Patent US3230382A successfully refreshed from Google Patents.
US3230382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
D.c.-a.c.-d.c. voltage converter
Assignee: Unisys Corp
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Filing: 1961-12-22
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Granted: 1966-01-18
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robert C Burns
- 👤 Earl D Crawfis
- 👤 Hecht Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:52
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A VOLTAGE SUPPLY COMPRISING A PAIR OF LINE TERMINALS, A PAIR OF DIRECT CURRENT LOAD TERMINALS, AN INVERTER ENERGIZED FROM SAID LINE TERMINALS, AN OVER-DRIVEN AMPLIFIER COUPLED TO RECEIVE A PORTION OF THE OUTPUTS OF SAID INVERTER, SAID AMPLIFIER FURTHER CHARACTERIZED IN THAT IT IS DRIVEN TO SATURATION BY THE NORMAL OUTPUT OF SAID INVERTER, A BRIDGE RECTIFIER CONTAINING A PAIR OF INPUT TERMINALS AND A PAIR OF OUTPUT TERMINALS, COUPLING MEANS INTERCONNECTING THE OUTPUTS OF SAID AMPLIFIER AND THE INPUT TERMINALS OF SAID BRIGDE RECTIFIER, CONDUCTING MEANS CONNECTING THE FIRST OF SAID PAIR OF LINE TERMINALS TO THE FIRST OF SAID PAIR OF BRIDGE OUTPUT TERMINALS, CONDUCTING MEANS CONNECTING THE SECOND OF SAID PAIR OF BRIDGE OUTPUT TERMINALS TO THE FIRST OF SAID PAIR OF DIRECT CURRENT LOAD TERMINALS, CONDUCTING MEANS INTERCONNECTING THE SECOND OF SAID LINE TERMINALS AND THE SECOND OF SAID DIRECT CURRENT LOAD TERMINALS, AND A PAIR OF ALTERNATING CURRENT LOAD TERMINALS CONNECTED TO RECEIVE A PORTION OF THE OUTPUT OF SAID INVERTER.
Claim 2
Dependent Claim
167 words
A VOLTAGE SUPPLY COMPRISING A PAIR OF LINE TERMINALS, A PAIR OF DIRECT CURRENT LOAD TERMINALS, AN INVERTER ENERGIZED FROM SAID LINE TERMINALS, AN OVER-DRIVEN AMPLIFIER COUPLED TO RECEIVE A PORTION OF THE OUTPUTS OF SAID INVERTER, SAID AMPLIFIER FURTHER CHARACTERIZED IN THAT IT IS DRIVEN TO SATURATION BY THE NORMAL OUTPUT OF SAID INVERTER, A BRIDGE RECTIFIER CONTAINING A PAIR OF INPUT TERMINALS AND A PAIR OF OUTPUT TERMINALS, COUPLING MEANS INTERCONNECTING THE OUTPUTS OF SAID AMPLIFIER AND THE INPUT TERMINALS OF SAID BRIGDE RECTIFIER, CONDUCTING MEANS CONNECTING THE FIRST OF SAID PAIR OF LINE TERMINALS TO THE FIRST OF SAID PAIR OF BRIDGE OUTPUT TERMINALS, CONDUCTING MEANS CONNECTING THE SECOND OF SAID PAIR OF BRIDGE OUTPUT TERMINALS TO THE FIRST OF SAID PAIR OF DIRECT CURRENT LOAD TERMINALS, CONDUCTING MEANS INTERCONNECTING THE SECOND OF SAID LINE TERMINALS AND THE SECOND OF SAID DIRECT CURRENT LOAD TERMINALS, AND A PAIR OF ALTERNATING CURRENT LOAD TERMINALS CONNECTED TO RECEIVE A PORTION OF THE OUTPUT OF SAID INVERTER.
References Cited (Backward Citations)
US2330500A
Cited
US3064177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |