H04N 21/00 Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 )
Introduced: January 2011
Title
Titles differ between systems:
IPC: Selective content distribution, e.g. interactive television or video on demand [VOD]
CPC: Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 )
Full Title
Full titles differ between systems:
Selective content distribution, e.g. interactive television or video on demand [VOD]
Selective content distribution, e.g. interactive television or video on demand [VOD] (real-time bi-directional transmission of motion video data H04N7/14 )
Additional Content IPC
Glossary
Additional data Non-streaming, non-audio or -video information, e.g. metadata, content descriptors, URLs of interest in connection with the audio or video content Client clients Device located at the user-end, interacting with a server to request, receive and process video content Server Servers Host system dedicated to the provision of video content STB Set-top-box User users Person who views video content VOD Video On Demand
Limiting references
Real-time bi-directional transmission of motion video data
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2011.
Child Classifications
Navigate with arrow keys, Enter to open
- H04N 21/20 Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof since 2011 IPC+CPC Available in IPC and CPC
- H04N 21/40 Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof since 2011 IPC+CPC Available in IPC and CPC
- H04N 21/60 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 since 2011 IPC+CPC Available in IPC and CPC
- H04N 21/80 Generation or processing of content or additional data by content creator independently of the distribution process; Content per se since 2011 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H04,2013–2023, worldwide · Source: EPO PATSTAT
- QUALCOMM US 97,396
- HUAWEI TECHNOLOGIES COMPANY CN 96,502
- SAMSUNG ELECTRONICS COMPANY KR 86,981
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- HUAWEI TECHNOLOGIES COMPANY 55,349
- LG ELECTRONICS KR 53,649
- CANON 33,341
- SONY CORPORATION JP 32,761
- ZTE CORPORATION CN 32,274
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327
Top Applicants (CPC)
Class H04,2013–2023, worldwide · Source: EPO PATSTAT
- HUAWEI TECHNOLOGIES COMPANY CN 101,476
- QUALCOMM US 101,139
- SAMSUNG ELECTRONICS COMPANY KR 96,655
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- LG ELECTRONICS KR 55,253
- HUAWEI TECHNOLOGIES COMPANY 54,181
- SONY CORPORATION JP 35,309
- ZTE CORPORATION CN 32,950
- INTEL CORPORATION US 27,533
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498