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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H04N 21/61

Network physical structure; Signal processing (H04B takes precedence)

Introduced: January 2011

Title

Titles differ between systems:

IPC: Network physical structure; Signal processing

CPC: Network physical structure; Signal processing (H04B takes precedence)

Full Title

Full titles differ between systems:

IPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] > Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client; Communication details between server and client > Network physical structure; Signal processing

CPC:

Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 ) > Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client ; Communication details between server and client > Network physical structure; Signal processing (H04B takes precedence)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

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