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US3105160A Expired / Lapsed US ⏱️ 0.0 years remaining

Circuit providing a second parallel path for fast capacitor recharge

Assignee: Raytheon Co
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Filing: 1961-08-29
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Granted: 1963-09-24
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Expires: 1981-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Adler Ernst

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:56
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/335

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 184 words
A SWITCHING DEVICE UTILIZING SEMI-CONDUCTIVE DEVICES OPERATIVE IN THE AVALANCHE MODE AND HAVING A CONDUCTIVE AND A NON-CONDUCTIVE STATE, COMPRISING A FIRST SEMI-CONDUCTIVE DEVICE OPERATIVE IN THE AVALANCHE MODE INCLUDING AN EMITTER, A BASE MEANS AND A COLLECTOR, A FIRST CIRCUIT FOR THE CURRENT FLOW OF SAID FIRST SEMI-CONDUCTING DEVICE OPERATIVELY CONNECTED BETWEEN SAID COLLECTOR AND SAID EMITTER AND INCLUDING, IN SERIES, A RESISTOR AND A VOLTAGE SOURCE, MEANS FOR NORMALLY MAINTAINING SAID FIRST SEMI-CONDUCTIVE DEVICE IN ONE OF SAID TWO STATES, INPUT MEANS OPERATIVE UPON APPLICATION OF A PREDETERMINED SIGNAL TO SWITCH SAID FIRST SEMI-CONDUCTIVE MEANS FROM SAID ONE TO THE OTHER STATE, CAPACITOR MEANS OPERATIVELY CONNECTED IN PARALLEL WITH SAID FIRST SEMICONDUCTIVE DEVICE AND HAVING A FIRST CHARGING CIRCUIT INCLUDING SAID RESISTOR, AND MEANS INCLUDING A SECOND SEMICONDUCTIVE DEVICE EFFECTIVELY FORMING A SECOND CHARGING CIRCUIT IN PARALLEL WITH SAID FIRST CHARGING CIRCUIT FOR CHARGING SAID CAPACITOR MEANS, AND MEANS OPERATIVELY CONNECTING SAID SECOND SEMI-CONDUCTIVE DEVICE WITH SAID FIRST SEMI-CONDUCTIVE DEVICE TO SWITCH SAID SECOND SEMICONDUCTIVE DEVICE FROM ONE OF SAID TWO STATES TO THE OTHER UPON SWITCHING OF SAID FIRST SEMI-CONDUCTIVE DEVICE.
Claim 2
Dependent Claim 184 words
A SWITCHING DEVICE UTILIZING SEMI-CONDUCTIVE DEVICES OPERATIVE IN THE AVALANCHE MODE AND HAVING A CONDUCTIVE AND A NON-CONDUCTIVE STATE, COMPRISING A FIRST SEMI-CONDUCTIVE DEVICE OPERATIVE IN THE AVALANCHE MODE INCLUDING AN EMITTER, A BASE MEANS AND A COLLECTOR, A FIRST CIRCUIT FOR THE CURRENT FLOW OF SAID FIRST SEMI-CONDUCTING DEVICE OPERATIVELY CONNECTED BETWEEN SAID COLLECTOR AND SAID EMITTER AND INCLUDING, IN SERIES, A RESISTOR AND A VOLTAGE SOURCE, MEANS FOR NORMALLY MAINTAINING SAID FIRST SEMI-CONDUCTIVE DEVICE IN ONE OF SAID TWO STATES, INPUT MEANS OPERATIVE UPON APPLICATION OF A PREDETERMINED SIGNAL TO SWITCH SAID FIRST SEMI-CONDUCTIVE MEANS FROM SAID ONE TO THE OTHER STATE, CAPACITOR MEANS OPERATIVELY CONNECTED IN PARALLEL WITH SAID FIRST SEMICONDUCTIVE DEVICE AND HAVING A FIRST CHARGING CIRCUIT INCLUDING SAID RESISTOR, AND MEANS INCLUDING A SECOND SEMICONDUCTIVE DEVICE EFFECTIVELY FORMING A SECOND CHARGING CIRCUIT IN PARALLEL WITH SAID FIRST CHARGING CIRCUIT FOR CHARGING SAID CAPACITOR MEANS, AND MEANS OPERATIVELY CONNECTING SAID SECOND SEMI-CONDUCTIVE DEVICE WITH SAID FIRST SEMI-CONDUCTIVE DEVICE TO SWITCH SAID SECOND SEMICONDUCTIVE DEVICE FROM ONE OF SAID TWO STATES TO THE OTHER UPON SWITCHING OF SAID FIRST SEMI-CONDUCTIVE DEVICE.

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) 1966-09-23 1967-03-25 1967-09-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-23 1971-03-25 1971-09-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-23 1975-03-25 1975-09-24 $7700.00 Window Closed / Lapsed

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