US3289112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip transmission line ferrite filterlimiter having a ferrite sphere positioned beneath overlapping conductors
Assignee: Individual
•
Filing: 1964-08-31
•
Granted: 1966-11-29
•
Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Charles E Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:54
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/215; H01P1/218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A STRIP TRANSMISSION LINE FERRITE FILTER-LIMITER ADAPTED FOR USE AS A NARROW BANDPASS FILTER AND POWER LIMITER FOR R.F. SIGNALS COMPRISING: A PAIR OF CLOSELY SPACED, PLANE PARALLEL DIELECTRIC MEMBERS HAVING A PAIR OF GROUND PLANELS MOUNTED ON THEIR OUTER FACES AND A PAIR OF MUTUALLY PERPENDICULAR, OVERLAPPING CENTER CONDUCTORS PRINTED ON THEIR INNER OPPOSING FACES, THE END PORTIONS OF EACH OF SAID CONDUCTORS EXTENDING PERPENDICULARLY FROM THE FACES OF SAID DIELECTRIC MEMBERS THROUGH ONE OF SAID DIELECTRIC MEMBERS TO ITS ASSOCIATED GROUND PLANE AND MAKING CONTACT THEREWITH TO FORM AN R.F. SHORT CIRCUIT, A FERRITE SPHERE POSITIONED WITHIN A CAVITY IN SAID ONE DIELECTRIC MEMBER BENEATH SAID OVERLAPPING CONDUCTORS, AND MEANS FOR MAGNETICALLY BIASING SAID FERRITE SPHERE TO RESONANCE.
Claim 2
Dependent Claim
120 words
A STRIP TRANSMISSION LINE FERRITE FILTER-LIMITER ADAPTED FOR USE AS A NARROW BANDPASS FILTER AND POWER LIMITER FOR R.F. SIGNALS COMPRISING: A PAIR OF CLOSELY SPACED, PLANE PARALLEL DIELECTRIC MEMBERS HAVING A PAIR OF GROUND PLANELS MOUNTED ON THEIR OUTER FACES AND A PAIR OF MUTUALLY PERPENDICULAR, OVERLAPPING CENTER CONDUCTORS PRINTED ON THEIR INNER OPPOSING FACES, THE END PORTIONS OF EACH OF SAID CONDUCTORS EXTENDING PERPENDICULARLY FROM THE FACES OF SAID DIELECTRIC MEMBERS THROUGH ONE OF SAID DIELECTRIC MEMBERS TO ITS ASSOCIATED GROUND PLANE AND MAKING CONTACT THEREWITH TO FORM AN R.F. SHORT CIRCUIT, A FERRITE SPHERE POSITIONED WITHIN A CAVITY IN SAID ONE DIELECTRIC MEMBER BENEATH SAID OVERLAPPING CONDUCTORS, AND MEANS FOR MAGNETICALLY BIASING SAID FERRITE SPHERE TO RESONANCE.
References Cited (Backward Citations)
US3162826A
Cited
US3234494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |