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US3081437A Expired / Lapsed US ⏱️ 0.0 years remaining

Converter with inductance means for sweeping charge carriers from base region

Assignee: TDK Micronas GmbH
•
Filing: 1959-05-01
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Granted: 1963-03-12
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Expires: 1979-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Arthur J Radcliffe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:25
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 138 words
A POWER SUPPLY COMPRISING A PAIR OF SEMI-CONDUCTORS EACH OF WHICH INCLUDES AT LEAST A BASE ELECTRODE, A SUBSTANTIALLY SQUARE HYSTERESIS LOOP CORE HAVING WINDINGS THEREON, MEANS INCLUDING SAID WINDINGS FOR CYCLICALLY BIASING A FIRST OF SAID SEMI-CONDUCTORS TO A CONDUCTING STATE AND FOR BIASING THE OTHER OF SAID SEMI-CONDUCTORS TO A NON-CONDUCTING STATE DURING FIRST HALF CYCLES WHILE CORE FLUX IS BEING DRIVEN TO SATURATION IN A FIRST MAGNETIC DIRECTION, MEANS INCLUDING SAID WINDINGS FOR CYCLICALLY BIASING SAID FIRST SEMI-CONDUCTOR TO A NON-CONDUCTING STATE AND SAID OTHER SEMI-CONDUCTOR TO A CONDUCTING STATE DURING SECOND HALF CYCLES WHILE CORE FLUX IS BEING DRIVEN TO SATURATION IN AN OPPOSITE DIRECTION, AND INDUCTANCE MEANS CONNECTED BETWEEN SAID BASE ELECTRODES TO PROVIDE LAG CURRENT EACH TIME THAT ONE OF SAID SEMI-CONDUCTORS IS CUTOFF, FOR SWEEPING CHARGE CARRIERS FROM SAID BASE REGION.
Claim 2
Dependent Claim 138 words
A POWER SUPPLY COMPRISING A PAIR OF SEMI-CONDUCTORS EACH OF WHICH INCLUDES AT LEAST A BASE ELECTRODE, A SUBSTANTIALLY SQUARE HYSTERESIS LOOP CORE HAVING WINDINGS THEREON, MEANS INCLUDING SAID WINDINGS FOR CYCLICALLY BIASING A FIRST OF SAID SEMI-CONDUCTORS TO A CONDUCTING STATE AND FOR BIASING THE OTHER OF SAID SEMI-CONDUCTORS TO A NON-CONDUCTING STATE DURING FIRST HALF CYCLES WHILE CORE FLUX IS BEING DRIVEN TO SATURATION IN A FIRST MAGNETIC DIRECTION, MEANS INCLUDING SAID WINDINGS FOR CYCLICALLY BIASING SAID FIRST SEMI-CONDUCTOR TO A NON-CONDUCTING STATE AND SAID OTHER SEMI-CONDUCTOR TO A CONDUCTING STATE DURING SECOND HALF CYCLES WHILE CORE FLUX IS BEING DRIVEN TO SATURATION IN AN OPPOSITE DIRECTION, AND INDUCTANCE MEANS CONNECTED BETWEEN SAID BASE ELECTRODES TO PROVIDE LAG CURRENT EACH TIME THAT ONE OF SAID SEMI-CONDUCTORS IS CUTOFF, FOR SWEEPING CHARGE CARRIERS FROM SAID BASE REGION.

References Cited (Backward Citations)

US2647958A Cited
US2620448A Cited
US2759104A Cited
US2843762A Cited
US2943212A Cited
US2892102A Cited
US2849673A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-11 1966-09-10 1967-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-11 1970-09-10 1971-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-11 1974-09-10 1975-03-12 $7700.00 Window Closed / Lapsed

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