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US3244906A Expired / Lapsed US ⏱️ 0.0 years remaining

Transistor monostable multivibrator circuit

Assignee: North American Aviation Corp
•
Filing: 1962-12-04
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Granted: 1966-04-05
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Expires: 1982-12-04
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Abstract

No abstract record available.

Inventors

  • 👤 Ivan G Goering

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 07:28
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 173 words
A MONOSTABLE MULTIVIBRATOR CIRCUIT COMPRISING FIRST AND SECOND TRANSISTORS OF OPPOSITE CONDUCTIVITY TYPES EACH OF SAID TRANSISTORS HAVING A BASE, AN EMITTER AND A COLLECTOR, MEANS PROVIDING DIRECT CURRENT BIASING POTENTIALS FOR THE EMITTERS AND COLLECTORS OF SAID TRANSISTORS, MEANS FOR PROVIDING DIRECT CURRENT BIASING POTENTIAL FOR THE BASE ELECTRODE OF SAID SECOND TRANSISTOR TO RENDER SAID SECOND TRANSISTOR NORMALLY NON-CONDUCTIVE, DIRECT CURRENT CONDUTIVE MEANS COUPLING THE COLLECTOR OF SAID SECOND TRANSISTOR TO THE BASE OF SAID FIRST TRANSISTOR TO RENDER SAID FIRST TRANSISTOR NON-CONDUCTIVE WHILE SAID SECOND TRANSISTOR IS NON-CONDUCTIVE, A TIMING CIRCUIT CONNECTED BETWEEN THE COLLECTOR OF SAID FIRST TRANSISTOR AND THE BASE OF SAID SECOND TRANSISTOR, SAID TIMING CIRCUIT INCLUDING AN ELECTRICAL ENERGY STORAGE ELEMENT IN SERIES WITH AN IMPEDANCE ELEMENT, MEANS CONNECTED TO THE BASE ELECTRODE OF ONE OF SAID TRANSISTORS FOR APPLYING A TRIGGER PULSE THERETO TO RENDER SAID TRANSISTORS CONDUCTIVE, THEREBY PROVIDING A DISCHARGE PATH FOR ELECTRICAL ENERGY STORAGE ELEMENT THROUGH SAID IMPEDANCE ELEMENT AND SAID FIRST TRANSISTOR AND THROUGH THE BASE-TO-EMITTER JUNCTION OF SAID SECOND TRANSISTOR,
Claim 2
Dependent Claim 173 words
A MONOSTABLE MULTIVIBRATOR CIRCUIT COMPRISING FIRST AND SECOND TRANSISTORS OF OPPOSITE CONDUCTIVITY TYPES EACH OF SAID TRANSISTORS HAVING A BASE, AN EMITTER AND A COLLECTOR, MEANS PROVIDING DIRECT CURRENT BIASING POTENTIALS FOR THE EMITTERS AND COLLECTORS OF SAID TRANSISTORS, MEANS FOR PROVIDING DIRECT CURRENT BIASING POTENTIAL FOR THE BASE ELECTRODE OF SAID SECOND TRANSISTOR TO RENDER SAID SECOND TRANSISTOR NORMALLY NON-CONDUCTIVE, DIRECT CURRENT CONDUTIVE MEANS COUPLING THE COLLECTOR OF SAID SECOND TRANSISTOR TO THE BASE OF SAID FIRST TRANSISTOR TO RENDER SAID FIRST TRANSISTOR NON-CONDUCTIVE WHILE SAID SECOND TRANSISTOR IS NON-CONDUCTIVE, A TIMING CIRCUIT CONNECTED BETWEEN THE COLLECTOR OF SAID FIRST TRANSISTOR AND THE BASE OF SAID SECOND TRANSISTOR, SAID TIMING CIRCUIT INCLUDING AN ELECTRICAL ENERGY STORAGE ELEMENT IN SERIES WITH AN IMPEDANCE ELEMENT, MEANS CONNECTED TO THE BASE ELECTRODE OF ONE OF SAID TRANSISTORS FOR APPLYING A TRIGGER PULSE THERETO TO RENDER SAID TRANSISTORS CONDUCTIVE, THEREBY PROVIDING A DISCHARGE PATH FOR ELECTRICAL ENERGY STORAGE ELEMENT THROUGH SAID IMPEDANCE ELEMENT AND SAID FIRST TRANSISTOR AND THROUGH THE BASE-TO-EMITTER JUNCTION OF SAID SECOND TRANSISTOR,

References Cited (Backward Citations)

US2770732A Cited
US3033998A Cited
US3065362A Cited
US3107309A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-04 1969-10-04 1970-04-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-04 1973-10-04 1974-04-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-04 1977-10-04 1978-04-05 $7700.00 Window Closed / Lapsed

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