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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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H04N21/85
Assembly of content; Generation of multimedia applications
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H04N21/854
Content authoring
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H04N21/85403
by describing the content as an MPEG-21 Digital Item
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