System and method for generating and playback of three-dimensional movies
CA 2300529 A1 · Owner: Deering, Michael F. · Inventors: Deering, Michael F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for generating and playing back three-dimensional (3D) movies are disclosed. The system is capable of partially rendering frames without relying, upon exact viewpoint information. The partially rendered frames may be rendered to the, extent possible without performing viewpoint-dependent processes and then , compressed, and stored to a carrier medium. To reduce the amount of data to be stored the , viewer's, possible viewpoints may be restricted (e.g. by defining a viewpoint-limiting volume or, region). The resulting partially-rendered geometry data may be compressed using, geometry compression. During playback the compressed frames are read as a , stream and …
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 March 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 13, 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.