US3077581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic information storage unit
Assignee: Philips North America LLC
•
Filing: 1959-02-02
•
Granted: 1963-02-12
•
Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Grady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:31
CPC Classifications
G; G11; G11C; G11C21/00; G11C21/02; H; H03; H03M; H03M9/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
282 words
IN A SIGNAL STORAGE SYSTEM, THE COMBINATION OF: A DYNAMIC STORAGE UNIT FOR PASSING DISCRETE PULSES OF FIRST AND SECOND POLARITIES, A PLURALITY OF INDIVIDUAL SWITCHING MEANS EACH HAVING A FIRST OPERATING CONDITION AND A SECOND OPERATING CONDITION, MEANS FOR PROVIDING REGULARLY RECURRING CLOCK TIMING PULSES, MEANS INCLUDING A GATE CIRCUIT RESPONSIVE TO SAID CLOCK PULSES AND COUPLED TO THE DYNAMIC STORAGE UNIT FOR INTRODUCING A PULSE OF THE SECOND POLARITY TO THE DYNAMIC STORAGE UNIT FOR PASSAGE OF THE CLOCK PULSE THROUGH THE UNIT, MEANS COUPLED TO THE GATE CIRCUIT FOR INTRODUCING A CONTROL PULSE TO THE GATE CIRCUIT TO ENABLE THE GATE CIRCUIT TO PASS ONE OF THE CLOCK PULSES AND THEREBY FORM SAID PULSE OF THE SECOND POLARITY, CIRCUIT MEANS RESPONSIVE TO THE PASSAGE OF SAID ONE OF THE CLOCK PULSES BY THE GATE CIRCUIT TO PREVENT THE PASSAGE OF FURTHER CLOCK PULSES THROUGH THE GATE CIRCUIT, A PLURALITY OF INDIVIDUAL SAMPLING MEANS COUPLED TO THE DYNAMIC STORAGE UNIT AT SPACED INTERVALS WITH RESPECT THERETO AND CONNECTED TO RESPECTIVE ONES OF THE INDIVIDUAL SWITCHING MEANS TO INTRODUCE PULSES IN SEQUENCE TO SUCCESSIVE-ONES OF THE SWITCHING MEANS IN ACCORDANCE WITH THE CIRCULATION OF THE PULSE OF THE SECOND POLARITY THROUGH THE STORAGE UNIT, UNIDIRECTIONAL MEANS INCLUDED IN EACH OF THE SAMPLING MEANS FOR RENDERING THE SAMPLING MEANS RESPONSIVE TO PULSES OF ONLY THE SECOND POLARITY CIRCULATED IN THE STORAGE UNIT, AND MEANS COUPLED TO THE SWITCHING MEANS FOR INTRODUCING A SERIES OF PULSES OF THE FIRST POLARITY IN SERIAL FORM TO THE DYNAMIC STORAGE UNIT AT TIMES RELATED TO THE OCCURRENCE OF THE CLOCK PULSES AND IN A PATTERN DEPENDENT UPON THE CONDITION OF SUCCESSIVE ONES OF THE SWITCHING MEANS.
References Cited (Backward Citations)
US2577141A
Cited
US2635229A
Cited
US2729811A
Cited
US2771244A
Cited
US2914757A
Cited
US2873386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |