229879 ⎘
Television systems; Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal Control of the passage of the selected programme
Sub-classes:Temporally-seamless channel change functionality in multichannel streaming environments
#2Temporally-seamless channel change functionality in multichannel streaming environments
#3Automatic sensing RF combiner
#4Temporally-seamless channel change functionality during multichannel streaming sessions
#5Determination of a service office of a media content distribution system to record a media content item with a network recorder
#6SYSTEM FOR SYNCHRONIZING CONTENT TRANSMITTED TO A DIGITAL TV RECEIVER WITH MULTIPLE PORTABLE DEVICES WITH OR WITHOUT INTERNET ACCESS
#7Method and system for auxiliary data detection and delivery
#8Methods and apparatus for content caching in a video network
#9Method for allocating a data stream in a system comprising at least one service for broadcasting data streams and at least two terminals
#10Method and system for auxiliary data detection and delivery
#11Interactive television targeted message system
#12Broadcast area identification and content distribution
#13Method and system for auxiliary data detection and delivery
#14AUTHENTICATED PROGRAM EXECUTION METHOD
#15Method and system for auxiliary data detection and delivery
#16METHODS AND SYSTEMS TO PERSONALIZE CONTENT STREAMS
#17Content receiver and content transmitter
#18Interactive television targeted message system
#19Authenticated program execution method
#20INTERACTIVE SPECIAL EVENTS VIDEO SIGNAL NAVIGATION SYSTEM
#21SYSTEM FOR AND METHOD OF PROVIDING IPTV SERVICE IN NEXT GENERATION NETWORK
#22METHOD AND APPARATUS FOR AUTOMATIC CHANNEL SWITCHING FOR IPTV
#23Universal methods and device for hand-held promotional opportunities
#24Intelligent electronic program guide
#25Methods and apparatus for content caching in a video network
#26Broadcast program scene notification system
#27Content transmission apparatus, content reception apparatus, and content transmission/reception system
#28VIDEO INTERFACING AND DISTRIBUTION SYSTEM AND METHOD FOR DELIVERING VIDEO PROGRAMS
#29Control method and control equipment
#30System and method of providing targeted advertisements
#31Methods, Apparatus and Computer Program Products for Audience-Adaptive Control of Content Presentation Based on Sensed Audience Attentiveness
#32Methods and systems for cable-connection detection
#33Amalgamation of user data for geographical trending
#34Method and system for configuring media-playing sets
#35Universal methods and device for hand-held promotional opportunities
#36Method and apparatus for receiving and displaying coupon information
#37Integrating personalized listings of media content into an electronic program guide
#38Interactive television targeted message system
#39Information receiving device and its method, and information transmission device and its method
#40Presenting programs
#41Method and system for detecting and preventing unauthorized signal usage in a content delivery network
#42Broadcast program scene notification system
#43Triple-tap password entry
#44System and method for audiovisual display settings
#45Interactive television channel
#46Content receiver and content transmitter
#47Interactive television targeted message system
#48Methods, systems and storage medium for managing digital rights of segmented content
#49Program data file storage method in broadcast receiver and broadcast receiver
#50Authenticated program execution method
#51System for interactive television
#52Remote control protocol for a local action to generate a command message
#53Temporally-seamless channel change functionality during multichannel streaming sessions