US 12,294,761 B2
Distributing digital cinema package (DCP) over internet
Prem Akkaraju, Los Angeles, CA (US)
Assigned to SR LABS, INC., West Hollywood, CA (US)
Filed by SR Labs, Inc., West Hollywood, CA (US)
Filed on Sep. 15, 2023, as Appl. No. 18/368,853.
Application 18/368,853 is a continuation of application No. 18/318,490, filed on May 16, 2023, granted, now 12,120,383.
Application 18/318,490 is a continuation of application No. 17/202,694, filed on Mar. 16, 2021, granted, now 11,849,175.
Application 17/202,694 is a continuation of application No. 17/008,134, filed on Aug. 31, 2020, granted, now 11,695,983.
Prior Publication US 2024/0015360 A1, Jan. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 21/4367 (2011.01); H04N 21/435 (2011.01)
CPC H04N 21/4367 (2013.01) [H04N 21/4353 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a client-side digital content delivery device, an encrypted digital cinema package (DCP) for a digital movie, the encrypted DCP received from a digital content delivery system that is remote to the client-side digital content delivery device, the encrypted DCP including a first persistent unique digital watermark antecedently applied to the encrypted DCP by the digital content delivery system;
receiving from the digital content delivery system, a first authenticated unique identifier antecedently loaded onto the digital content delivery system, the first authenticated unique identifier corresponding with a first display device paired to the client-side digital content delivery device;
receiving, by the client-side digital content delivery device, a first Key Delivery Message (KDM) corresponding with the encrypted DCP and the first display device paired to the client-side digital content delivery device, the first KDM including a key for decrypting the encrypted DCP;
accessing a unique device identifier corresponding with the first display device, including comparing the unique device identifier with the first authenticated unique identifier;
decrypting, based on the comparison of the unique device identifier with the first authenticated unique identifier and by the client-side digital content delivery device, the encrypted DCP using the key included in the first KDM; and
using the decrypted DCP to cause presentation of the digital movie according to the first KDM and by the first display device paired to the client-side digital content delivery device,
wherein using the decrypted DCP to cause presentation of the digital movie by the display device comprises:
applying a client-side digital watermark to data included in the DCP, yielding watermarked presentation data, the client-side digital watermark including first session data associated with the presentation of the DCP; and
transmitting the watermarked presentation data to the display device.