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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H04N21/80
Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
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H04N21/81
Monomedia components thereof
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H04N21/8126
involving additional data, e.g. news, sports, stocks, weather forecasts
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H04N21/8133
specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video programme
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