US3311809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static inverter commutation circuit
Assignee: General Electric Co
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Filing: 1963-06-19
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Granted: 1967-03-28
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Philip D Corey
- 👤 Armistead L Wellford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:14
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/505; H02M7/515; H02M7/5157
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CIRCUIT FOR CONVERTING THE OUTPUT OF A UNDIRECTIONAL POTENTIAL SOURCE HAVING A POSITIVE AND A NEGATIVE TERMINAL TO AN A.C. OUTPUT COMPRISING A SERIES ARRANGEMENT OF FIRST AND SECOND GATE CONTROLLED RECTIFIERS AND A CENTER TAPPED INDUCTANCE DISPOSED THEREBETWEEN CONNECTED ACROSS SAID SOURCE, A FIRST CAPACITANCE CONNECTED ACROSS SAID FIRST GATE CONTROLLED RECTIFIER AND HALF OF SAID INDUCTANCE, A SECOND CAPACITANCE CONNECTED ACROSS SAID SECOND GATE CONTROLLED RECTIFIER AND THE OTHER HALF OF SAID INDUCTANCE, AN AUTOTRANSFORMER HAVING A PRIMARY AND A SECONDARY WINDING COUPLED IN SERIES AND HAVING A FIRST END TERMINAL, A SECOND END TERMINAL, AND A COMMON TERMINAL, MEANS COUPLING SAID FIRST TERMINAL TO THE CENTER TAP OF SAID INDUCTANCE, A FIRST FORWARD POLED DIODE CONNECTED BETWEEN SAID COMMON TERMINAL OF SAID PRIMARY AND SEC-
Claim 2
Dependent Claim
129 words
A CIRCUIT FOR CONVERTING THE OUTPUT OF A UNDIRECTIONAL POTENTIAL SOURCE HAVING A POSITIVE AND A NEGATIVE TERMINAL TO AN A.C. OUTPUT COMPRISING A SERIES ARRANGEMENT OF FIRST AND SECOND GATE CONTROLLED RECTIFIERS AND A CENTER TAPPED INDUCTANCE DISPOSED THEREBETWEEN CONNECTED ACROSS SAID SOURCE, A FIRST CAPACITANCE CONNECTED ACROSS SAID FIRST GATE CONTROLLED RECTIFIER AND HALF OF SAID INDUCTANCE, A SECOND CAPACITANCE CONNECTED ACROSS SAID SECOND GATE CONTROLLED RECTIFIER AND THE OTHER HALF OF SAID INDUCTANCE, AN AUTOTRANSFORMER HAVING A PRIMARY AND A SECONDARY WINDING COUPLED IN SERIES AND HAVING A FIRST END TERMINAL, A SECOND END TERMINAL, AND A COMMON TERMINAL, MEANS COUPLING SAID FIRST TERMINAL TO THE CENTER TAP OF SAID INDUCTANCE, A FIRST FORWARD POLED DIODE CONNECTED BETWEEN SAID COMMON TERMINAL OF SAID PRIMARY AND SEC-
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |