General electronic program information described on a general level and individual electronic program information described on an individual level are prepared according to electronic program information of a channel service of a broadcast service provider for each channel service according to electronic...http://www.google.co.uk/patents/US7594247?utm_source=gb-gplus-sharePatent US7594247 - Method and apparatus for preparing and transmitting electronic program information and apparatus for producing electronic program guide from the electronic program information
Method and apparatus for preparing and transmitting electronic program ...
