Patent US3207916A successfully refreshed from Google Patents.
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
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.
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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 |