H04N 21/4786 e-mailing
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 > End-user applications > Supplemental services, e.g. displaying phone caller identification or shopping application > e-mailing
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 > End-user applications > Supplemental services, e.g. displaying phone caller identification, shopping application > e-mailing
No child classifications to compare. This is a leaf node in both IPC and CPC.