Method and apparatus for playbacking optical disc
CA 2564392 C · Owner: Koninklijke Philips Electronics N.V. · Inventors: He, Dahua; Peng, Yang; Jin, Sheng
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method for playing an optical disc. The method comprises the steps: obtaining the description information of the content to be , played; creating a playing file system according to said description information, and then , playing the content to be played according to the playing file system. The content to be , played comprises the content of optical disc and the enhanced content. This invention also , provides an optical disc playing device comprising means for obtaining the , description information of the content to be played; means for creating a playing file system according to , the description information; and a playing engine for accessing and …
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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 April 12, 2005 and granted May 23, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 12, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.