Methods, apparatus, and systems for storing, retrieving and playing multimedia data
CA 2384674 C · Owner: Interactive Channel Technologies, Inc. · Inventors: Scheyen, Peter G. N.; Mcrae, Paul E.; Boucher, Antoine
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Various embodiments of the invention provide increased speed and decreased computer processing for playing and navigating multimedia content by using two types of data objects for displaying the multimedia content. The first data object , type includes rendered multimedia content data for a rendered cache or , rendering , instructions for a paint stream cache or a layout cache. The second data object , type provides semantic content corresponding to the rendered multimedia content. , The storage medium in which these two types of data objects are contained is referred to as a rendered cache. The very fast play of content stored in the rendered cache is due to the elimination of 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 September 7, 2000 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 7, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 7, 2022.
- 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.