Title of Invention

METHOD AND APPARATUS FOR ENCRYPTING/DECRYPTING MULTIMEDIA CONTENT TO ALLOW RANDOM ACCESS

Abstract A method is disclosed for encrypting a multimedia file including parsing the multimedia file to identify a media data portion; encrypting the media data portion; and, combining the encrypted media data portion with a non-encrypted non-media data portion. A method is also disclosed for playing a multimedia file including parsing the multimedia file to identify an unencrypted metadata portion; using the unencrypted metadata portion to locate a position of interest in the media file, the position of interest having an associated encrypted media data portion; and, decrypting the associated encrypted media data portion. An apparatus for performing the methods is also disclosed herein.
Full Text Embodiments of the invention relate generally to encryption and decryption of multimedia files, and more particularly, to a method and apparatus for encrypting/decrypting multimedia content to allow random access.

Documents:

127-mumnp-2008-abstract(25-1-2008).pdf

127-MUMNP-2008-AUSTRALIAN DOCUMENT(7-12-2011).pdf

127-MUMNP-2008-CHINESE DOCUMENT(7-12-2011).pdf

127-mumnp-2008-claims(25-1-2008).pdf

127-MUMNP-2008-CLAIMS(AMENDED)-(21-2-2014).pdf

127-MUMNP-2008-CLAIMS(AMENDED)-(7-6-2012).pdf

127-MUMNP-2008-CLAIMS(MARKED COPY)-(21-2-2014).pdf

127-MUMNP-2008-CLAIMS(MARKED COPY)-(7-6-2012).pdf

127-MUMNP-2008-CORRESPONDENCE(10-1-2014).pdf

127-MUMNP-2008-CORRESPONDENCE(12-9-2012).pdf

127-MUMNP-2008-CORRESPONDENCE(14-7-2011).pdf

127-MUMNP-2008-CORRESPONDENCE(18-4-2012).pdf

127-MUMNP-2008-CORRESPONDENCE(2-11-2011).pdf

127-MUMNP-2008-CORRESPONDENCE(20-5-2011).pdf

127-MUMNP-2008-CORRESPONDENCE(20-9-2010).pdf

127-MUMNP-2008-CORRESPONDENCE(21-4-2011).pdf

127-MUMNP-2008-CORRESPONDENCE(23-7-2013).pdf

127-mumnp-2008-correspondence(25-4-2008)).pdf

127-MUMNP-2008-CORRESPONDENCE(26-5-2011).pdf

127-MUMNP-2008-CORRESPONDENCE(27-5-2011).pdf

127-MUMNP-2008-CORRESPONDENCE(5-10-2012).pdf

127-mumnp-2008-description(complete)-(25-1-2008).pdf

127-mumnp-2008-drawing(25-1-2008).pdf

127-MUMNP-2008-DRAWING(7-12-2011).pdf

127-MUMNP-2008-ENGLISH TRANSLATION(20-5-2011).pdf

127-MUMNP-2008-EP DOCUMENT(7-12-2011).pdf

127-MUMNP-2008-FORM 1(12-9-2012).pdf

127-mumnp-2008-form 1(25-1-2008).pdf

127-MUMNP-2008-FORM 1(7-12-2011).pdf

127-MUMNP-2008-FORM 13(12-9-2012).pdf

127-mumnp-2008-form 18(29-1-2008).pdf

127-mumnp-2008-form 2(25-1-2008).pdf

127-mumnp-2008-form 2(title page)-(25-1-2008).pdf

127-mumnp-2008-form 26(25-1-2008).pdf

127-MUMNP-2008-FORM 26(7-12-2011).pdf

127-MUMNP-2008-FORM 3(20-9-2010).pdf

127-MUMNP-2008-FORM 3(21-4-2011).pdf

127-mumnp-2008-form 3(25-1-2008).pdf

127-MUMNP-2008-FORM 3(7-12-2011).pdf

127-mumnp-2008-form 5(25-1-2008).pdf

127-MUMNP-2008-JP DOCUMENT(18-4-2012).pdf

127-MUMNP-2008-KOREA DOCUMENT(7-12-2011).pdf

127-MUMNP-2008-OFFICE ACTION(27-5-2011).pdf

127-MUMNP-2008-OTHER DOCUMENT(2-11-2011).pdf

127-MUMNP-2008-OTHER DOCUMENT(23-7-2013).pdf

127-MUMNP-2008-OTHER DOCUMENT(26-5-2011).pdf

127-MUMNP-2008-OTHER DOCUMENT(5-10-2012).pdf

127-MUMNP-2008-PETITION UNDER RULE 137(7-12-2011).pdf

127-MUMNP-2008-REPLY TO EXAMINATION REPORT(7-12-2011).pdf

127-MUMNP-2008-REPLY TO EXAMINATION REPORT(7-6-2012).pdf

127-MUMNP-2008-REPLY TO HEARING(21-2-2014).pdf

127-MUMNP-2008-RUSSIAN DOCUMENT(7-12-2011).pdf

127-MUMNP-2008-SINGAPORE DOCUMENT(7-12-2011).pdf

127-MUMNP-2008-TAIWAN DOCUMENT(7-12-2011).pdf

127-MUMNP-2008-US DOCUMENT(7-12-2011).pdf

127-mumnp-2008-wo international publication report(25-1-2008).pdf

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Drawings.pdf

Form-1.pdf

Form-3.pdf

Form-5.pdf


Patent Number 259376
Indian Patent Application Number 127/MUMNP/2008
PG Journal Number 11/2014
Publication Date 14-Mar-2014
Grant Date 11-Mar-2014
Date of Filing 25-Jan-2008
Name of Patentee QUALCOMM INCORPORATED
Applicant Address 5775 Morehouse Drive San Diego California 92121 United States of America
Inventors:
# Inventor's Name Inventor's Address
1 WINGERT, CHRISTOPHER 13855 Mira Montana Drive Del Mar California 92014 (US).
2 AGGARWAL, POOJA 4663 Torrey Circle #h202 San Diego California 92130 (US).
PCT International Classification Number H04N7/24
PCT International Application Number PCT/US2006/027461
PCT International Filing date 2006-07-12
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 11/182,088 2005-07-14 U.S.A.