US3207974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inverter circuits
Assignee: General Electric Co
•
Filing: 1961-02-23
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Granted: 1965-09-21
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Mcmurray William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:49
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/5152; H02M1/00; H02M1/08; H02M7/5155; H02M7/4811
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
AN INVERTER CIRCUIT INCLUDING IN COMBINATION AT LEAST TWO SETS OF TWO SERIES CONNECTED GATE CONTROLLED RECTIFIERS CONNECTED IN PARALLEL CIRCUIT RELATIONSHIP ACROSS A SOURCE OF DIRECT CURRENT ELECTRIC POWER, A CAPACITOR AND A SHINGLE INDUCTOR DIRECTLY CONNECTED IN SERIES CIRCUIT RELATIONSHIP THROUGH A LOW IMPEDANCE PATH AT THE COMMUTATING FREQUENCY BETWEEN THE JUNCTION OF THE TWO GATE CONTROLLED RECTIFIERS INN EACH SET, A DIODE RECTIFIER CONNECTED IN PARALLEL CIRCUIT RELATIONSHIP ACROSS RESPECTIVE ONES OF AT LEAST ONE OF SAID SETS OF GATE CONTROLLED RECTIFIERS, AND A LOAD WITH RESPECT TO SAID GATE CONTROLLED RECTIFIERS, AND A LOAD OPERATIVELY CONNECTED THROUGH SAID LAST MENTIONED GATE CONTROLLED RECTIFIERS TO SAID SOURCE OF ELECTRIC POWER.
Claim 2
Dependent Claim
113 words
AN INVERTER CIRCUIT INCLUDING IN COMBINATION AT LEAST TWO SETS OF TWO SERIES CONNECTED GATE CONTROLLED RECTIFIERS CONNECTED IN PARALLEL CIRCUIT RELATIONSHIP ACROSS A SOURCE OF DIRECT CURRENT ELECTRIC POWER, A CAPACITOR AND A SHINGLE INDUCTOR DIRECTLY CONNECTED IN SERIES CIRCUIT RELATIONSHIP THROUGH A LOW IMPEDANCE PATH AT THE COMMUTATING FREQUENCY BETWEEN THE JUNCTION OF THE TWO GATE CONTROLLED RECTIFIERS INN EACH SET, A DIODE RECTIFIER CONNECTED IN PARALLEL CIRCUIT RELATIONSHIP ACROSS RESPECTIVE ONES OF AT LEAST ONE OF SAID SETS OF GATE CONTROLLED RECTIFIERS, AND A LOAD WITH RESPECT TO SAID GATE CONTROLLED RECTIFIERS, AND A LOAD OPERATIVELY CONNECTED THROUGH SAID LAST MENTIONED GATE CONTROLLED RECTIFIERS TO SAID SOURCE OF ELECTRIC POWER.
References Cited (Backward Citations)
US3120633A
Cited
US3074008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |