US3353080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulated power supply having separate regulators responsive to different error signal frequency components
Assignee: WALDEN ELECTRONICS CORP
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Filing: 1964-08-06
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Granted: 1967-11-14
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Expires: 1984-08-06
Abstract
No abstract record available.
Inventors
- 👤 Jr William F Santelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:10
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A REGULATED POWER SUPPLY OF HE TYPE IN WHICH THE POWER FROM A SOURCE THEREOF IS PASSED FIRST THROUGH A RELATIVELY HIGH EFFICIENCY FIRST REGULATOR, THE OUTPUT OF SAID FIRST REGULATOR IS PASSED THROUGH A RELATIVELY LOW EFFICIENCY SECOND REGULATOR, THE OUTPUT OF SAID POWER SUPPLY BEING DERIVED FROM THE OUTPUT OF SAID SECOND REGULATOR, AND INCLUDING MEANS GENERATING AN ERROR SIGNAL WHICH IS A FUNCTION OF THE DIFFERENCE BETWEEN THE OUTPUT OF THE SUPPLY AND A DESIRED OUTPUT, SAID ERRORS SIGNAL COMPRISING A LOW FREQUENCY RANGE INCLUDING FREQUENCY COMPONENTS TO WHICH SAID LOW FREQUENCY REGULATOR RESPONDS AND A HIGH FREQUENCY RANGE INCLUDING FREQUENCY COMPONENTS TO WHICH SAID HIGH FREQUENCY REGULATOR RESPONDS, THE IMPROVEMENT COMPRISING CONTROL MEANS (A) UTILIZING SAID LOW FREQUENCY RANGE OF SAID ERROR SIGNAL TO CONTRLL SAID FIRST REGULATOR, AND (B) UTILIZING SAID HIGH FREQUENCY RANGE OF SAID ERROR SIGNAL TO CONTROL SAID SECOND REGULATOR.
Claim 2
Dependent Claim
149 words
IN A REGULATED POWER SUPPLY OF HE TYPE IN WHICH THE POWER FROM A SOURCE THEREOF IS PASSED FIRST THROUGH A RELATIVELY HIGH EFFICIENCY FIRST REGULATOR, THE OUTPUT OF SAID FIRST REGULATOR IS PASSED THROUGH A RELATIVELY LOW EFFICIENCY SECOND REGULATOR, THE OUTPUT OF SAID POWER SUPPLY BEING DERIVED FROM THE OUTPUT OF SAID SECOND REGULATOR, AND INCLUDING MEANS GENERATING AN ERROR SIGNAL WHICH IS A FUNCTION OF THE DIFFERENCE BETWEEN THE OUTPUT OF THE SUPPLY AND A DESIRED OUTPUT, SAID ERRORS SIGNAL COMPRISING A LOW FREQUENCY RANGE INCLUDING FREQUENCY COMPONENTS TO WHICH SAID LOW FREQUENCY REGULATOR RESPONDS AND A HIGH FREQUENCY RANGE INCLUDING FREQUENCY COMPONENTS TO WHICH SAID HIGH FREQUENCY REGULATOR RESPONDS, THE IMPROVEMENT COMPRISING CONTROL MEANS (A) UTILIZING SAID LOW FREQUENCY RANGE OF SAID ERROR SIGNAL TO CONTRLL SAID FIRST REGULATOR, AND (B) UTILIZING SAID HIGH FREQUENCY RANGE OF SAID ERROR SIGNAL TO CONTROL SAID SECOND REGULATOR.
References Cited (Backward Citations)
US3199015A
Cited
US3213351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |