Utilization of relational metadata in a television system
CA 2462770 A1 · Owner: Pierre, Ludovic · Inventors: Pierre, Ludovic; Hensgen, Debra; Szymanski, Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and mechanism for delivering and processing relational metadata in a television system. A client is configured to receive a broadcast signal and relational metadata which corresponds to received programming. The received relational metadata includes information which identifies two sets of data and a relationship between them. Upon identifying the data indicated by the relational metadata and determining the indicated relationship the client is , configured to perform a predetermined action which corresponds to the received relational metadata and the identified data sets. The receiver includes or is , coupled to, a mass storage device configured to store received relational …
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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 October 9, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 9, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 9, 2024.
- 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
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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.