US3289115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocal stripline ferrite phase shifter having a folded center conductor
Assignee: Ferrotec Inc
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Filing: 1964-02-12
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Granted: 1966-11-29
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:44
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
APPARATUS FOR SHIFTING THE PHASE OF AN ELECTRICAL SIGNAL COMPRISING: A STRIP TRANSMISSION LINE HAVING ITS CENTER CONDUCTOR DISPOSED BETWEEN SPACED GROUND PLANE PLATES; A PAIR OF FERRITE SLAMP DISPOSED BETWEEN THE GROUND PLANE PLATES; THE CENTER CONDUCTOR OF THE STRIP TRANSMISSION LINE HAVING FOLDS SITUATED BETWEEN THE PAIR OF FERRITE SLABS WHEREBY WAVE PROPAGATION ALONG THE FOLDED PORTION OF THE LINE OCCURS IN THE FERRITE MEDIUM; AND MEANS FOR ESTABLISHING A MAGNETIC FIELD TO WHICH THE FERRITE SLAMP ARE SUBJECT FOR CONTROLLING WAVE PROPAGATION IN THE FERRITE MEDIUM.
Claim 2
Dependent Claim
89 words
APPARATUS FOR SHIFTING THE PHASE OF AN ELECTRICAL SIGNAL COMPRISING: A STRIP TRANSMISSION LINE HAVING ITS CENTER CONDUCTOR DISPOSED BETWEEN SPACED GROUND PLANE PLATES; A PAIR OF FERRITE SLAMP DISPOSED BETWEEN THE GROUND PLANE PLATES; THE CENTER CONDUCTOR OF THE STRIP TRANSMISSION LINE HAVING FOLDS SITUATED BETWEEN THE PAIR OF FERRITE SLABS WHEREBY WAVE PROPAGATION ALONG THE FOLDED PORTION OF THE LINE OCCURS IN THE FERRITE MEDIUM; AND MEANS FOR ESTABLISHING A MAGNETIC FIELD TO WHICH THE FERRITE SLAMP ARE SUBJECT FOR CONTROLLING WAVE PROPAGATION IN THE FERRITE MEDIUM.
References Cited (Backward Citations)
US2768357A
Cited
US3164790A
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 |