Patent US3246229A successfully refreshed from Google Patents.
US3246229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply system using a choke input filter and having improved regulation
Assignee: McGraw Edison Co
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Filing: 1962-02-12
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Granted: 1966-04-12
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Allan G Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:55
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A UNIDIRECTIONAL POWER SUPPLY SYSTEM COMPRISING MEANS ADAPTED TO BE ENERGIZED FROM AN ALTERNATING CURRENT SOURCE TO DERIVE THEREFROM UNIDIRECTIONAL ENERGY HAVING A UNIDIRECTIONAL VOLTAGE OF FULL-WAVE RECTIFICATION WAVEFROM, A FILTER NETWORK ENERGIZED BY SAID MEANS AND INCLUDING AN INPUT SERIES INDUCTOR HAVING A PRESELECTED RELATIVELY CONSTANT VALUE OF INDUCTANCE NORMALLY EFFECTIVE FOR LOAD CURRENT IN EXCESS OF A PRESELECTED MINIMUM VALUE TO MAINTAIN A CONTINUOUS INSTANTANEOUS SUPPLY OF UNIDIRECTIONAL LOAD CURRENT TO A FILTER-NETWORK OUTPUT LOAD CIRCUIT INCLUDING THE SUPPLY TO CHARGING CURRENT TO A FIBER CONDENSER CONNECTED IN SHUNT TO SAID OUTPUT CIRCUIT, CONDUCTANCE CONTROL MEANS EFFECTIVELY COUPLING SAID INDUCTOR AND CONDENSER IN SERIES RELATION TO ABSTRACT
Claim 2
Dependent Claim
109 words
A UNIDIRECTIONAL POWER SUPPLY SYSTEM COMPRISING MEANS ADAPTED TO BE ENERGIZED FROM AN ALTERNATING CURRENT SOURCE TO DERIVE THEREFROM UNIDIRECTIONAL ENERGY HAVING A UNIDIRECTIONAL VOLTAGE OF FULL-WAVE RECTIFICATION WAVEFROM, A FILTER NETWORK ENERGIZED BY SAID MEANS AND INCLUDING AN INPUT SERIES INDUCTOR HAVING A PRESELECTED RELATIVELY CONSTANT VALUE OF INDUCTANCE NORMALLY EFFECTIVE FOR LOAD CURRENT IN EXCESS OF A PRESELECTED MINIMUM VALUE TO MAINTAIN A CONTINUOUS INSTANTANEOUS SUPPLY OF UNIDIRECTIONAL LOAD CURRENT TO A FILTER-NETWORK OUTPUT LOAD CIRCUIT INCLUDING THE SUPPLY TO CHARGING CURRENT TO A FIBER CONDENSER CONNECTED IN SHUNT TO SAID OUTPUT CIRCUIT, CONDUCTANCE CONTROL MEANS EFFECTIVELY COUPLING SAID INDUCTOR AND CONDENSER IN SERIES RELATION TO ABSTRACT
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |