Digital signal transmission system having monitor equipment
CA 2069284 A1 · Owner: Fujitsu Limited · Inventors: Hanaeda, Kazunori; Maruyama, Akira; Nara, Hiroichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital signal transmission system having monitor equipment that monitors a serial/parallel (S/P) converter per se and a parallel/serial (P/S) converter per se both comprising the above system.. The S/P converter is checked by the aid of a first monitor signal generating circuit that parallel distributes a pass pattern signal given at the input side of the S/P converter to respective individual channel lines for achieving a pass pattern check. The P/S converter is checked with the aid of the second monitor signal generating circuit that receives respective pass pattern signals given at the, input side of the P/S converter to a multiplexed channel, line sequentially at every frame to …
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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 May 22, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 22, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 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.