELY TRANSVERSE MAGNETIC FIELD DISTRIBUTIONS COMPRISING, A TRANSMISSION PATH WHICH IS CONDUCTIVELY BOUNDED IN AT LEAST TWO OPPOSITELY DISPOSED REGIONS, A CONDUCTIVE MEMBER SYMMETRICALLY POSITIONED BETWEEN SAID REGIONS, AND MEANS FOR OPERATING SAID COMPONENT IN A CUT-OFF CONDITION IN WHICH SAID WAVE ENERGY OF FREQUENCIES BETWEEN F0 AND F2 PROPAGATING IN EITHER DIRECTION THERETHROUGH IS HIGHLY ATTENUATED, SAID MEANS COMPRISING THE COMBINATION OF MAGNETICALLY POLARIZABLE MATERIAL POSITIONED IN THE SPACE BETWEEN SAID REGIONS AND SAID MEMBER AND CONTIGUOUS TO AT LEAST ONE CONDUCTIVE SURFACE THEREOF, SAID MATERIAL FILLING LESS THAN HALF OF THE AREA BETWEEN SAID REGIONS AND SAID MEMBER AND EXHIBITING FERROMAGNETIC RESONANCE IN THE PRESENCE OF SAID WAVE ENEGRY AT A FREQUENCY F1 BETWEEN F0 AND F2 WITH A RESONANCE LINE WIDTH WHICH IS LESS THAN
References Cited (Backward Citations)
GB674874A
Cited
FR1089421A
Cited
US2755447A
Cited
US2787656A
Cited
FR1141972A
Cited
US2897452A
Cited
DE1002417B
Cited
US2915713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |