Data transmission systems
CA 1202726 A · Owner: Plessey Overseas Limited · Inventors: Clark, Adrian P.; Fairfield, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method and Apparatus for decoding received data signals using Viterbi algorithm decoding in which to reduce the computational time an expansion technique is involved in which the m level signal is expanded into nk expanded vectors, where n is smaller than m and in, which k vectors are chosen from the nk expanded vectors for selection of the level of the received signal.
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
- Granted April 1, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 2003.
- 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.