Addressing an operating memory of a digital computer system
Abstract
Abstract IN A DIGITAL DATA PROCESSING SYSTEM ARRANGED TO OPERATE WITH INSTRUCTION WORDS HAVING AN ADDRESS PORTION CONSISTING OF A GIVEN NUMBER OF BITS, WHICH SYSTEM INCLUDES AN OPERATING MEMORY HAVING A NUMBER OF ADDRESS LOCATIONS WHICH IS GREATER THAN THE NUMBER OF LOCATIONS WHICH CAN BE ADDRESSED BY AN INSTRUCTION WORD ADDRESS PORTION, A METHOD AND APPARATUS FOR PERMITTING ANY GROUP OF OPERATING MEMORY ADDRESS LOCATIONS TO BE ADDRESSED BY THE INSTRUCTION WORD ADDRESS PORTION BY DIVIDING THE OPERATING MEMORY INTO A PLURALITY OF SECTIONS ALL OF THE ADDRESS LOCATIONS OF WHICH CAN BE ADDRESSED BY A NUMBER OF BITS WHICH IS LESS THAN THAT CONTAINED IN THE INSTRUCTION WORD ADDRESS PORTION, DEILVERING THAT NUMBER OF BITS OF THE INSTRUCTION WORD ADDRESS PORTION DIRECTLY TO THE OPERAING MEMORY, LOGICALLY COMBINING THE REMAINING BITS OF THE INSTRUCTION WORD ADDRESS PORTION WITH A PREDETERMINED STATUS WORD TO FORM A STATUS ADDRESS PORTION, AND DELIVERING SUCH STATUS ADDRESS PORTION TO THE OPERATING MEMORY FOR DETERMINING WHICH PARTIAL SECTIN OF THE MEMORY IS BEING ADDRESSED BY THE INSTRUCTION WORD.
Inventors
- 👤 Alwin Krock
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |