H04N 21/41 Structure of client; Structure of client peripherals
Introduced: January 2011
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 > Structure of client; Structure of client peripherals
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 > Structure of client; Structure of client peripherals
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2011.
Child Classifications
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- H04N 21/414 Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance since 2011 +3 CPC IPC+CPC Available in IPC and CPC
- H04N 21/418 External card to be used in combination with the client device, e.g. for conditional access since 2011 +4 CPC IPC+CPC Available in IPC and CPC
- H04N 21/422 Input-only peripherals , e.g. global positioning system [GPS] since 2011 +4 CPC IPC+CPC Available in IPC and CPC
- H04N 21/426 Internal components of the client (H04N5/44 takes precedence) since 2011 +7 CPC IPC+CPC Available in IPC and CPC