US3381204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage rectifiers
Assignee: EK Cole Ltd
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Filing: 1966-03-28
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Granted: 1968-04-30
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Victor J Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:14
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/10; H02M7/103; H01; H01F; H01F27/00; H01F27/40; H02M7/106; H01F27/408
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HIGH VOLTAGE LOW CURRENT RECTIFIER COMPRISING A TRANSFORMER HAVING A PLURALITY OF SECONDARY WINDINGS AND A PRIMARY WINDING, SAID SECONDARY WINDINGS BEING MOUNTED IN CONCENTRIC LAYERS ABOUT A MAGNETIC CORE WITH SAID LAYERS HAVING SUBSTANTIALLY THE SAME NUMBER OF TURNS, BEING WOUND IN THE SAME DIRECTION AND BEING OF SUBSTANTIALLY EQUAL LENGTH, THE SECONDARY WINDINGS BEING SEPARATED BY DIELECTRIC MATERIAL SUCH THAT THE INTERWINDING CAPACITIES CONSTITUTE AT LEAST A PART OF THE COUPLING OR RESERVOIR CAPACITANCE IN THE RECTIFIER, A PLURALITY OF RECTIFIER ELEMENTS CONNECTED BETWEEN RESPECTIVE PAIRS OF THE SECONDARY WINDINGS PRODUCING A SEQUENCE OF INCREASED VOLTAGES TO OUTPUT TERMINALS OF THE RECTIFIER, THE ABOVE CONSTRUCTION PROVIDING THE HOMOLOGOUS POINTS ON ALL SAID LAYERS ARE MAINTAINED AT SUBSTANTIALLY THE SAME A.C. POTENTIAL.
Claim 2
Dependent Claim
124 words
A HIGH VOLTAGE LOW CURRENT RECTIFIER COMPRISING A TRANSFORMER HAVING A PLURALITY OF SECONDARY WINDINGS AND A PRIMARY WINDING, SAID SECONDARY WINDINGS BEING MOUNTED IN CONCENTRIC LAYERS ABOUT A MAGNETIC CORE WITH SAID LAYERS HAVING SUBSTANTIALLY THE SAME NUMBER OF TURNS, BEING WOUND IN THE SAME DIRECTION AND BEING OF SUBSTANTIALLY EQUAL LENGTH, THE SECONDARY WINDINGS BEING SEPARATED BY DIELECTRIC MATERIAL SUCH THAT THE INTERWINDING CAPACITIES CONSTITUTE AT LEAST A PART OF THE COUPLING OR RESERVOIR CAPACITANCE IN THE RECTIFIER, A PLURALITY OF RECTIFIER ELEMENTS CONNECTED BETWEEN RESPECTIVE PAIRS OF THE SECONDARY WINDINGS PRODUCING A SEQUENCE OF INCREASED VOLTAGES TO OUTPUT TERMINALS OF THE RECTIFIER, THE ABOVE CONSTRUCTION PROVIDING THE HOMOLOGOUS POINTS ON ALL SAID LAYERS ARE MAINTAINED AT SUBSTANTIALLY THE SAME A.C. POTENTIAL.
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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |