US3307047A
Expired / Lapsed
US
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Assignee: Motorola Solutions Inc
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Filing: 1964-04-30
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Granted: 1967-02-28
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Expires: 1984-04-30
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 |