Message data cell multiplexing apparatus
CA 2082318 A1 · Owner: Shikama, Toshihiro · Inventors: Shikama, Toshihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A message data cell multiplexing apparatus includes a message queue unit that stores waiting transmission messages sent from a LAN containing terminals via an input line in a FIFO operation. A cellulation unit reads out the messages and produces cells, which have logical channel number information in their header parts. A cell queue is included for storing the cells that are output from the cellulation unit for every logical channel number information. A queue selector may be employed that searches the cell queue in a specified circulative order. The queue selector outputs every transmission waiting cell to the corresponding logical channel. Transmission of cells is alternated so that the …
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
- Filed November 6, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2014.
- 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.