US3328771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Priority sequence control
Assignee: International Business Machines Corp
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Filing: 1964-06-30
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Granted: 1967-06-27
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Gerrit A Blaauw
- 👤 William V Wright
- 👤 Russell H Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:38
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812; G06F9/4818; G06F9/22; G06F9/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
97 words
PRIORITY SEQUENCING CONTROL FOR A DATA PROCESSING SYSTEM HAVING MEMORY MEANS, LOGICAL MEANS AND BUS MEANS INTERCONNECTING SAID MEMORY MEANS AND SAID LOGICAL MEANS, CHARACTERIZED BY: (A) A PLURALITY OF REQUEST RINGS, EACH BEING ARRANGED TO PROVIDE A SEQUENCE OF OPERATION REQUESTS, EACH REQUEST BEING ARRANGED, UPON GRANT, TO CONTROL A SHORT SEQUENCE OF DATA MANIPULATIONS INVOLVING AT LEAST ONE OF SAID MEMORY MEANS AND LOGICAL MEANS AND SAID BUS MEANS, SAID REQUEST RINGS BEING ASSIGNED RANK FOR PRIORITY PURPOSES; AND (B) MEANS TO PROVIDE SELECTIVE REQUEST GRANT SIGNALS TO THE HIGHEST RANK REQUESTING RING CURRENTLY REQUESTING.
Claim 2
Dependent Claim
97 words
PRIORITY SEQUENCING CONTROL FOR A DATA PROCESSING SYSTEM HAVING MEMORY MEANS, LOGICAL MEANS AND BUS MEANS INTERCONNECTING SAID MEMORY MEANS AND SAID LOGICAL MEANS, CHARACTERIZED BY: (A) A PLURALITY OF REQUEST RINGS, EACH BEING ARRANGED TO PROVIDE A SEQUENCE OF OPERATION REQUESTS, EACH REQUEST BEING ARRANGED, UPON GRANT, TO CONTROL A SHORT SEQUENCE OF DATA MANIPULATIONS INVOLVING AT LEAST ONE OF SAID MEMORY MEANS AND LOGICAL MEANS AND SAID BUS MEANS, SAID REQUEST RINGS BEING ASSIGNED RANK FOR PRIORITY PURPOSES; AND (B) MEANS TO PROVIDE SELECTIVE REQUEST GRANT SIGNALS TO THE HIGHEST RANK REQUESTING RING CURRENTLY REQUESTING.
Claim 3
Dependent Claim
133 words
PRIORITY SEQUENCING CONTROL MEANS FOR A DATA PROCESSING SYSTEM IN WHICH INDIVIDUAL CONTROL SIGNALS CONTROL A PLURALITY OF JOBS OVER A SHORT PLURALITY OF TIME PERIODS, CHARACTERIZED BY: (A) MEMORY WORD AND BYTE ADDRESSING MEANS; (B) MEANS TO CONTROL WORD ADDRESSING ON THE FIRST OF SAID PLURALITY OF TIME PERIODS, ACCORDING TO CODE VALUES IN SAID MEMORY ADDRESSING MEANS, WHEREUPON THE CODE VALUES IN SAID MEMORY ADDRESSING MEANS MAY BE CHANGED FOR ADDRESSING A SECOND WORD DURING A SUBSEQUENT TIME PERIOD; AND (C) MEANS CONNECTED TO SAID MEMORY WORD AND BYTE ADDRESSING MEANS TO RECEIVE THE BYTE ADDRESS AND RETAIN IT DURING A FIXED NUMBER OF TIME PERIODS SO THAT THE WORD ADDRESSED DURING THE TIME PERIOD BECOMES AVAILABLE FOR BYTE ADDRESSING AT THE SAME TIME THAT THE DELAYED BYTE ADDRESS BECOMES AVAILABLE.
Claim 4
Dependent Claim
133 words
PRIORITY SEQUENCING CONTROL MEANS FOR A DATA PROCESSING SYSTEM IN WHICH INDIVIDUAL CONTROL SIGNALS CONTROL A PLURALITY OF JOBS OVER A SHORT PLURALITY OF TIME PERIODS, CHARACTERIZED BY: (A) MEMORY WORD AND BYTE ADDRESSING MEANS; (B) MEANS TO CONTROL WORD ADDRESSING ON THE FIRST OF SAID PLURALITY OF TIME PERIODS, ACCORDING TO CODE VALUES IN SAID MEMORY ADDRESSING MEANS, WHEREUPON THE CODE VALUES IN SAID MEMORY ADDRESSING MEANS MAY BE CHANGED FOR ADDRESSING A SECOND WORD DURING A SUBSEQUENT TIME PERIOD; AND (C) MEANS CONNECTED TO SAID MEMORY WORD AND BYTE ADDRESSING MEANS TO RECEIVE THE BYTE ADDRESS AND RETAIN IT DURING A FIXED NUMBER OF TIME PERIODS SO THAT THE WORD ADDRESSED DURING THE TIME PERIOD BECOMES AVAILABLE FOR BYTE ADDRESSING AT THE SAME TIME THAT THE DELAYED BYTE ADDRESS BECOMES AVAILABLE.
References Cited (Backward Citations)
US3226694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |