US3340484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocal latched ferrite phase shifter
Assignee: RCA Corp
•
Filing: 1966-03-10
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Granted: 1967-09-05
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Expires: 1986-03-10
Abstract
No abstract record available.
Inventors
- 👤 Wieslaw W Siekanowicz
- 👤 William A Schilling
- 👤 Bardash Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:59
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A PHASE SHIFTER COMPRISING A TRANSMISSION LINE, A FERRITE BODY POSITIONED IN SAID TRANSMISSION LINE AND EXTENDING IN PARALLEL RELATION TO SAID TRANSMISSION LINE, MEANS PROVIDING A CLOSED MAGNETIC PATH FOR MAGNETIC FLUX THAT IS CAUSED TO FLOW THE LENGTH OF SAID FERRITE BODY, MEANS COMPRISING A MAGNETIZING LOOP WHICH, WHEN ENERGIZED BY A FLOW OF CURRENT THROUGH SAID LOOP, CAUSES A MAGNETIC FLUX FLOW OVER SAID MAGNETIC PATH AND THE LENGTH OF SAID FERRITE BODY TO MAGNETIZE SAID BODY, THE DIRECTION OF SAID MAGNETIZATION BEING SUBSTANTIALLY PARALLEL TO THE LENGTH OF SAID TRANSMISSION LINE, MEANS FOR PRODUCING A PULSE OF CURRENT OF A CERTAIN POLARITY THROUGH SAID LOOP TO MAGNETIZE SAID FERRITE BODY WHEREBY SAID FERRITE BODY IS LATCHED TO A STATE OF INDUCED FLUX UPON TERMINATION OF SAID PULSE, AND MEANS FOR NEXT PRODUCING THROUGH SAID LOOP A PULSE OF CURRENT OF THE OPPOSITE POLARITY AND OF SUCH AMPLITUDE THAT UPON TERMINATION OF SAID OPPOSITE POLARITY PULSE SAID FERRITE BODY HAS APPROXIMATELY ZERO INDUCED FLUX.
Claim 2
Dependent Claim
167 words
A PHASE SHIFTER COMPRISING A TRANSMISSION LINE, A FERRITE BODY POSITIONED IN SAID TRANSMISSION LINE AND EXTENDING IN PARALLEL RELATION TO SAID TRANSMISSION LINE, MEANS PROVIDING A CLOSED MAGNETIC PATH FOR MAGNETIC FLUX THAT IS CAUSED TO FLOW THE LENGTH OF SAID FERRITE BODY, MEANS COMPRISING A MAGNETIZING LOOP WHICH, WHEN ENERGIZED BY A FLOW OF CURRENT THROUGH SAID LOOP, CAUSES A MAGNETIC FLUX FLOW OVER SAID MAGNETIC PATH AND THE LENGTH OF SAID FERRITE BODY TO MAGNETIZE SAID BODY, THE DIRECTION OF SAID MAGNETIZATION BEING SUBSTANTIALLY PARALLEL TO THE LENGTH OF SAID TRANSMISSION LINE, MEANS FOR PRODUCING A PULSE OF CURRENT OF A CERTAIN POLARITY THROUGH SAID LOOP TO MAGNETIZE SAID FERRITE BODY WHEREBY SAID FERRITE BODY IS LATCHED TO A STATE OF INDUCED FLUX UPON TERMINATION OF SAID PULSE, AND MEANS FOR NEXT PRODUCING THROUGH SAID LOOP A PULSE OF CURRENT OF THE OPPOSITE POLARITY AND OF SUCH AMPLITUDE THAT UPON TERMINATION OF SAID OPPOSITE POLARITY PULSE SAID FERRITE BODY HAS APPROXIMATELY ZERO INDUCED FLUX.
References Cited (Backward Citations)
US3051917A
Cited
US3277401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |