Patent DE1191980B successfully refreshed from Google Patents.
US3348128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase controlled alternating current power circuits using bidirectional conducting devices
Assignee: General Electric Co
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Filing: 1964-06-26
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Granted: 1967-10-17
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Storm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN ALTERNATING CURRENT POWER CIRCUIT INCLUDIN IN COMBINATION A SUPPLY TRANSFORMER HAVING AN UNDESIRED DIRECT CURRENT COMPONENT FLOWING IN THE SECONDARY WINDING THEREOF DURING ONE PHASE OF AN ALTERNATING CURRENT SUPPLY POTENTIAL APPLIED TO THE SUPPLY TRANSFORMER, CURRENT SENSING MEANS COMPRISING A CURRENT TRANSFORMER OPERATIVELY COUPLED TO THE SUPPLY TRANSFORMER FOR SENSING THE UNDESIRED DIRECT CURRENT COMPONENT AND DERIVING AN OUTPUT CONTROL SIGNAL WHICH HAS A POLARITY, MAGNITUDE, AND PHASE DEPENDENT UPON THE POLARITY, MAGNITUDE, AND PHASE OF THE UNDESIRED DIRECT CURRENT COMPONENT FLOWING IN THE SECONDARY WINDING OF THE SUPPLY TRANSFORMER, A CONDUCTIVITY CONTROLLED SOLID STATE BIDIRECTIONAL CONDUCTING DE-
Claim 2
Dependent Claim
100 words
AN ALTERNATING CURRENT POWER CIRCUIT INCLUDIN IN COMBINATION A SUPPLY TRANSFORMER HAVING AN UNDESIRED DIRECT CURRENT COMPONENT FLOWING IN THE SECONDARY WINDING THEREOF DURING ONE PHASE OF AN ALTERNATING CURRENT SUPPLY POTENTIAL APPLIED TO THE SUPPLY TRANSFORMER, CURRENT SENSING MEANS COMPRISING A CURRENT TRANSFORMER OPERATIVELY COUPLED TO THE SUPPLY TRANSFORMER FOR SENSING THE UNDESIRED DIRECT CURRENT COMPONENT AND DERIVING AN OUTPUT CONTROL SIGNAL WHICH HAS A POLARITY, MAGNITUDE, AND PHASE DEPENDENT UPON THE POLARITY, MAGNITUDE, AND PHASE OF THE UNDESIRED DIRECT CURRENT COMPONENT FLOWING IN THE SECONDARY WINDING OF THE SUPPLY TRANSFORMER, A CONDUCTIVITY CONTROLLED SOLID STATE BIDIRECTIONAL CONDUCTING DE-
References Cited (Backward Citations)
US3242416A
Cited
US3159766A
Cited
US3188487A
Cited
US3210641A
Cited
US3188490A
Cited
US3263092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |