Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
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H04N21/20
Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
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H04N21/23
Processing of content or additional data; Elementary server operations; Server middleware
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H04N21/238
Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
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H04N21/2389
Multiplex stream processing, e.g. multiplex stream encrypting
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H04N21/23892
involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
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