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1. WO2002021840 - SYNCHRONIZING A CLIENT WITH A MEDIA SIGNAL

Publication Number WO/2002/021840
Publication Date 14.03.2002
International Application No. PCT/US2001/028246
International Filing Date 10.09.2001
Chapter 2 Demand Filed 08.04.2002
IPC
H04N 5/00 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
5Details of television systems
H04N 7/088 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
08Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band
087with signal insertion during the vertical blanking interval
088the inserted signal being digital
H04N 7/173 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
16Analogue secrecy systems; Analogue subscription systems
173with two-way working, e.g. subscriber sending a programme selection signal
H04N 7/24 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
24Systems for the transmission of television signals using pulse code modulation
H04N 7/16 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
16Analogue secrecy systems; Analogue subscription systems
CPC
H04N 21/235
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
23Processing of content or additional data; Elementary server operations; Server middleware
235Processing of additional data, e.g. scrambling of additional data or processing content descriptors
H04N 21/4307
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing 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
4302Content synchronisation processes, e.g. decoder synchronisation
4307Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
H04N 21/435
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing 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
435Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
H04N 21/443
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing 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
443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
H04N 21/4532
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
4508Management of client data or end-user data
4532involving end-user characteristics, e.g. viewer profile, preferences
H04N 21/454
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
454Content ; or additional data; filtering, e.g. blocking advertisements
Applicants
  • WEBCHOICE. COM [US]/[US]
Inventors
  • SOLVASON, Ivan
Priority Data
09/657,49308.09.2000US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYNCHRONIZING A CLIENT WITH A MEDIA SIGNAL
(FR) SYNCHRONISATION D'UN CLIENT AVEC UN SIGNAL MEDIA
Abstract
(EN)
A method of synchronizing a client with a media signal includes receiving one or more actions corresponding to the media singal, determining an application for handling the actions, and causing the determined application to handle the actions.
(FR)
L'invention concerne un procédé de synchronisation d'un client avec un signal média. Ce procédé consiste à recevoir une ou plusieurs action(s) correspondant au signal média, déterminer une application pour manipuler les actions et amener l'application déterminée à manipuler des actions.
Also published as
Latest bibliographic data on file with the International Bureau