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
H04N21/43
Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
H04N21/43
Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
H04N21/442
Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
H04N21/442
Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
H04N21/44204
Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
H04N21/44204
Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched