US3305759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillator
Assignee: General Electric Co
•
Filing: 1962-08-27
•
Granted: 1967-02-21
•
Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Philip D Corey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:30
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53846; H02M7/53862; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3382; H02M3/3385; H02M3/3387; H02M7/53832; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30; Y; Y02; Y02B; Y02B70/00; Y02B70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A CONVERTER, THE COMBINATION WITH A CENTER-TAPPED UNIDIRECTIONAL POTENTIAL SOURCE, OF A SERIES ARRANGEMENT OF A PAIR OF TRANSISTORS, EACH CONNECTED ACROSS ONE HALF OF SAID SOURCE, A TRANSFORMER COMPRISING A PRIMARY WINDING IN CIRCUIT WITH SAID TRANSISTORS AND SAID SOURCE AND A PAIR OF SECONDARY WINDINGS, A SATURABLE DEVICE COMPRISING A PAIR OF GATE WINDINGS, A SERIES ARRANGEMENT OF ONE OF SAID SECONDARY WINDINGS AND ONE OF SAID GATE WINDINGS IN CIRCUIT WITH EACH OF SAID TRANSISTORS, THE SATURATION OF SAID DEVICE IN A GIVEN DIRECTION CAUSING CONDUCTION TO BE SWITCHED FROM ONE TO THE OTHER OF SAID TRANSISTORS, SAID TRANSISTORS SWITCHING A POTENTIAL HAVING A VALUE SUBSTANTIALLY EQUAL ONLY TO THE VALUE OF SAID SOURCE POTENTIAL, AND MEANS FOR OBTAINING AN OUTPUT IN CIRCUIT BETWEEN THE COMMON JUNCTION OF SAID TRANSISTORS AND SAID SOURCE.
Claim 2
Dependent Claim
137 words
IN A CONVERTER, THE COMBINATION WITH A CENTER-TAPPED UNIDIRECTIONAL POTENTIAL SOURCE, OF A SERIES ARRANGEMENT OF A PAIR OF TRANSISTORS, EACH CONNECTED ACROSS ONE HALF OF SAID SOURCE, A TRANSFORMER COMPRISING A PRIMARY WINDING IN CIRCUIT WITH SAID TRANSISTORS AND SAID SOURCE AND A PAIR OF SECONDARY WINDINGS, A SATURABLE DEVICE COMPRISING A PAIR OF GATE WINDINGS, A SERIES ARRANGEMENT OF ONE OF SAID SECONDARY WINDINGS AND ONE OF SAID GATE WINDINGS IN CIRCUIT WITH EACH OF SAID TRANSISTORS, THE SATURATION OF SAID DEVICE IN A GIVEN DIRECTION CAUSING CONDUCTION TO BE SWITCHED FROM ONE TO THE OTHER OF SAID TRANSISTORS, SAID TRANSISTORS SWITCHING A POTENTIAL HAVING A VALUE SUBSTANTIALLY EQUAL ONLY TO THE VALUE OF SAID SOURCE POTENTIAL, AND MEANS FOR OBTAINING AN OUTPUT IN CIRCUIT BETWEEN THE COMMON JUNCTION OF SAID TRANSISTORS AND SAID SOURCE.
References Cited (Backward Citations)
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Cited
US2897433A
Cited
US3047789A
Cited
US3120633A
Cited
US3074031A
Cited
US3175167A
Cited
US3210689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |