Method and apparatus for efficiently descrambling transformed part of content
CA 2552151 C · Owner: Nam, Su-Hyun · Inventors: Nam, Su-Hyun; Choi, Yun-Ho; Chung, Hyun-Kwon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided are a method and apparatus for effectively descrambling scrambled content. The , method includes checking descrambling information for a program map table (PMT) packet of , packets constituting the content the descrambling information being used to descramble a , transformed part of the content; extracting location information of a next PMT packet containing , descrambling data for descrambling the transformed part of the content from the descrambling , information of the PMT packet; and descrambling the transformed part of the content by using , the descrambling data in the next PMT packet indicated by the extracted location information. , Accordingly, it is possible to …
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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 July 18, 2006 and granted August 23, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 18, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.