Patent US3253208A successfully refreshed from Google Patents.
US3253208A
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Static inverter with overload protection and utilizing pulse width modulation for voltage regulation
Assignee: General Electric Co
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Filing: 1961-08-22
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Granted: 1966-05-24
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Harold H Britten
- 👤 Lawrence R Peaslec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:22
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/538; H02M7/53803; H02M7/53806; H02H; H02H7/00; H02H7/10; H02H7/12; H02H7/122; H02H7/1227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
AN INVERTER CIRCUIT FOR CONVERTING POWER FROM A DIRECT VOLTAGE SOURCE OF AN ALTERNATING VOLTAGE COMPRISING IN COMBINATION, OUTPUT SWITCHING MEANS OPERATIVE IN RESPONSE TO SWITCHING SIGNALS TO PRODUCE ALTERNATING CURRENT IN A LOAD BY ALTERNATELY CONNECTING OPPOSITE TERMINALS OF SAID DIRECT VOLTAGE SOURCE THERETO, MAGNETIC AMPLIFIER MEANS RESPONSIVE TO CONTROL SIGNALS TO PRODUCE DURATION-MODULATED SWITCHING SIGNALS FOR APPLICATION TO SAID OUTPUT SWITCHING MEANS, FREQUENCY CONTROLLED MEANS FOR PRODUCING SAID CONTROL SIGNALS, COUPLING MEANS SELECTIVELY CONNECTING SAID OUTPUT SWITCHING MEANS AND SAID FREQUENCY CONTROLLED MEANS AND RESPONSIVE DURING PRES-
Claim 2
Dependent Claim
89 words
AN INVERTER CIRCUIT FOR CONVERTING POWER FROM A DIRECT VOLTAGE SOURCE OF AN ALTERNATING VOLTAGE COMPRISING IN COMBINATION, OUTPUT SWITCHING MEANS OPERATIVE IN RESPONSE TO SWITCHING SIGNALS TO PRODUCE ALTERNATING CURRENT IN A LOAD BY ALTERNATELY CONNECTING OPPOSITE TERMINALS OF SAID DIRECT VOLTAGE SOURCE THERETO, MAGNETIC AMPLIFIER MEANS RESPONSIVE TO CONTROL SIGNALS TO PRODUCE DURATION-MODULATED SWITCHING SIGNALS FOR APPLICATION TO SAID OUTPUT SWITCHING MEANS, FREQUENCY CONTROLLED MEANS FOR PRODUCING SAID CONTROL SIGNALS, COUPLING MEANS SELECTIVELY CONNECTING SAID OUTPUT SWITCHING MEANS AND SAID FREQUENCY CONTROLLED MEANS AND RESPONSIVE DURING PRES-
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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |