US3564384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High efficiency power supply apparatus
Assignee: RO ASSOCIATES Inc
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Filing: 1969-01-02
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Granted: 1971-02-16
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Expires: 1989-01-02
Abstract
Abstract A HIGH EFFICIENCY POWER SUPPLY APPARATUS WHEREIN THE DUTY CYCLE OF THE POWER INVERTER IS VERIED IN ACCORDANCE WITH THE ACTUAL LOAD CONDITIONS OF THE OUTPUT CIRCUIT. A MAGNETIC AMPLIFIER, WHICH IS RESPONSIVE TO AN OVERVOLTAGE SENSE DETECTOR, AN OVERCURRENT SENSE DETECTOR AND A LOAD VOLTAGE SENSE DETECTOR, IS USED TO CONTROL THE DUTY CYCLE OF THE POWER INVERTER BY ALTERING THE WAVEFORM OF THE OSCILLATOR WHICH IS USED TO DRIVE THE POWER INVERTER.
Inventors
- 👤 Alan J Adler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:08
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/538; H02M7/53803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |