Accounting in an image transmission system based on a...
Addressable CATV end-user payment collection management system
Audiovisual reproduction system
Card-based and independent server-based billing and...
Intelligent digital audiovisual playback system
Internet-based video ordering system and method
Method and device for routing of specific data, particularly...
Method and device for routing of specific data, particularly...
Method of operating an apparatus intended to permit access...
Method of operating an apparatus intended to permit access...
Method of sharing an item rental account
Smart card chaining in pay television systems
Stored program pay-per-play
Stored program pay-per-play
Trusted transactional set-top box