Embedded control technique for distributed control apparatus
CA 2016344 C · Owner: Alcatel Network Systems, Inc. · Inventors: Thorne, Hal. A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A control method and apparatus for an electronic system having a plurality of functional elements both, intelligent and non-intelligent, interconnected by a plurality of time-division multiplexed serial data links, wherein information is normally conveyed in time slots on the data links. Control information is exchanged between the elements by using one or more of said time slots as control channels for all control information. The format of the control information is compatible with both the intelligent elements and nonintelligent elements. The control information format includes a plurality of bits for providing command data, a plurality of address bits, a valid bit to indicate that the …
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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 9, 1990 and granted May 17, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 9, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 9, 2012.
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Timeline
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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.