Patent US3559030A successfully refreshed from Google Patents.
US3559030A
Expired / Lapsed
US
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Pulse width modulated solid state regulated power supply
Assignee: RCA Corp
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Filing: 1968-11-27
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Granted: 1971-01-26
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Expires: 1988-11-27
Abstract
Abstract A REGULATED POWER SUPPLY IN WHICH THE PULSE WIDTH OF THE CURRENT SUPPLIED TO ONE OR MORE OUTPUT MEANS IS MODULATED IN WIDTH IN ACCORDANCE WITH THE DESIRED OUTPUT VOLTAGE. BY PROVIDING ONE OR MORE OUTPUT MEANS, AND CONNECTING THEM IN SERIES OR PARALLEL OR SERIES PARALLEL, VARIOUS LOADS MAY BE SUPPLIED BY FUNDAMENTALLY THE SAME POWER SUPPLY.
Inventors
- 👤 Donald C Bussard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:53
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/337; H02M3/3376; H02M3/3378
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |