US3081437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Converter with inductance means for sweeping charge carriers from base region
Assignee: TDK Micronas GmbH
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Filing: 1959-05-01
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Granted: 1963-03-12
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Expires: 1979-05-01
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.
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US2759104A
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US2843762A
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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 |