Patent US3154692A successfully refreshed from Google Patents.
Patent US3373337A successfully refreshed from Google Patents.
US3373337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Input regulated power supplies
Assignee: Forbro Design Corp
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Filing: 1965-06-16
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Granted: 1968-03-12
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Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Hung Han-Min
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:56
CPC Classifications
H; H02; H02H; H02H5/00; H02H5/04; H02H5/042; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445; H02H7/00; H02H7/10; H02H7/12; H02H9/00; H02H9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A REGULATED POWER SUPPLY, THE COMBINATION OF, A POWER TRANSFORMER INCLUDING PRIMARY AND SECONDARY WINDINGS, RECTIFIER AND FILTER MEANS FOR PRODUCING A DIRECT CURRENT CONNECTED TO SAID SECONDARY, A PAIR OF BACK-TOBACK CONNECTED SILICON CONTROLLED RECTIFIERS CONNECTED IN SERIES WITH SAID PRIMARY FOR CONTROLLING ALTERNATING CURRENT FLOW FROM AN ALTERNATING CURRENT SOURCE TO SAID PRIMARY, A SATURABLE REACTOR PULSE GENERATOR INCLUDING TWO SATURABLE REACTORS COUPLED TO SAID SILICON CONTROLLED RECTIFIERS, PULSE REPSONSIVE MEANS COUPLING SAID SATURABLE REACTORS POLLED TO RESET ONE OF SAID REACTORS IN RESPONSE TO A PULSE IN THE OTHER, PHASE SHIFT MEANS CONNECTED TO RE-
Claim 2
Dependent Claim
99 words
IN A REGULATED POWER SUPPLY, THE COMBINATION OF, A POWER TRANSFORMER INCLUDING PRIMARY AND SECONDARY WINDINGS, RECTIFIER AND FILTER MEANS FOR PRODUCING A DIRECT CURRENT CONNECTED TO SAID SECONDARY, A PAIR OF BACK-TOBACK CONNECTED SILICON CONTROLLED RECTIFIERS CONNECTED IN SERIES WITH SAID PRIMARY FOR CONTROLLING ALTERNATING CURRENT FLOW FROM AN ALTERNATING CURRENT SOURCE TO SAID PRIMARY, A SATURABLE REACTOR PULSE GENERATOR INCLUDING TWO SATURABLE REACTORS COUPLED TO SAID SILICON CONTROLLED RECTIFIERS, PULSE REPSONSIVE MEANS COUPLING SAID SATURABLE REACTORS POLLED TO RESET ONE OF SAID REACTORS IN RESPONSE TO A PULSE IN THE OTHER, PHASE SHIFT MEANS CONNECTED TO RE-
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |