A navigation device that allows a user to quickly navigate a television environment that provides multiple services, features and options. The navigation device of the present invention is a graphical user interface and minimum of commands from a remote control to navigate through the services provided....http://www.google.es/patents/US20040070628?utm_source=gb-gplus-sharePatente US20040070628 - On-screen user interface device
Número de solicitud: 10/464,312 Número de publicación: US 2004/0070628 A1 Fecha de presentación: 18 Jun 2003 Patente emitida: US7607107 ( Fecha de emisión 20 Oct 2009)
