US3113221A
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Time division pulse memory system employing frequency divider means controlled by bistable circuit means
Assignee: NEC Corp
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Filing: 1960-11-15
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Granted: 1963-12-03
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Okuda Jiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:11
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; H; H04; H04Q; H04Q11/00; H04Q11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A TIME DIVISION PULSE MEMORY SYSTEM: A FREQUENCY DIVIDING CIRCUIT FOR PRODUCING TIMED OUTPUT PULSE SIGNALS SPACED APART BY A TIME LENGTH T CONTAINING A TIMING MEANS OPERATIVE TO SUBSTANTIALLY REPRODUCE THE SYSTEM TIME DIVISION PULSE WIDTHS T WHEREIN THE PULSE WIDTH IS SUBSTANTIALLY LESS THAN THE TIME LENGTH T, AND A FLIP-FLOP CIRCUIT CONNECTED TO SAID FREQUENCY DIVIDING CIRCUIT AND HAVING A SET AND A RESET STATE FOR CONTROLLING THE START AND STOP OPERATING CONDITIONS RESPECTIVELY OF SAID DIVIDING CIRCUIT SAID FLIP-FLOP CIRCUIT BEING ADAPTED TO CONTINUOUSLY MAINTAIN SAID FREQUENCY DIVIDING CIRCUIT IN SAID START OPERATING CONDITION UPON THE OCCURRENCE OF A SET OPERATION.
Claim 2
Dependent Claim
106 words
IN A TIME DIVISION PULSE MEMORY SYSTEM: A FREQUENCY DIVIDING CIRCUIT FOR PRODUCING TIMED OUTPUT PULSE SIGNALS SPACED APART BY A TIME LENGTH T CONTAINING A TIMING MEANS OPERATIVE TO SUBSTANTIALLY REPRODUCE THE SYSTEM TIME DIVISION PULSE WIDTHS T WHEREIN THE PULSE WIDTH IS SUBSTANTIALLY LESS THAN THE TIME LENGTH T, AND A FLIP-FLOP CIRCUIT CONNECTED TO SAID FREQUENCY DIVIDING CIRCUIT AND HAVING A SET AND A RESET STATE FOR CONTROLLING THE START AND STOP OPERATING CONDITIONS RESPECTIVELY OF SAID DIVIDING CIRCUIT SAID FLIP-FLOP CIRCUIT BEING ADAPTED TO CONTINUOUSLY MAINTAIN SAID FREQUENCY DIVIDING CIRCUIT IN SAID START OPERATING CONDITION UPON THE OCCURRENCE OF A SET OPERATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |