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US3207916A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical pulse distributor for connecting potential to a plurality of leads

Assignee: British Telecommunications PLC
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Filing: 1961-01-31
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Granted: 1965-09-21
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Expires: 1981-01-31
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Abstract

No abstract record available.

Inventors

  • 👤 John L Slow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:04
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/15; H03K5/15013; H03K5/1506; H03K5/15093; H03K5/15026; H03K5/1504

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 256 words
AN ELECTRICAL PULSE DISTRIBUTOR COMPRISING IN COMBINATION A PLURALITY OF TRANSISTORS EACH INCLUDING A BASE ELECTRODE, AN EMITTER ELECTRODE AND A COLLECTOR ELECTRODE,M A LIKE PLURALITY OF CAPACITORS, CONNECTIONS BETWEEN SAID TRANSISTORS FORMING A RING CIRCUIT WITH THE CAPACITORS RESPECTIVELY CONNECTED BETWEEN THE COLLECTOR OF ONE TRANSISTOR AND THE BASE OF THE NEXT, A FIRST CURRENT SOURCE, A LIKE PLURALITY OF RESISTORS CONNECTED RESPECTIVELY BETWEEN THE COLLECTORS OF SAID TRANSISTORS AND SAID FIRST CURRENT SOURCE, A PLURALITY OF OUTPUT LEADS CONNECTED RESPECTIVELY TO THE COLLECTORS OF SAID TRANSISTORS, A SECOND CURRENT SOURCE A FURTHER TRANSISTOR INCLUDING A BASE ELECTRODE, AN EMMITTER ELECTRODE AND A COLLECTOR ELECTRODE, CONNECTIONS FROM THE EMITTER OF SAID FURTHER TRANSISTORS TO THE EMITTERS OF ALL SAID PLURALITY OF TRANSISTORS AND TO SAID SECOND CURRENT SOURCE, A LIKE PLURALITY OF DIODES, A FIRST FIXED POTENTIAL SOURCE, A SECOND FIXED POTENTIAL SOURCE OF SLIGHTLY DIFFERENT VALVE, A CONNECTION FORM THE BASE OF THE OF SAID TRANSISITORS BY WAY OF ONE OF SAID DIODES TO SAID FIRST POTENTIAL SOURCE, CONNECTIONS FROM THE BASES OF THE REMAINDER OF SAID TRANSISTORS RESPECTIVELY BY WAY OF THE REMAINDER OF SAID DIODES TO SAID SECOND POTENTIAL SOURCE, A CONTROL LEAD CONNECTED TO THE BASE OF SAID FURTHER TRANSISTOR, AND MEANS FOR CONNECTING PULSES AT A PREDETERMINED FREQUENCY TO SAID CONTROL LEAD WHEREBY DIFFERENT ONES OF SAID PLURALITY OF TRANSISTORS ARE INDIVIDUALLY RENDERED CONDUCTING IN TURN AND SERVE TO ALTER THE POTENTIAL OF SAID OUTPUT LEADS IN TURN AND IN THE ABSENCE OF SAID PULSES SAID ONE TRANSISTOR REMAINS CONDUCTING.
Claim 2
Dependent Claim 256 words
AN ELECTRICAL PULSE DISTRIBUTOR COMPRISING IN COMBINATION A PLURALITY OF TRANSISTORS EACH INCLUDING A BASE ELECTRODE, AN EMITTER ELECTRODE AND A COLLECTOR ELECTRODE,M A LIKE PLURALITY OF CAPACITORS, CONNECTIONS BETWEEN SAID TRANSISTORS FORMING A RING CIRCUIT WITH THE CAPACITORS RESPECTIVELY CONNECTED BETWEEN THE COLLECTOR OF ONE TRANSISTOR AND THE BASE OF THE NEXT, A FIRST CURRENT SOURCE, A LIKE PLURALITY OF RESISTORS CONNECTED RESPECTIVELY BETWEEN THE COLLECTORS OF SAID TRANSISTORS AND SAID FIRST CURRENT SOURCE, A PLURALITY OF OUTPUT LEADS CONNECTED RESPECTIVELY TO THE COLLECTORS OF SAID TRANSISTORS, A SECOND CURRENT SOURCE A FURTHER TRANSISTOR INCLUDING A BASE ELECTRODE, AN EMMITTER ELECTRODE AND A COLLECTOR ELECTRODE, CONNECTIONS FROM THE EMITTER OF SAID FURTHER TRANSISTORS TO THE EMITTERS OF ALL SAID PLURALITY OF TRANSISTORS AND TO SAID SECOND CURRENT SOURCE, A LIKE PLURALITY OF DIODES, A FIRST FIXED POTENTIAL SOURCE, A SECOND FIXED POTENTIAL SOURCE OF SLIGHTLY DIFFERENT VALVE, A CONNECTION FORM THE BASE OF THE OF SAID TRANSISITORS BY WAY OF ONE OF SAID DIODES TO SAID FIRST POTENTIAL SOURCE, CONNECTIONS FROM THE BASES OF THE REMAINDER OF SAID TRANSISTORS RESPECTIVELY BY WAY OF THE REMAINDER OF SAID DIODES TO SAID SECOND POTENTIAL SOURCE, A CONTROL LEAD CONNECTED TO THE BASE OF SAID FURTHER TRANSISTOR, AND MEANS FOR CONNECTING PULSES AT A PREDETERMINED FREQUENCY TO SAID CONTROL LEAD WHEREBY DIFFERENT ONES OF SAID PLURALITY OF TRANSISTORS ARE INDIVIDUALLY RENDERED CONDUCTING IN TURN AND SERVE TO ALTER THE POTENTIAL OF SAID OUTPUT LEADS IN TURN AND IN THE ABSENCE OF SAID PULSES SAID ONE TRANSISTOR REMAINS CONDUCTING.

References Cited (Backward Citations)

US2512984A Cited
US2542644A Cited
US2860259A Cited
US2906870A Cited
US2876365A Cited
US2802052A Cited
US2848628A Cited
US2857554A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-20 1969-03-22 1969-09-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-20 1973-03-22 1973-09-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-20 1977-03-22 1977-09-21 $7700.00 Window Closed / Lapsed

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