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US3274498A
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Twelve-state timing pulse generator using trailing-edge triggering
Assignee: Individual
•
Filing: 1964-02-26
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Granted: 1966-09-20
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Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 David L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:55
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/58; H03K23/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A TIMING PULSE GENERATOR COMPRISING IN COMBINATION FIRST, SECOND, AND THIRD AND FOURTH FLIP-FLOP MEANS EACH HAVING A SET INPUT AND A RESET INPUT; A LOGIC AND GATE MEANS OPERATIVELY COUPLED TO THE SET INPUT OF SAID SECOND FLIP FLOP MEANS; A SOURCE OF CLOCK INPUT PULSES CONNECTED DIRECTLY TO THE SET AND THE RESET INPUTS OF SAID FIRST FLIPFLOP MEANS; CONNECTIONS FROM AN OUTPUT; OF SAID FIRST FLIPFLOP MEANS TO THE RESET INPUT OF SAID SECOND FLIP-FLOP MEANS, TO A FIRST INPUT OF SAID AND GATE MEANS, AND TO THE RESET INPUT OF SAID THIRD FLIP-FLOP MEANS; CONNECTIONS FROM AN OUTPUT OF THE SECOND FLIP-FLOP MEANS TO THE SET INPUT OF SAID THIRD FLIP-FLOP MEANS; CONNECTIONS FROM ONE OUTPUT OF THE THIRD FLIP-FLOP MEANS TO A SECOND INPUT OF SAID AND GATE MEANS; AND CONNECTIONS FROM ANOTHER OUTPUT OF SAID FLIP-FLOP MEANS TO THE SET AND RESET INPUTS OF SAID FOURTH FLIP-FLOP MEANS.
Claim 2
Dependent Claim
154 words
A TIMING PULSE GENERATOR COMPRISING IN COMBINATION FIRST, SECOND, AND THIRD AND FOURTH FLIP-FLOP MEANS EACH HAVING A SET INPUT AND A RESET INPUT; A LOGIC AND GATE MEANS OPERATIVELY COUPLED TO THE SET INPUT OF SAID SECOND FLIP FLOP MEANS; A SOURCE OF CLOCK INPUT PULSES CONNECTED DIRECTLY TO THE SET AND THE RESET INPUTS OF SAID FIRST FLIPFLOP MEANS; CONNECTIONS FROM AN OUTPUT; OF SAID FIRST FLIPFLOP MEANS TO THE RESET INPUT OF SAID SECOND FLIP-FLOP MEANS, TO A FIRST INPUT OF SAID AND GATE MEANS, AND TO THE RESET INPUT OF SAID THIRD FLIP-FLOP MEANS; CONNECTIONS FROM AN OUTPUT OF THE SECOND FLIP-FLOP MEANS TO THE SET INPUT OF SAID THIRD FLIP-FLOP MEANS; CONNECTIONS FROM ONE OUTPUT OF THE THIRD FLIP-FLOP MEANS TO A SECOND INPUT OF SAID AND GATE MEANS; AND CONNECTIONS FROM ANOTHER OUTPUT OF SAID FLIP-FLOP MEANS TO THE SET AND RESET INPUTS OF SAID FOURTH FLIP-FLOP MEANS.
References Cited (Backward Citations)
US2853238A
Cited
US3064890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |