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US3307047A Expired / Lapsed US ⏱️ 0.0 years remaining

Clocked set-reset flip-flop

Assignee: Motorola Solutions Inc
•
Filing: 1964-04-30
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Granted: 1967-02-28
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Expires: 1984-04-30
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Abstract

No abstract record available.

Inventors

  • 👤 Jan A Narud
  • 👤 Walter C Seelbach

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:48
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/01; H03K3/012; H03K3/027; H03K3/037; H03K3/288; H03K3/2885

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 153 words
A CLOCKED BISTABLE MULTIVIBRATOR CIRCUIT HAVING SET AND RESET CONDUCTIVE STATES, SAID CIRCUIT INCLUDING IN COMBINATION FIRST AND SECOND EMITTER-FOLLOWER TRANSISTORS AND FIRST AND SECOND HOLDING TRANSISTORS, SAID FIRST AND SECOND HOLDING TRANSISTORS CONNECTED TO A COMMON CURRENT OUTPUT TERMINAL, A COMMON EMITTER RESISTANCE CONNECTED BETWEEN SAID COMMON CURRENT OUTPUT TERMINAL AND A VOLTAGE SUPPLY MEANS, MEANS CROSS-COUPLING SAID FIRST AND SECOND EMITTER-FOLLOWER TRANSISTORS TO SAID SECOND AND FIRST HOLDING TRANSISTOR, RESPECTIVELY, AND PROVIDING A CONDUCTIVE PATH IN SAID MULTIVIBRATOR DURING THE ALTERNATE CONDUCTION OF SAID FIRST AND SECOND HOLDING TRANSISTORS, SAID BISTABLE MULTIVIBRATOR HAVING A FIRST STABLE SET STATE WHEREIN SAID FIRST HOLDING TRANSISTOR IS CONDUCTING AND SAID SECOND HOLDING TRANSISTOR IS NON-CONDUCTING AND A SECOND STABLE RESET STATE WHEREIN SAID FIRST HOLDING TRANSISTOR IS NON-CONDUCTING AND SAID SECOND HOLDING TRANSISTOR IS CONDUCTING, SAID CROSS-COUPLING MEANS INCLUDING A FIRST RESISTANCE MEANS CONNECTED BETWEEN SAID FIRST EMITTER-FOLLOWER TRANSISTOR AND SAID VOLTAGE SUPPLY MEANS
Claim 2
Dependent Claim 153 words
A CLOCKED BISTABLE MULTIVIBRATOR CIRCUIT HAVING SET AND RESET CONDUCTIVE STATES, SAID CIRCUIT INCLUDING IN COMBINATION FIRST AND SECOND EMITTER-FOLLOWER TRANSISTORS AND FIRST AND SECOND HOLDING TRANSISTORS, SAID FIRST AND SECOND HOLDING TRANSISTORS CONNECTED TO A COMMON CURRENT OUTPUT TERMINAL, A COMMON EMITTER RESISTANCE CONNECTED BETWEEN SAID COMMON CURRENT OUTPUT TERMINAL AND A VOLTAGE SUPPLY MEANS, MEANS CROSS-COUPLING SAID FIRST AND SECOND EMITTER-FOLLOWER TRANSISTORS TO SAID SECOND AND FIRST HOLDING TRANSISTOR, RESPECTIVELY, AND PROVIDING A CONDUCTIVE PATH IN SAID MULTIVIBRATOR DURING THE ALTERNATE CONDUCTION OF SAID FIRST AND SECOND HOLDING TRANSISTORS, SAID BISTABLE MULTIVIBRATOR HAVING A FIRST STABLE SET STATE WHEREIN SAID FIRST HOLDING TRANSISTOR IS CONDUCTING AND SAID SECOND HOLDING TRANSISTOR IS NON-CONDUCTING AND A SECOND STABLE RESET STATE WHEREIN SAID FIRST HOLDING TRANSISTOR IS NON-CONDUCTING AND SAID SECOND HOLDING TRANSISTOR IS CONDUCTING, SAID CROSS-COUPLING MEANS INCLUDING A FIRST RESISTANCE MEANS CONNECTED BETWEEN SAID FIRST EMITTER-FOLLOWER TRANSISTOR AND SAID VOLTAGE SUPPLY MEANS

References Cited (Backward Citations)

US3145342A Cited
US3143669A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-27 1970-08-29 1971-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-27 1974-08-29 1975-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-27 1978-08-29 1979-02-28 $7700.00 Window Closed / Lapsed

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