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US3193701A Expired / Lapsed US ⏱️ 0.0 years remaining

Monostable flip-flop consuming current only during pulse forming

Assignee: RTX Corp
•
Filing: 1962-01-25
•
Granted: 1965-07-06
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Expires: 1982-01-25
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Abstract

No abstract record available.

Inventors

  • 👤 Davie B Lawhon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 03:20
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 219 words
A ONE SHOT MULTIVIBRATOR COMPRISING A PAIR OF SWITCHING TRANSISTORS OF LIKE CONDUCTIVELY TYPE EACH HAVING A PAIR OF PRIMARY CURRENT CONDUCTING ELECTRODES AND A CONTROL ELECTRODE, SAID TRANSISTORS HAVING THEIR PRIMARY CURRENT CONDUCTING ELECTRODES CONNECTED IN PARALLEL AND THEIR CONTROL ELECTRODES CONNECTED FOR SEPARATE ENERGIZATION, SAID PAIR OF TRANSISTORS BEING NORMALLY BIASED FOR NONCONDUCTING CONDITION BETWEEN THEIR CURRENT CONDUCTING ELECTRODES, A THIRD SWITCHING TRANSISTOR OF OPPOSITE CONDUCTIVELY TYPE AND HAVING A PAIR OF CURRENT CONDUCTING ELECTRODES AND A CONTROL ELECTRODE, SAID THIRD SWITCHING TRANSISTOR BEING NORMALLY BIASED INTO NONCONDUCTING CONDITION BETWEEN ITS CURRENT CONDUCTING ELECTRODES, MEANS RESPONSIVE TO CONDUCTION BY EITHER ONE OF THE TRANSISTORS OF THE PAIR OF RENDERING SAID THIRD TRANSISTOR CONDUCTING AND MEANS INCLUDING A CAPACITOR INTERCONNECTING SAID CONTROL ELECTRODE OF SAID THIRD SWITCHING TRANSISTOR WITH ONE OF THE PRIMARY CURRENT CONDUCTING ELECTRODES OF THE PAIR OF SWITCHING TRANSISTORS, MEANS FOR ENERGIZING SAID CONTROL ELECTRODE OF ONE OF THE PAIR OF TRANSISTORS BY AN INCOMING PULSES TO RENDER THAT SWITCHING TRANSISTOR CONDUCTING, AND FEEDBACK MEANS INTERCONNECTING SAID THIRD TRANSISTOR WITH THE OTHER TRANSISTOR OF THE PAIR FOR ENERGIZING THE OTHER OF SAID PAIR OF SWITCHING RESISTORS INTO CONDUCTING CONDITION RESPONSIVELY TO THE THIRD SWITCHING TRANSISTOR BEING RENDERED CONDUCTIVE WHEREBY ALL OF SAID TRANSISTORS ARE NORMALLY NONCONDUCTING AND ARE RENDERED CONDUCTING RESPONSIVELY TO AN INCOMING PULSE.
Claim 2
Dependent Claim 219 words
A ONE SHOT MULTIVIBRATOR COMPRISING A PAIR OF SWITCHING TRANSISTORS OF LIKE CONDUCTIVELY TYPE EACH HAVING A PAIR OF PRIMARY CURRENT CONDUCTING ELECTRODES AND A CONTROL ELECTRODE, SAID TRANSISTORS HAVING THEIR PRIMARY CURRENT CONDUCTING ELECTRODES CONNECTED IN PARALLEL AND THEIR CONTROL ELECTRODES CONNECTED FOR SEPARATE ENERGIZATION, SAID PAIR OF TRANSISTORS BEING NORMALLY BIASED FOR NONCONDUCTING CONDITION BETWEEN THEIR CURRENT CONDUCTING ELECTRODES, A THIRD SWITCHING TRANSISTOR OF OPPOSITE CONDUCTIVELY TYPE AND HAVING A PAIR OF CURRENT CONDUCTING ELECTRODES AND A CONTROL ELECTRODE, SAID THIRD SWITCHING TRANSISTOR BEING NORMALLY BIASED INTO NONCONDUCTING CONDITION BETWEEN ITS CURRENT CONDUCTING ELECTRODES, MEANS RESPONSIVE TO CONDUCTION BY EITHER ONE OF THE TRANSISTORS OF THE PAIR OF RENDERING SAID THIRD TRANSISTOR CONDUCTING AND MEANS INCLUDING A CAPACITOR INTERCONNECTING SAID CONTROL ELECTRODE OF SAID THIRD SWITCHING TRANSISTOR WITH ONE OF THE PRIMARY CURRENT CONDUCTING ELECTRODES OF THE PAIR OF SWITCHING TRANSISTORS, MEANS FOR ENERGIZING SAID CONTROL ELECTRODE OF ONE OF THE PAIR OF TRANSISTORS BY AN INCOMING PULSES TO RENDER THAT SWITCHING TRANSISTOR CONDUCTING, AND FEEDBACK MEANS INTERCONNECTING SAID THIRD TRANSISTOR WITH THE OTHER TRANSISTOR OF THE PAIR FOR ENERGIZING THE OTHER OF SAID PAIR OF SWITCHING RESISTORS INTO CONDUCTING CONDITION RESPONSIVELY TO THE THIRD SWITCHING TRANSISTOR BEING RENDERED CONDUCTIVE WHEREBY ALL OF SAID TRANSISTORS ARE NORMALLY NONCONDUCTING AND ARE RENDERED CONDUCTING RESPONSIVELY TO AN INCOMING PULSE.

References Cited (Backward Citations)

US3113217A Cited
US2837663A Cited
US2937291A Cited
US3121802A Cited
US3167757A Cited
US3040189A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-05 1969-01-04 1969-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-05 1973-01-04 1973-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-05 1977-01-04 1977-07-06 $7700.00 Window Closed / Lapsed

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