US3230513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory addressing system
Assignee: International Business Machines Corp
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Filing: 1960-12-30
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Granted: 1966-01-18
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/34; G06F9/342; G06F12/00; G06F12/02; G06F12/06; G06F12/0615; G06F12/0623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A COMPUTER SYSTEM COMPRISING: A CODED ELECTRICAL SIGNAL SOURCE CONSISTING OF A PREDETERMINED TOTAL DISCRETE NUMBER OF ELECTRICAL SIGNALS PRESENTED SIMULTANEOUSLY AND REPETITIVELY AS AN OUTPUT, SAID TOTAL DISCRETE NUMBER OF ELECTRICAL SIGNALS HAVING A FIXED PORTION FOR ADDRESSING AND THE REMAINDER FOR OPERATION COMMANDS; FIRST AND SECOND MEMORIES HAVING A COMBINED NUMBER OF ADDRESSABLE LOCATIONS GREATER THAN THE NUMBER OF COMBINATIONS PROVIDED BY THE NUMBER OF DISCRETE ELECTRICAL SIGNALS AVAILABLE FOR ADDRESSING; MUTUALLY EXCLUSIVE GATING MEANS SELECTIVELY ACTUABLE TO CONNECT EITHER MEMORY TO THE ADDRESSING OUTPUT OF SAID SIGNAL SOURCE; AND MEANS FOR SELECTIVELY ACTUATING SAID GATING MEANS IN RESPONSE TO PREDETERMINED OUTPUT SIGNAL ARRANGEMENTS OF SAID SIGNAL SOURCE WHERE SAID PREDETERMINED OUTPUT SIGNAL ARRANGEMENT IS UTILIZED SOLELY TO SELECT EITHER MEMORY.
Claim 2
Dependent Claim
123 words
A COMPUTER SYSTEM COMPRISING: A CODED ELECTRICAL SIGNAL SOURCE CONSISTING OF A PREDETERMINED TOTAL DISCRETE NUMBER OF ELECTRICAL SIGNALS PRESENTED SIMULTANEOUSLY AND REPETITIVELY AS AN OUTPUT, SAID TOTAL DISCRETE NUMBER OF ELECTRICAL SIGNALS HAVING A FIXED PORTION FOR ADDRESSING AND THE REMAINDER FOR OPERATION COMMANDS; FIRST AND SECOND MEMORIES HAVING A COMBINED NUMBER OF ADDRESSABLE LOCATIONS GREATER THAN THE NUMBER OF COMBINATIONS PROVIDED BY THE NUMBER OF DISCRETE ELECTRICAL SIGNALS AVAILABLE FOR ADDRESSING; MUTUALLY EXCLUSIVE GATING MEANS SELECTIVELY ACTUABLE TO CONNECT EITHER MEMORY TO THE ADDRESSING OUTPUT OF SAID SIGNAL SOURCE; AND MEANS FOR SELECTIVELY ACTUATING SAID GATING MEANS IN RESPONSE TO PREDETERMINED OUTPUT SIGNAL ARRANGEMENTS OF SAID SIGNAL SOURCE WHERE SAID PREDETERMINED OUTPUT SIGNAL ARRANGEMENT IS UTILIZED SOLELY TO SELECT EITHER MEMORY.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |