Adaptive packet/circuit switched transportation method and system
CA 1250936 A · Owner: International Business Machines Corporation · Inventors: Secondo, Pierre; Calvignac, Jean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and system for configuring a succession of complex frames to be used for exchanging synchronous circuit switched bits and asynchronous packet switched bits between nodes connected through medium links working at any bit rates in a teleprocessing network. Each complex frame which contains an integer number of bits equal to Nc or Nc+1 chosen as close as possible to a predetermined number Na (256), is made of a succession of subframes and delimited by flags, in such a way that the period between two flags is equal to nT+e T being the period, of existing Time Division Multiplex Frames (125 microseconds) and n being an integer number higher or equal to 1 which depends upon the medium link …
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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 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 7, 2006.
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Timeline
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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.