Patent US3307042A successfully refreshed from Google Patents.
US3307042A
Expired / Lapsed
US
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Switching device
Assignee: Aeromarine Electronics Inc
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Filing: 1962-04-30
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Granted: 1967-02-28
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Harry F Fogleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:24
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/725; H03K17/722; H03K17/723
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN ELECTRICAL CIRCUIT FOR CONTROLLING THE INTERCONNECTION OF AN ELECTRICAL LOAD WITH AN ELECTRICAL POWER SOURCE, SAID CIRCUIT INCLUDING: A PAIR OF SILICON CONTROLLED RECTIFIERS, EACH OF SAID RECTIFIERS HAVING AN ANODE, A CATHODE AND A GATE, SAID GATE HAVING A FORWARD VOLTAGE BELOW WHICH A GATE CURRENT WILL NOT FLOW AND ABOVE WHICH A GATE CURRENT WILL FLOW, SAID GATE CURRENT WHEN IN EXCESS OF A PREDETERMINED AMOUNT BEING EFFECTIVE TO FORWARD BIAS THE RECTIFIER INTO CONDUCTION WITH A CURRENT FLOWING FROM SAID ANODE TO SAID CATHODE, SAID RECTIFIERS WHEN CONDUCTIVE HAVING A VOLTAGE BETWEEN THE ANODE AND CATHODE THAT IS LESS THAN SAID FORWARD VOLTAGE, MEANS CONNECTING THE ANODE AND CATHODE OF THE FIRST RECTIFIER IN SERIES WITH SAID LOAD AND POWER SOURCE SUCH THAT CURRENT FLOWING THROUGH THE LOAD IN A FIRST DIRECTION WILL FLOW FROM THE ANODE TO THE CATHODE OF THE FIRST RECTIFIER,
Claim 2
Dependent Claim
148 words
AN ELECTRICAL CIRCUIT FOR CONTROLLING THE INTERCONNECTION OF AN ELECTRICAL LOAD WITH AN ELECTRICAL POWER SOURCE, SAID CIRCUIT INCLUDING: A PAIR OF SILICON CONTROLLED RECTIFIERS, EACH OF SAID RECTIFIERS HAVING AN ANODE, A CATHODE AND A GATE, SAID GATE HAVING A FORWARD VOLTAGE BELOW WHICH A GATE CURRENT WILL NOT FLOW AND ABOVE WHICH A GATE CURRENT WILL FLOW, SAID GATE CURRENT WHEN IN EXCESS OF A PREDETERMINED AMOUNT BEING EFFECTIVE TO FORWARD BIAS THE RECTIFIER INTO CONDUCTION WITH A CURRENT FLOWING FROM SAID ANODE TO SAID CATHODE, SAID RECTIFIERS WHEN CONDUCTIVE HAVING A VOLTAGE BETWEEN THE ANODE AND CATHODE THAT IS LESS THAN SAID FORWARD VOLTAGE, MEANS CONNECTING THE ANODE AND CATHODE OF THE FIRST RECTIFIER IN SERIES WITH SAID LOAD AND POWER SOURCE SUCH THAT CURRENT FLOWING THROUGH THE LOAD IN A FIRST DIRECTION WILL FLOW FROM THE ANODE TO THE CATHODE OF THE FIRST RECTIFIER,
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |