US3350621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Independently controlled rectifier bridge converter
Assignee: General Electric Co
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Filing: 1964-03-25
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Granted: 1967-10-31
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Expires: 1984-03-25
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:41
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/27; H02M5/271
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A SYSTEM FOR CONVERTING A FIRST FREQUENCY OF MULTIPHASE ALTERNATING CURRENT SUPPLIED ON INPUT LINES FROM A SOURCE HAVING A NEUTRAL TO A SECOND FREQUENCY FO ALTERNATING CURRENT ON OUTPUT LINES COMPRISING A PLURALITY OF CONTROLLED RECTIFIERS EACH HAVING AN ANODE, A CATHODE, AND A CONTROL ELECTRODE, SAID CONTROLLED RECTIFIERS PERMITTING CURRENT TO FLOW FROM SAID ANODE TO SAID CATHODE IN RESPONSE TO A CONTROL SIGNAL APPLIED TO SAID CONTROL ELECTRODE, MEANS COUPLING SAID CONTROLLED RECTIFIERS BETWEEN SAID INPUT LINES AND SAID OUTPUT LINES TO PROVIDE ANODE TO CATHODE CURRENT PATHS IN OPPOSITE DIRECTIONS BETWEEN EACH OF SAID INPUT LINES AND EACH OF SAID OUTPUT LINES, MEANS RESPECTIVELY COUPLING A REACTIVE CIRCUIT BETWEEN EACH OF SAID OUTPUT LINES AND SAID NEUTRAL, EACH REACTIVE CIRCUIT
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |