Patent US3129381A successfully refreshed from Google Patents.
US3129381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic amplifier with shunt-load and amplitude controlled output voltage
Assignee: General Electric Co
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Filing: 1960-02-04
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Granted: 1964-04-14
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Erich W Manteuffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
H; H03; H03F; H03F9/00; H03F9/02; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/34; G05F1/38; G05F1/40; G05F1/44; G05F3/00; G05F3/02; G05F3/04; G05F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A SHUNT LOADED MAGNETIC AMPLIFIER CIRCUIT HAVING ACCESS TO A SOURCE OF ALTERNATING VOLTAGE, A SERIES CIRCUIT COMPRISING FIRST INDUCTIVE MEANS AND A CAPACITOR CONNECTED TO DRAW CURRENT FROM SAID SOURCE, LOAD MEANS CONNECTED ACROSS THE PLATES OF SAID CAPACITOR, A PAIR OF OPPOSITELY POLED CONTROLLED RECTIFIERS IN PARALLEL ARRANGEMENT CONNECTED IN SERIES WITH SECOND INDUCTIVE MEANS, SAID SERIES PARALLEL CIRCUIT CONNECTED IN SHUNT WITH SAID CAPACITOR AND SAID LOAD MEANS, AND MEANS INCLUDING AT LEAST TWO SATURABLE REACTORS TO GATE SAID RECTIFIERS FROM THE NONCONDUCTIVE TO THE CONDUCTIVE STATE ALTERNATELY AT HALF CYCLES OF THE SUPPLY FREQUENCY.
Claim 2
Dependent Claim
99 words
IN A SHUNT LOADED MAGNETIC AMPLIFIER CIRCUIT HAVING ACCESS TO A SOURCE OF ALTERNATING VOLTAGE, A SERIES CIRCUIT COMPRISING FIRST INDUCTIVE MEANS AND A CAPACITOR CONNECTED TO DRAW CURRENT FROM SAID SOURCE, LOAD MEANS CONNECTED ACROSS THE PLATES OF SAID CAPACITOR, A PAIR OF OPPOSITELY POLED CONTROLLED RECTIFIERS IN PARALLEL ARRANGEMENT CONNECTED IN SERIES WITH SECOND INDUCTIVE MEANS, SAID SERIES PARALLEL CIRCUIT CONNECTED IN SHUNT WITH SAID CAPACITOR AND SAID LOAD MEANS, AND MEANS INCLUDING AT LEAST TWO SATURABLE REACTORS TO GATE SAID RECTIFIERS FROM THE NONCONDUCTIVE TO THE CONDUCTIVE STATE ALTERNATELY AT HALF CYCLES OF THE SUPPLY FREQUENCY.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |