US3310686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flip flip circuits utilizing set-reset dominate techniques
Assignee: RCA Corp
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Filing: 1963-06-14
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Granted: 1967-03-21
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Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Le Roy F Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:10
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A LOGIC CIRCUIT COMPRISING THE COMBINATION OF, A BISTABLE FLIP FLIP INCLUDING A PAIR OF CROSS-COUPLED TRANSISTORS OF OPPOSITE CONDUCTIVITY TYPE AND EXHIBITING A CONDUCTING STABLE STATE AND A NONCONDUCTING STABLE STATE, MEANS PROVIDING A DOMINANT INPUT TERMINAL AND A NONDOMINANT INPUT TERMINAL FOR SAID BISTABLE FLIP FLIP SO THAT AN INPUT SIGNAL APPLIED TO SAID DOMINANT INPUT TERMINAL CAUSES SAID FLIP FLIP TO OPERATE IN ONE STABLE STATE AND AN INPUT SIGNAL APPLIED TO SAID NONDOMINANT TERMINAL CAUSES SAID FLIP FLIP TO OPERATE IN THE OTHER STABLE STATE, A COINCIDENCE GATE COUPLED TO SAID DOMINANT TERMINAL, MEANS FOR APPLYING A BINARY INPUT SIGNAL TO SAID GATE, AND MEANS FOR APPLYING A SECOND INPUT SIGNAL BOTH TO SAID NONDOMINANT TERMINAL AND TO SAID GATE SIMULTANEOUSLY WITH THE APPLICATION OF SAID BINARY INPUT SIGNAL TO SAID GATE, TO CAUSE SAID BISTABLE FLIP FLIP TO OPERATE IN
Claim 2
Dependent Claim
145 words
A LOGIC CIRCUIT COMPRISING THE COMBINATION OF, A BISTABLE FLIP FLIP INCLUDING A PAIR OF CROSS-COUPLED TRANSISTORS OF OPPOSITE CONDUCTIVITY TYPE AND EXHIBITING A CONDUCTING STABLE STATE AND A NONCONDUCTING STABLE STATE, MEANS PROVIDING A DOMINANT INPUT TERMINAL AND A NONDOMINANT INPUT TERMINAL FOR SAID BISTABLE FLIP FLIP SO THAT AN INPUT SIGNAL APPLIED TO SAID DOMINANT INPUT TERMINAL CAUSES SAID FLIP FLIP TO OPERATE IN ONE STABLE STATE AND AN INPUT SIGNAL APPLIED TO SAID NONDOMINANT TERMINAL CAUSES SAID FLIP FLIP TO OPERATE IN THE OTHER STABLE STATE, A COINCIDENCE GATE COUPLED TO SAID DOMINANT TERMINAL, MEANS FOR APPLYING A BINARY INPUT SIGNAL TO SAID GATE, AND MEANS FOR APPLYING A SECOND INPUT SIGNAL BOTH TO SAID NONDOMINANT TERMINAL AND TO SAID GATE SIMULTANEOUSLY WITH THE APPLICATION OF SAID BINARY INPUT SIGNAL TO SAID GATE, TO CAUSE SAID BISTABLE FLIP FLIP TO OPERATE IN
References Cited (Backward Citations)
US3054907A
Cited
US3170075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |