US3195076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impedance matching balun employing a ferrite core
Assignee: Westinghouse Electric Corp
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Filing: 1961-07-07
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Granted: 1965-07-13
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Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Heber J Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:34
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A TRANSMISSION SYSTEM FOR ELECTRIC CURRENTS OF HIGH FREQUENCY IN WHICH ENERGY FLOWS BETWEEN BALANCED AND UNBALANCED CIRCUITS, THE COMBINATION COMPRISING, FIRST CIRCUIT MEANS FOR CONVERTING A VOLTAGE WHICH IS UNBALANCED WITH RESPECT TO GROUND TO A VOLTAGE WHICH IS BALANCED WITH RESPECT TO GROUND COMPRISING A MAIN WINDING CONPRISING SEVERAL TURNS OF A COAXIAL LINE HAVING AN INNER CONDUCTOR AND AN OUTER CONDUCTOR, AN AUXILIARY WINDING HAVING THE SAME NUMBER OR CONDUCTOR TURNS AS SAID MAIN WINDING, AND A FIRST MAGNETIC CORE ON WHICH SAID MAIN WINDING AND SAID AUXILIARY WINDING ARE INDUCTIVELY DISPOSED, SAID FIRST MAGNETIC CORE BEING FORMED FROM FERRITE MAGNETIC MATERIAL TO REDUCE THE LOSSES IN SAID MAGNETIC CORE AT HIGHER FREQUENCIES; SECOND CIRCUIT MEANS FOR MATCHING THE IMPEDANCE OF SAID BLANCED AND UNBALANCED CIRCUITS CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH SAID FIRST CIRCUIT MEANS AND COMPRISING SEVERAL ADDITIONAL WINDINGS OF BALANCED TRANSMISSION LINE, AT LEAST TWO OF SAID
Claim 2
Dependent Claim
154 words
IN A TRANSMISSION SYSTEM FOR ELECTRIC CURRENTS OF HIGH FREQUENCY IN WHICH ENERGY FLOWS BETWEEN BALANCED AND UNBALANCED CIRCUITS, THE COMBINATION COMPRISING, FIRST CIRCUIT MEANS FOR CONVERTING A VOLTAGE WHICH IS UNBALANCED WITH RESPECT TO GROUND TO A VOLTAGE WHICH IS BALANCED WITH RESPECT TO GROUND COMPRISING A MAIN WINDING CONPRISING SEVERAL TURNS OF A COAXIAL LINE HAVING AN INNER CONDUCTOR AND AN OUTER CONDUCTOR, AN AUXILIARY WINDING HAVING THE SAME NUMBER OR CONDUCTOR TURNS AS SAID MAIN WINDING, AND A FIRST MAGNETIC CORE ON WHICH SAID MAIN WINDING AND SAID AUXILIARY WINDING ARE INDUCTIVELY DISPOSED, SAID FIRST MAGNETIC CORE BEING FORMED FROM FERRITE MAGNETIC MATERIAL TO REDUCE THE LOSSES IN SAID MAGNETIC CORE AT HIGHER FREQUENCIES; SECOND CIRCUIT MEANS FOR MATCHING THE IMPEDANCE OF SAID BLANCED AND UNBALANCED CIRCUITS CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH SAID FIRST CIRCUIT MEANS AND COMPRISING SEVERAL ADDITIONAL WINDINGS OF BALANCED TRANSMISSION LINE, AT LEAST TWO OF SAID
References Cited (Backward Citations)
US2777996A
Cited
US3051918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |