H04N 21/40 Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
Introduced: January 2011
Title
Titles differ between systems:
IPC: Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB [set-top-box]; Operations thereof
CPC: Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
Full Title
Full titles differ between systems:
Selective content distribution, e.g. interactive television or video on demand [VOD] > Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB [set-top-box]; Operations thereof
Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2011.
Child Classifications
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- H04N 21/41 Structure of client; Structure of client peripherals since 2011 +1 CPC IPC+CPC Available in IPC and CPC
- H04N 21/43 Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware since 2011 +1 CPC IPC+CPC Available in IPC and CPC
- H04N 21/45 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 since 2011 +1 CPC IPC+CPC Available in IPC and CPC