Patent US3307045A successfully refreshed from Google Patents.
US3307045A
Expired / Lapsed
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Transformer control circuits for flip-flops
Assignee: Unisys Corp
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Filing: 1964-03-04
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Granted: 1967-02-28
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Expires: 1984-03-04
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 |