Patent US3274479A successfully refreshed from Google Patents.
US3274479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifying apparatus for producing constant voltage
Assignee: KDDI Corp
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Filing: 1962-10-15
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Granted: 1966-09-20
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Kurimura Toshio
- 👤 Yamamura Kazuomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:18
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/33; G05F1/335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A RECTIFYING APPARATUS FOR DEVELOPING CONSTANT VOLTAGE OUTPUTS COMPRISING: AN ALTERNATING CURRENT SOURCE HAVING TERMINALS, RECTIFYING MEANS COMPRISING SERIES CONNECTED CIRCUITS, EACH SERIES CIRCUIT COMPRISING A SATURABLE REACTOR AND A RECTIFIER CONNECTED IN SERIES, EACH SERIES CIRCUIT CONNECTED AT ONE END THEREOF TO A CORRESPONDING TERMINAL OF SAID ALTERNATING-CURRENT POWER SOURCE SUPPLYING POWER TO BE RECTIFIED AND CONNECTED AT THE OTHER END THEREOF TO A JUNCTION COMMON TO SAID SERIES-CONNECTED CIRCUITS, CONTROL MEANS COMPRISING SERIES-CONNECTED CONTROL CIRCUITS EACH COMPRISING AN AUXILIARY SATURABLE REACTOR AND A DIRECT-CURRENT POWER SOURCE, AND EACH CONTROL CIRCUIT CONNECTED IN PARALLEL WITH ONE OF THE SAID RECTIFIERS OF SAID RECTIFYING MEANS FOR CAUSING THE SATURABLE REACTORS OF THE SAID RECTIFYING MEANS TO ACCOMPLISH CONTROL OF THE SUPPRESSING PHASE OF THE CURRENT TO BE RECTIFIED WITH RESPECT TO THE ALTERNATING-CURRENT VOLTAGE TO BE RECTIFIED.
Claim 2
Dependent Claim
137 words
A RECTIFYING APPARATUS FOR DEVELOPING CONSTANT VOLTAGE OUTPUTS COMPRISING: AN ALTERNATING CURRENT SOURCE HAVING TERMINALS, RECTIFYING MEANS COMPRISING SERIES CONNECTED CIRCUITS, EACH SERIES CIRCUIT COMPRISING A SATURABLE REACTOR AND A RECTIFIER CONNECTED IN SERIES, EACH SERIES CIRCUIT CONNECTED AT ONE END THEREOF TO A CORRESPONDING TERMINAL OF SAID ALTERNATING-CURRENT POWER SOURCE SUPPLYING POWER TO BE RECTIFIED AND CONNECTED AT THE OTHER END THEREOF TO A JUNCTION COMMON TO SAID SERIES-CONNECTED CIRCUITS, CONTROL MEANS COMPRISING SERIES-CONNECTED CONTROL CIRCUITS EACH COMPRISING AN AUXILIARY SATURABLE REACTOR AND A DIRECT-CURRENT POWER SOURCE, AND EACH CONTROL CIRCUIT CONNECTED IN PARALLEL WITH ONE OF THE SAID RECTIFIERS OF SAID RECTIFYING MEANS FOR CAUSING THE SATURABLE REACTORS OF THE SAID RECTIFYING MEANS TO ACCOMPLISH CONTROL OF THE SUPPRESSING PHASE OF THE CURRENT TO BE RECTIFIED WITH RESPECT TO THE ALTERNATING-CURRENT VOLTAGE TO BE RECTIFIED.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |