Control system for industrial plant
CA 1329248 C · Owner: Spiller, Christopher Rowland Line · Inventors: Spiller, Christopher Rowland Line
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control system (10) for an industrial plant comprises a plurality of instrument sets (12A to 12N) and a plurality of logic sets (14A to 14L). The instrument sets have a number of sensors (16A to 16N) which detect parameters of the industrial plant and, have two serial link controllers (24A 24B) which supply the, output signals from each sensor in the instrument set sequentially to the logic sets. The logic sets have a number of auto select logic circuits (32A to 32N), each of which selects data from the sensors from one of the instrument sets and a synchroniser, (36) ensures that the output signals from the sensors detecting the same parameter are supplied to a voting logic circuit (40) …
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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.