Virtual memory address translation mechanism with controlled data persistence
CA 1200917 A · Owner: International Business Machines Corporation · Inventors: Radin, George; Cocke, John; Mergen, Mark F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Memory address translation and control system converts virtual memory addresses of a CPU into real memory addresses and for controlling memory functions. Address translation function comprises converting the virtual address into an effective address using a register set addressable by a small field of the CPU generated virtual address which converts the virtual address into an expanded form; and converting the effective address into a real memory address. The effective address is then used in the address translation step. To enhance the translation of frequently used virtual addresses, Translation Look-Aside Buffers (TLB) contain current effective to real address translations. The TLBs are …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2003.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.