US3281652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power regulating circuit
Assignee: Superior Electric Co
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Filing: 1962-07-24
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Granted: 1966-10-25
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Expires: 1982-07-24
Abstract
No abstract record available.
Inventors
- 👤 Allen R Perrins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:52
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/14; G05F1/16; G05F1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
253 words
A POWER CIRCUIT FOR PROVIDING AN A.C. VOLTAGE COMPRISING INPUT TERMINALS CONNECTIBLE TO A SOURCE OF A.C. VOLTAGE HAVING A DETERMINED FREQUENCY; OUTPUT TERMINALS; A DECREASED VOLTAGE CIRCUIT COUPLED BETWEEN THE INPUT AND OUTPUT TERMINALS, AND NORMALLY BEING NONCONDUCTIVE THEREBETWEEN BUT UPON ENERGIZATION BEING RENDERED CONDUCTIVE TO PROVIDE A FIRST VOLTAGE AT THE OUTPUT TERMINALS AND INCLUDING A SEMICONDUCTOR ELEMENT NORMALLY BEING NONCONDUCTIVE TO CURRENT FLOW THERETHROUGH BUT BEING CONDUCTIVE TO CURRENT FLOW IN ONE DIRECTION WHEN ENERGIZED; AN INCREASED VOLTAGE CIRCUIT COUPLED BETWEEN THE INPUT AND OUTPUT TERMINALS AND NORMALLY BEING NONCONDUCTIVE THEREBETWEEN BUT UPON ENERGIZATION BEING RENDERED CONDUCTIVE TO PROVIDE A HIGHER VOLTAGE AT THE OUTPUT TERMINALS THAN THE FIRST VOLTAGE AND INCLUDING A SEMICONDUCTOR ELEMENT NORMALLY BEING NONCONDUCTIVE TO CURRENT FLOW THERETHROUGH BUT BEING CONDUCTIVE TO CURRENT FLOW IN ONE DIRECTION WHEN ENERGIZED; MEANS FOR ENERGIZING THE DECREASED VOLTAGE CIRCUIT AT SUBSTANTIALLY THE BEGINNING OF EACH HALF CYCLE OF A.C. VOLTAGE; MEANS INTER CONNECTING THE DECREASED AND INCREASED VOLTAGE CIRCUITS FOR RENDERING THE DECREASED VOLTAGE CIRCUIT NONCONDUCTIVE UPON CONDUCTION OF THE INCREASED VOLTAGE CIRCUITS AND CONDUCTIVE UPON NONCONDUCTIVE OF THE INCREASED VOLTAGE CIRCUIT; MEANS FOR ENERGIZING AND DEENERGIZING THE INCREASE VOLTAGE CIRCUIT TO BE CONDUCTIVE AND NONCONDUCTIVE AT A FREQUENCY MORE THAN TWICE THE A.C. VOLTAGE FREQUENCY; AND MEANS FOR CONTROLLING THE RATIO OF CONDUCTION INTERVAL TO NONCONDUCTION INTERVAL OF THE INCREASED VOLTAGE CIRCUIT TO THEREBY PROVIDE AN OUTPUT VOLTAGE OF THE A.C. VOLTAGE FREQUENCY WHICH IS THE RESULTING SUM OF THE CONDUCTION OF THE INCREASED AND DECREASED VOLTAGE CIRCUITS.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |