Multiple microprocessor intercommunication arrangement
CA 1100590 A · Owner: Western Electric Company, Incorporated · Inventors: Aranguren, William L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, The present invention relates to method and apparatus for providing a communication arrangement between two or more independently operable microprocessor units (MPUs). Large amounts of data or data in block format are capable of being passed between MPUs via the present intercommunication channel with little handshaking between MPUs. In the present arrangement a plurality of, MPUs sequentially access under the control of a, synchronous clock a common memory for random access to, blocks of memory for writing data therein or for reading data previously written therein without the necessity for contention resolving means.
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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 May 5, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 1998.
- 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.