09049484 is referenced by 3 patents and cites 63 patents.

A remote storage digital video recorder (RS-DVR) system receives a media content file that is stored in a storage architecture of the RS-DVR system. The same stored media content file is assigned to multiple subscribers such that each of the multiple subscribers shares a common identifier that references a single common physical copy of the same stored media content file in the storage architecture of the RS-DVR system.

Title
Efficient assignment of program copies in a network digital video recorder
Application Number
13/837058
Publication Number
9049484 (B2)
Application Date
March 15, 2013
Publication Date
June 2, 2015
Inventor
Joseph Ekstrom
Orem
UT, US
Darren Major
Pleasant Grove
UT, US
Robert Drew Major
Orem
UT, US
Agent
Ingrassia Fisher & Lorenz P C
Assignee
EchoStar Technologies L L C
CO, US
IPC
H04N 5/782
H04N 5/76
G06F 17/30
H04N 21/845
H04N 21/2747
H04N 21/61
H04N 21/4627
H04N 21/41
H04N 21/2343
H04N 21/231
H04N 21/218
H04N 9/80
H04N 5/91
H04N 5/85
G06F 21/62
H04N 21/482
H04N 21/472
H04N 7/16
H04N 7/173
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