Patent US3155947A successfully refreshed from Google Patents.
US3155947A
Expired / Lapsed
US
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Flip-flop circuit
Assignee: Mitsubishi Electric Corp
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Filing: 1960-11-29
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Granted: 1964-11-03
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Expires: 1980-11-29
Abstract
No abstract record available.
Inventors
- 👤 Yoshida Taro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
182 words
AN ELECTRICAL CIRCUIT COMPRISING A PAIR OF STATIC SWITCHING DEVICES CROSS-COUPLED WITH EACH OTHER TO DEFINE A FLIP-FLOP, EACH DEVICE HAVING FIRST AND SECOND ELECTRODES AND AN INTERNAL POWER CURRENT PATH EXTENDING FROM ONE TO THE OTHER OF SAID ELECTRODES, EACH DEVICE BEING OPERABLE TO FIRST AND SECOND CONDUCTION STATES, THE FLIP-FLOP HAVING ONE STABLE STATE WHEN ONE DEVICE IS IN ITS FIRST CONDUCTION STATE AND THE OTHER DEVICE IS IN ITS SECOND CONDUCTION STATE, AND A SECOND STABLE STATE WHEN THE CONDUCTION STATES OF THE DEVICES ARE REVERSED, FIRST AND SECOND SATURABLE REACTORS, EACH HAVING A SATURABLE CORE AND RESPECTIVE PRIMARY AND SECONDARY WINDINGS ON THE CORE, BIAS MEANS, FIRST AND SECOND SETS OF CIRCUITS CONNECTED ACROSS SAID BIAS MEANS, EACH SET INCLUDING FIRST AND SECOND PARALLEL CIRCUIT BRANCHES, EACH FIRST BRANCH OF A SET INCLUDING IN SERIES THE INTERNAL POWER CURRENT PATH OF A DIFFERENT ONE OF SAID DEVICES AND THE PRIMARY WINDING OF A DIFFERENT ONE OF SAID REACTORS, EACH SECOND BRANCH OF A SET INCLUDING IN SERIES A VOLTAGE REFERENCE AND THE SECONDARY WINDING OF THE REACTOR WHOSE
References Cited (Backward Citations)
US2939115A
Cited
US2995735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |