Multi-tasking low-power controller
CA 2128393 C · Owner: Centre Electronique Horloger S.A. · Inventors: Perotto, Jean-Felix; Lamothe, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concern a multitasking , controller comprising task storage means (2) for storing up to N task (P0, P1, P2, P3) each comprising a sequence of instructions a, microprocessor for processing, by time-sharing a plurality of said N tasks, and data storage means (12), for storing variable data created and used by said microprocessor. The, microprocessor further comprises a scheduler (7) realised in hardware for controlling the use of said microprocessor by said processes and, program counter storage means for storing N program counters (Pc0, Pc1, Pc2. Pc3) each for use by said scheduler (7)to control the instruction sequence of a separate one of said N processes, so that said …
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
- Filed December 10, 1993 and granted October 2, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 10, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2015.
- 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.