| Title of Invention | A METHOD AND AN APPARATUS FOR GENERATING AN ENCRYPTED STREAM OF VIDEO INFORMATION |
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| Abstract | An encrypted stream of video information (20) contains first video frames (22) and second video frames which are accessible and not accessible during trick play respectively. From a source stream encrypted that is for decryption with repeatedly changing control words sections of the stream are identified where respective first ones of the frames occur in the stream. Control words for decryption (24) are included in the stream. At least part of the control words are included in the stream at positions selected synchronized to the identified sections. |
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1826-CHENP-2005 CORRESPONDENCE OTHERS.pdf
1826-CHENP-2005 CORRESPONDENCE PO.pdf
1826-CHENP-2005 DESCRIPTION (COMPLETE) GRANTED.pdf
1826-CHENP-2005 POWER OF ATTORNEY.pdf
| Patent Number | 237979 | ||||||||||||
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| Indian Patent Application Number | 1826/CHENP/2005 | ||||||||||||
| PG Journal Number | 4/2010 | ||||||||||||
| Publication Date | 22-Jan-2010 | ||||||||||||
| Grant Date | 15-Jan-2010 | ||||||||||||
| Date of Filing | 04-Aug-2005 | ||||||||||||
| Name of Patentee | KONINKLIJKE PHILIPS ELECTRONICS N.V. | ||||||||||||
| Applicant Address | Groenewoudseweg 1, NL-5621 BA Eindhoven | ||||||||||||
Inventors:
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| PCT International Classification Number | G11B 20/00 | ||||||||||||
| PCT International Application Number | PCT/IB2004/050039 | ||||||||||||
| PCT International Filing date | 2004-01-20 | ||||||||||||
PCT Conventions:
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