Patent US3379960A successfully refreshed from Google Patents.
US3379960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic voltage regulator with buck-boost transformers
Assignee: Superior Electric Co
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Filing: 1966-01-19
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Granted: 1968-04-23
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Expires: 1986-01-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph C May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/33; G05F1/335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN AUTOMATIC VOLTAGE REGULATOR COMPRISING INPUT TERMINALS CONNECTIBLE TO A SOURCE OF A.C.; OUTPUT TERMINALS AT WHICH A DESIRED VALUE OF OUTPUT VOLTAGE IS MAINTAINED SUBSTANTIALLY CONSTANT A DIGITAL UNIT FOR SUPPLYING A CORRECTIVE VOLTAGE OF A SET VALUE AND HAVING AT LEAST A FIRST CONDITION WHEREIN ITS CORRECTIVE VOLTAGE IS ADDITIVE AND A SECOND CONDITION WHEREIN ITS CORRECTIVE VOLTAGE IS SUBTRACTIVE; AN ANALOG UNIT FOR PROVIDING AN ADJUSTABLE VALUE OF CORRECTIVE VOLTAGE; MEANS SERIALLY INTERCONNECTING THE TWO UNITS BETWEEN THE INPUT AND OUTPUT TERMINALS; MEANS FOR PROVIDING A DEVIATION SIGNAL RELATED TO THE DEVIATION OF THE OUTPUT VOLTAGE FROM A DESIRED VALUE; SWITCH MEANS CONNECTED TO SAID DIGITAL UNIT AND RESPONSIVE TO A SIGNAL FOR CAUSING SAID UNIT TO CHANGE FROM ONE OF ITS CONDITIONS TO THE OTHER; ADJUSTING MEANS CONNECTED TO THE ANALOG UNIT AND CONNECTED TO
Claim 2
Dependent Claim
139 words
AN AUTOMATIC VOLTAGE REGULATOR COMPRISING INPUT TERMINALS CONNECTIBLE TO A SOURCE OF A.C.; OUTPUT TERMINALS AT WHICH A DESIRED VALUE OF OUTPUT VOLTAGE IS MAINTAINED SUBSTANTIALLY CONSTANT A DIGITAL UNIT FOR SUPPLYING A CORRECTIVE VOLTAGE OF A SET VALUE AND HAVING AT LEAST A FIRST CONDITION WHEREIN ITS CORRECTIVE VOLTAGE IS ADDITIVE AND A SECOND CONDITION WHEREIN ITS CORRECTIVE VOLTAGE IS SUBTRACTIVE; AN ANALOG UNIT FOR PROVIDING AN ADJUSTABLE VALUE OF CORRECTIVE VOLTAGE; MEANS SERIALLY INTERCONNECTING THE TWO UNITS BETWEEN THE INPUT AND OUTPUT TERMINALS; MEANS FOR PROVIDING A DEVIATION SIGNAL RELATED TO THE DEVIATION OF THE OUTPUT VOLTAGE FROM A DESIRED VALUE; SWITCH MEANS CONNECTED TO SAID DIGITAL UNIT AND RESPONSIVE TO A SIGNAL FOR CAUSING SAID UNIT TO CHANGE FROM ONE OF ITS CONDITIONS TO THE OTHER; ADJUSTING MEANS CONNECTED TO THE ANALOG UNIT AND CONNECTED TO
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) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |