US3259831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing circuit for electrically interconnected semiconductor devices
Assignee: ITE Circuit Breaker Co
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Filing: 1964-02-13
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Granted: 1966-07-05
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Expires: 1984-02-13
Abstract
No abstract record available.
Inventors
- 👤 Isadore K Dortort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:12
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CURRENT BALANCING CIRCUIT FOR FIRST AND SECOND PARALLEL CONNECTED CONTROLLED RECTIFIERS; SAID FIRST AND SECOND CONTROLLED RECTIFIERS EACH HAVING FIRST AND SECOND MAIN TERMINALS AND A CONTROL TERMINAL; SAID CURRENT BALANCING CIRCUIT INCLUDING A MAGNETIC CORE HAVING A FIRST, SECOND, THIRD AND FOURTH WINDING; ONE END OF SAID FIRST AND SECOND WINDINGS BEING CONNECTED IN SERIES WITH SAID FIRST AND SECOND MAIN TERMINALS RESPECTIVELY OF SAID FIRST AND SECOND CONTROLLED RECTIFIERS RESPECTIVELY; ONE END OF SAID THIRD AND FOURTH WINDINGS BEING CONNECTED TO SAID CONTROL TERMINAL OF SAID FIRST AND SECOND CONTROLLED RECTIFIERS RESPECTIVELY; THE OTHER END OF SAID FIRST AND SECOND WINDINGS BEING CONNECTED TOGETHER; AND A FIRING SIGNAL GENERATING MEANS; THE OTHER END OF EACH OF SAID THIRD AND FOURTH WINDINGS BEING CONNECTED TO SAID FIRING SIGNAL GENERATING MEANS.
Claim 2
Dependent Claim
132 words
A CURRENT BALANCING CIRCUIT FOR FIRST AND SECOND PARALLEL CONNECTED CONTROLLED RECTIFIERS; SAID FIRST AND SECOND CONTROLLED RECTIFIERS EACH HAVING FIRST AND SECOND MAIN TERMINALS AND A CONTROL TERMINAL; SAID CURRENT BALANCING CIRCUIT INCLUDING A MAGNETIC CORE HAVING A FIRST, SECOND, THIRD AND FOURTH WINDING; ONE END OF SAID FIRST AND SECOND WINDINGS BEING CONNECTED IN SERIES WITH SAID FIRST AND SECOND MAIN TERMINALS RESPECTIVELY OF SAID FIRST AND SECOND CONTROLLED RECTIFIERS RESPECTIVELY; ONE END OF SAID THIRD AND FOURTH WINDINGS BEING CONNECTED TO SAID CONTROL TERMINAL OF SAID FIRST AND SECOND CONTROLLED RECTIFIERS RESPECTIVELY; THE OTHER END OF SAID FIRST AND SECOND WINDINGS BEING CONNECTED TOGETHER; AND A FIRING SIGNAL GENERATING MEANS; THE OTHER END OF EACH OF SAID THIRD AND FOURTH WINDINGS BEING CONNECTED TO SAID FIRING SIGNAL GENERATING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |