ClassID:

230626

H04N21/44231 - page 3 - CPC Classification

Classification description:

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. set-top-box [STB]; Operations thereof; 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; 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 Monitoring of peripheral device or external card, e.g. to detect processing problems in a handheld device or the failure of an external recording device

Recent Application in this class:
#601
20050081245
2005-04-14

Method and apparatus for determining channel to which a TV or VCR is tuned

#602
20050078219
2005-04-14

Digital video apparatus capable of detecting its status of connection to peripheral apparatus

#603
20050053354
2005-03-10

Audio/video reproducing system, audio/video device therein, and audio/video reproducing method therewith

#604
20050050333
2005-03-03

System and method for secure broadcast

#605
20050047426
2005-03-03

Content transfer

#606
20050027740
2005-02-03

Content information management apparatus and content information management method

#607
20050022110
2005-01-27

Method and apparatus for a home network auto-tree builder

#608
20050021803
2005-01-27

Messaging of arbitrary-length video and audio content

#609
20050021726
2005-01-27

Optimization of quality of service in the distribution of bitstreams

#610
20050018084
2005-01-27

Method and apparatus to display on-screen display user-guide information about status of external device

#611
20050010866
2005-01-13

Method and apparatus for a home network auto-tree builder

#612
20050008074
2005-01-13

Wireless video transmission system

#613
17954398
2024-03-19

Electronic apparatus, remote control apparatus, control method thereof, and electronic system

#614
17115332
2021-11-02

Enhanced set-top box control

#615
16294072
2021-11-16

Systems and methods for personalized feature setup and parental guidance sensing

#616
14886322
2017-03-14

Apparatus, systems and methods for deleting recording timers of a media device

#617
14587496
2019-06-25

Systems and methods for personalized feature setup and parental guidance sensing