Patent US3237169A successfully refreshed from Google Patents.
US3237169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous read-write addressing
Assignee: Unisys Corp
•
Filing: 1962-06-13
•
Granted: 1966-02-22
•
Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 Floyd M Hartwig
- 👤 Leenay Kevin
- 👤 George B Strawbridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:23
CPC Classifications
G; G06; G06F; G06F13/00; G06F13/14; G06F13/16; G06F13/1605; G06F13/161; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A MEMORY SYSTEM FOR USE IN DIGITAL DATA PROCESSING EQUIPMENT, THE COMBINATION COMPRISING: MEANS FOR OBTAINING A FIRST SET OF ADDRESS RESPRESENTING SIGNALS; FIRST TRANSLATING MEANS RESPONSIVE TO SAID ADDRESS REPRESENTING SIGNALS FOR PROVIDING FIRST SELECTION SIGNALS IN A MEMORY ARRAY FOR SELECTING A REGISTER LOCATION THEREIN; SECOND TRANSLATING MEANS OPERATIVE DURING THE INTERVAL THAT SAID REGISTER LOCATION IS BEING SELECTED FOR TRANSLATING SAID FIRST SET OF ADDRESS REPRESENTING SIGNALS TO PROVIDE SECOND SELECTION SIGNALS INDENTICAL IN FORMAT TO THE FIRST SELECTION SIGNALS; MEANS FOR OPERATING ON THE REGISTER LOCATION SELECTED BY SAID SECOND SET OF SELECTION SIGNALS; AND MEANS FOR OBTAINING A SECOND SET OF ADDRESS REPRESENTING SIGNALS FOR REPEATING THE CYCLE OF OPERATION ON A DIFFERENT SELECTED REGISTER DURING THE INTERVAL THAT THE REGISTER LOCATION SELECTED BY SAID SECOND SET OF SELECTION SIGNALS IS BEING OPERATED UPON.
Claim 2
Dependent Claim
140 words
IN A MEMORY SYSTEM FOR USE IN DIGITAL DATA PROCESSING EQUIPMENT, THE COMBINATION COMPRISING: MEANS FOR OBTAINING A FIRST SET OF ADDRESS RESPRESENTING SIGNALS; FIRST TRANSLATING MEANS RESPONSIVE TO SAID ADDRESS REPRESENTING SIGNALS FOR PROVIDING FIRST SELECTION SIGNALS IN A MEMORY ARRAY FOR SELECTING A REGISTER LOCATION THEREIN; SECOND TRANSLATING MEANS OPERATIVE DURING THE INTERVAL THAT SAID REGISTER LOCATION IS BEING SELECTED FOR TRANSLATING SAID FIRST SET OF ADDRESS REPRESENTING SIGNALS TO PROVIDE SECOND SELECTION SIGNALS INDENTICAL IN FORMAT TO THE FIRST SELECTION SIGNALS; MEANS FOR OPERATING ON THE REGISTER LOCATION SELECTED BY SAID SECOND SET OF SELECTION SIGNALS; AND MEANS FOR OBTAINING A SECOND SET OF ADDRESS REPRESENTING SIGNALS FOR REPEATING THE CYCLE OF OPERATION ON A DIFFERENT SELECTED REGISTER DURING THE INTERVAL THAT THE REGISTER LOCATION SELECTED BY SAID SECOND SET OF SELECTION SIGNALS IS BEING OPERATED UPON.
References Cited (Backward Citations)
US3068452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |