Source: http://www.google.com/patents/US8140859?dq=%223do%22+dna
Timestamp: 2014-07-13 00:53:07
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Matched Legal Cases: ['Application No. 2001', 'Application No. 01', 'application No. 01117556', 'Application No. 02789164', 'application No. 01117556', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'Application No. 01', 'application No. 2001', 'Application No. 2001', 'Application No. 2001', 'Application No. 2007', 'Application No. 2001', 'Application No. 2001', 'Application No. 2001', 'Application No. 2001', 'Application No. 2001', 'Application No. 2005', 'Application No. 2001', 'Application No. 2003', 'Application No. 2001', 'Application No. 2007', 'application No. 2001']

Patent US8140859 - Secure storage and replay of media programs using a hard-paired receiver and ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA method and apparatus for storing and retrieving program material for subsequent replay is disclosed. The method comprises the steps of receiving a data stream comprising the program material encrypted according to a first encryption key, decrypting the program material; re-encrypting the program material...http://www.google.com/patents/US8140859?utm_source=gb-gplus-sharePatent US8140859 - Secure storage and replay of media programs using a hard-paired receiver and storage deviceAdvanced Patent SearchPublication numberUS8140859 B1Publication typeGrantApplication numberUS 09/620,833Publication dateMar 20, 2012Filing dateJul 21, 2000Priority dateJul 21, 2000Also published asDE60134820D1, EP1175096A2, EP1175096A3, EP1175096B1, EP1175096B8, US20070118770, US20120155837Publication number09620833, 620833, US 8140859 B1, US 8140859B1, US-B1-8140859, US8140859 B1, US8140859B1InventorsRaynold M. Kahn, Gregory J. Gagnon, David D. Ha, Peter M. Klauss, Christopher P. Curren, Thomas H. JamesOriginal AssigneeThe Directv Group, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (107), Non-Patent Citations (94), Referenced by (3), Classifications (14), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetSecure storage and replay of media programs using a hard-paired receiver and storage deviceUS 8140859 B1Abstract A method and apparatus for storing and retrieving program material for subsequent replay is disclosed. The method comprises the steps of receiving a data stream comprising the program material encrypted according to a first encryption key, decrypting the program material; re-encrypting the program material according to a second encryption key; and storing the re-encrypted material in a media storage device. The program material is played back by retrieving the re-encrypted material from the media storage device and decrypting the re-encrypted program material. In one embodiment, the second encryption key is derived from metadata describing replay rights. In a further embodiment, the media storage device also stores the second encryption key which has been further encrypted by a key that is unique to the device used to receive the program material.
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Dulac, Final Rejection dated Oct. 10, 2007.93Wanjiun Liao et al., The Split and Merge Protocol for Interactive Video-On-Demand, IEEE MultiMedia, Oct.-Dec. 1997, vol. 4, No. 4, index and pp. 51-62.94Yongchen Li, et al., Security Enchanced MPEG Player, IEEE, 1996, pp. 169-175.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8677152Jul 14, 2008Mar 18, 2014The Directv Group, Inc.Method and apparatus for encrypting media programs for later purchase and viewingUS20070036516 *Aug 10, 2006Feb 15, 2007The Directtv Group, Inc.Secure delivery of program content via a removable storage mediumUS20120155837 *Feb 22, 2012Jun 21, 2012The Directv Group, Inc.Secure storage and replay of media programs using a hard-paired receiver and storage device* Cited by examinerClassifications U.S. Classification713/193, 380/277, 380/278, 380/284International ClassificationH04N5/91, H04L9/14, H04L9/08, H04N5/913, G11B20/10, H04N7/167, G06F9/00Cooperative ClassificationH04N5/913, H04N2005/91364European ClassificationH04N5/913Legal EventsDateCodeEventDescriptionAug 16, 2011ASAssignmentOwner name: THE DIRECTV GROUP, INC., CALIFORNIAFree format text: CHANGE OF NAME;ASSIGNOR:HUGHES ELECTRONICS CORPORATION;REEL/FRAME:026759/0439Effective date: 20040316Nov 14, 2000ASAssignmentOwner name: HUGHES ELECTRONICS CORPORATION, CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KAHN, RAYNOLD M.;GAGNON, GREGORY J.;HA, DAVID D.;AND OTHERS;REEL/FRAME:011288/0245Effective date: 20000824RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google