US3344335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit to limit delay in switching an inverter
Assignee: General Electric Co
•
Filing: 1964-12-14
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Granted: 1967-09-26
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 Loren H Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:16
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
AN IMPROVED INVERTER COMPRISING A MASTER MULTIVIBRATOR HAVING AN OUTPUT TRANSFORMER AND FIRST AND SECOND CURRENT CONTROL DEVICES EACH HAVING MAIN PATH ELECTRODES AND A CONTROL ELECTRODE; MEANS COUPLING SAID CURRENT CONTROL DEVICES AND SAID OUTPUT TRANSFORMER TOGETHER TO PRODUCE A SQUARE WAVE THAT SWITCHES BETWEEN LEVELS AT A PREDETERMINED RATE; A SLAVE MULTIVIBRATOR HAVING AN OUTPUT TRANSFORMER AND FIRST AND SECOND CURRENT CONTROL DEVICES EACH HAVING MAIN PATH ELECTRODES AND A CONTROL ELECTRODE; MEANS COUPLING SAID FIRST AND SECOND SLAVE CURRENT CONTROL DEVICES AND SAID SLAVE OUTPUT TRANSFORMER TOGETHER TO PRODUCE A SQUARE WAVE THAT SWITCHES BETWEEN PREDETERMINED LEVELS WHEN SAID SLAVE MULTIVIBRATOR IS SWITCHED; A MAGNETIC COUPLING CIRCUIT COUPLED TO SAID MASTER OUTPUT TRANSFORMER AND TO SAID CONTROL ELECTRODES OF SAID FIRST AND SECOND SLAVE CURRENT CONTROL DEVICES SO
References Cited (Backward Citations)
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Cited
US3031629A
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |