Address control device for reasonably controlling an address storing operation on reception of cancellation
CA 1286783 C · Owner: Nec Corporation · Inventors: Kinoshita, Kouji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an address control device operable in response to an input virtual address signal to control an access operation to a memory section an address, storing operation is started by an address conversion control section (22) when no real address part is stored in a translation lookaside buffer (21) in correspondence to the input virtual address signal. The address storing operation is continued in the address control device even when a cancellation signal is given from an execution processing unit (12) so as to cancel the access operation, without supply of a request signal to the memory section. For this purpose, an "under operation" signal is produced from an "under operation" flip-flop …
Read the whole patent
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.