Memory access controller
CA 1296808 C · Owner: Abe, Minoru · Inventors: Abe, Minoru; Kishino, Kuniaki; Taguchi, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
27598-38, Abstract of the Disclosure, Disclosed is a memory access controller for transferring any information from one processing unit among a plurality of processing units to another processing unit. The memory access controller for enabling any two processing units to effect transmission and reception therebetween simply and with a reduced time limitation at a high speed, includes memory for common use in a plurality of the processing units; circuitry for setting a periodical access time interval of a predetermined length during which write and read operations in and from said memory can be effected and for setting an access period of a predetermined length; a selection device for …
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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.