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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04N 21/84

Generation or processing of descriptive data, e.g. content descriptors

Introduced: January 2011

Full Title

Full titles differ between systems:

IPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] > Generation or processing of content or additional data by content creator independently of the distribution process; Content > Generation or processing of protective or descriptive data associated with content; Content structuring > Generation or processing of descriptive data, e.g. content descriptors

CPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Generation or processing of content or additional data by content creator independently of the distribution process; Content per se > Generation or processing of protective or descriptive data associated with content; Content structuring > Generation or processing of descriptive data, e.g. content descriptors

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2011.

Child Classifications

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