Communication system
CA 2292771 C · Owner: Duaxes Corporation · Inventors: Nagoya, Mitsugu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a communication system including: boundary scan elements having a plurality of boundary cells individually assigned to respective input terminals and output terminals, a TAP circuit for controlling input and output of data to or from the boundary cells, a TDI terminal and TDO terminal for inputting or outputting serial data to or from the boundary cells, a TCK terminal to which a clock signal is input, and a TMS terminal to which a mode signal for switching the operation mode is input; a plurality of terminal units connected with the respective boundary scan elements: a communication controller connected in series with the boundary scan elements for individual control of …
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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
- Filed June 1, 1998 and granted May 20, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 1, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 1, 2020.
- 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.