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US3307045A Expired / Lapsed US ⏱️ 0.0 years remaining

Transformer control circuits for flip-flops

Assignee: Unisys Corp
•
Filing: 1964-03-04
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Granted: 1967-02-28
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Expires: 1984-03-04
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Abstract

No abstract record available.

Inventors

  • 👤 John O Paivinen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 13:25
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/28; H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 144 words
IN A TRANSISTORIZED BISTABLE MULTIVIBRATOR OF THE ECCLES-JORDAN TYPE, HAVING A PAIR OF TRANSISTORS EACH WITH TWO CURRENT-CARRYING ELECTRODES AND A CONTROL ELECTRODE, TRANSFORMER DRIVING MEANS COMPRISING A PRIMARY WINDING HAVING TWO END TERMINALS AND A CENTER-TAP TERMINAL, A PAIR OF ASYMMETRICALLY CONDUCTIVE MEANS, A PAIR OF CAPACITIVE ENABLING NETWORKS COUPLED TO INDIVIDUAL ONES OF SAID END TERMINALS THROUGH SAID ASYMMETRICALLY CONDUCTIVE MEANS, A COMMON JUNCTION BETWEEN SAID CAPACITIVE ENABLING NETWORKS, A SECONDARY WINDING HAVING TWO END TERMINALS AND A CENTER-TAP TERMINAL, SAID END TERMINALS OF SAID SECONDARY WINDING BEING CONNECTED TO LIKE ELECTRODES OF SAID TRANSISTORS AND SAID CENTER-TAP TERMINAL OF SAID SECONDARY WINDING BEING CONNECTED TO A REFERENCE POTENTIAL, WHEREBY THE RECEIPT OF A CONDITIONING PULSE BY ONE OF SAID ENABLING NETWORKS CONDITIONS THE ASYMMETRICALLY CONDUCTIVE MEANS COUPLED TO SAID ONE ENABLING NETWORK FOR CONDUCTION UPON THE OCCURRENCE OF AN INPUT PULSE.
Claim 2
Dependent Claim 144 words
IN A TRANSISTORIZED BISTABLE MULTIVIBRATOR OF THE ECCLES-JORDAN TYPE, HAVING A PAIR OF TRANSISTORS EACH WITH TWO CURRENT-CARRYING ELECTRODES AND A CONTROL ELECTRODE, TRANSFORMER DRIVING MEANS COMPRISING A PRIMARY WINDING HAVING TWO END TERMINALS AND A CENTER-TAP TERMINAL, A PAIR OF ASYMMETRICALLY CONDUCTIVE MEANS, A PAIR OF CAPACITIVE ENABLING NETWORKS COUPLED TO INDIVIDUAL ONES OF SAID END TERMINALS THROUGH SAID ASYMMETRICALLY CONDUCTIVE MEANS, A COMMON JUNCTION BETWEEN SAID CAPACITIVE ENABLING NETWORKS, A SECONDARY WINDING HAVING TWO END TERMINALS AND A CENTER-TAP TERMINAL, SAID END TERMINALS OF SAID SECONDARY WINDING BEING CONNECTED TO LIKE ELECTRODES OF SAID TRANSISTORS AND SAID CENTER-TAP TERMINAL OF SAID SECONDARY WINDING BEING CONNECTED TO A REFERENCE POTENTIAL, WHEREBY THE RECEIPT OF A CONDITIONING PULSE BY ONE OF SAID ENABLING NETWORKS CONDITIONS THE ASYMMETRICALLY CONDUCTIVE MEANS COUPLED TO SAID ONE ENABLING NETWORK FOR CONDUCTION UPON THE OCCURRENCE OF AN INPUT PULSE.

References Cited (Backward Citations)

US2622212A Cited
US2988701A Cited
US2977485A Cited
US3143664A Cited
US3132265A Cited
US3191059A 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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