H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
H04N21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/00
Selective content distribution, e.g. interactive television or video on demand [VOD]
H04N21/40
Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
H04N21/40
Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof