| US 7,464,271 B2 | ||
| Systems and methods of providing content protection for digital video products | ||
| Brian David Lakamp, Malibu, Calif. (US); and David Clifford Blight, Oceanside, Calif. (US) | ||
| Assigned to Sony Corporation, Tokyo (Japan); and Sony Pictures Entertainment Inc., Culver City, Calif. (US) | ||
| Filed on Jan. 28, 2005, as Appl. No. 11/46,472. | ||
| Claims priority of provisional application 60/615898, filed on Oct. 04, 2004. | ||
| Prior Publication US 2006/0075243 A1, Apr. 06, 2006 | ||
| Int. Cl. H04L 9/00 (2006.01); H04N 7/167 (2006.01) | ||
| U.S. Cl. 713—176 [380/200; 380/201] | 31 Claims |
| 1. A method comprising:
inserting a digital watermark into an image file, wherein said digital watermark includes a unique identification code;
associating said unique identification code with an intended recipient;
storing information in a database representative of said association between the unique identification code and said intended
recipient;
encrypting said image file; and
copying said image file to a digital video product.
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