Patent US3078408A successfully refreshed from Google Patents.
US3078408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor charging magnetic amplifier
Assignee: Individual
•
Filing: 1959-02-05
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Granted: 1963-02-19
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter L Colterjohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:14
CPC Classifications
H; H03; H03F; H03F9/00; H03F9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A MAGNETIC AMPLIFIER SYSTEM IN WHICH OUTPUT CAPACITORS ARE CHARGED AS A RESULT OF CIRCUIT UNBALANCE CAUSED BY THE NON-SIMULTANEOUS SATURATION OF THE MAGNETIC CORES OF REACTIVE ELEMENTS, THE COMBINATION INCLUDING A PAIR OF REACTIVE ELEMENTS EACH HAVING A SATURABLE MAGNETIC CORE, AT LEAST ONE GATE WINDING ON EACH CORE AND SAID WINDING BEING ELECTRICALLY CONNECTED ONE TO THE OTHER, A SOURCE OF ALTERNATING CURRENT POTENTIAL CONNECTED TO SAID WINDINGS, AN OUTPUT CIRCUIT ALSO IN ELECTRICAL CONNECTION WITH THE WINDINGS, SAID OUTPUT CIRCUIT INCLUDING A PAIR OF CONDUCTORS IN PARALLEL RELATION AND WITH EACH CONDUCTOR HAVING A CAPACITOR AND A RECTIFYING ELEMENT CONNECTED IN SERIES, THE SAID RECTIFYING ELEMENTS SERVING TO PREVENT DISCHARGE OF THE CAPACITORS THROUGH THE GATE WINDINGS, MEANS CONNECTING SAID CAPACITORS TO LOAD IMPEDANCE MEANS, AND CONTROL WINDINGS MAGNETICALLY COUPLED TO THE GATE WINDINGS FOR CONTROLLING THE SATURATION PERIODS OF SAID CORES.
Claim 2
Dependent Claim
145 words
A MAGNETIC AMPLIFIER SYSTEM IN WHICH OUTPUT CAPACITORS ARE CHARGED AS A RESULT OF CIRCUIT UNBALANCE CAUSED BY THE NON-SIMULTANEOUS SATURATION OF THE MAGNETIC CORES OF REACTIVE ELEMENTS, THE COMBINATION INCLUDING A PAIR OF REACTIVE ELEMENTS EACH HAVING A SATURABLE MAGNETIC CORE, AT LEAST ONE GATE WINDING ON EACH CORE AND SAID WINDING BEING ELECTRICALLY CONNECTED ONE TO THE OTHER, A SOURCE OF ALTERNATING CURRENT POTENTIAL CONNECTED TO SAID WINDINGS, AN OUTPUT CIRCUIT ALSO IN ELECTRICAL CONNECTION WITH THE WINDINGS, SAID OUTPUT CIRCUIT INCLUDING A PAIR OF CONDUCTORS IN PARALLEL RELATION AND WITH EACH CONDUCTOR HAVING A CAPACITOR AND A RECTIFYING ELEMENT CONNECTED IN SERIES, THE SAID RECTIFYING ELEMENTS SERVING TO PREVENT DISCHARGE OF THE CAPACITORS THROUGH THE GATE WINDINGS, MEANS CONNECTING SAID CAPACITORS TO LOAD IMPEDANCE MEANS, AND CONTROL WINDINGS MAGNETICALLY COUPLED TO THE GATE WINDINGS FOR CONTROLLING THE SATURATION PERIODS OF SAID CORES.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |