← Back to Patent Explorer
US3307042A Expired / Lapsed US ⏱️ 0.0 years remaining

Switching device

Assignee: Aeromarine Electronics Inc
•
Filing: 1962-04-30
•
Granted: 1967-02-28
•
Expires: 1982-04-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Harry F Fogleman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:07
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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag