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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H04N21/40
Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
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H04N21/45
Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
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H04N21/454
Content; or additional data; filtering, e.g. blocking advertisements
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H04N21/4545
Input to filtering algorithms, e.g. filtering a region of the image
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