INFORMATION PROVIDING DEVICE, INFORMATION DISPLAY DEVICE, INFORMATION PROVIDING SYSTEM, INFORMATION PROVIDING METHOD, PROGRAM, AND COMPUTER-READABLE STORAGE MEDIUM HAVING PROGRAM STORED THEREIN

摘要

A sidebar providing server (2) of the present invention includes: a service data cache processing section (66) that stores service setting data transmitted from a digital television (1) in a service setting data storage section (95); a request message analysis section (70) that receives display information indicating, for each service, whether or not to display an object showing a brief description of the service on the digital television (1); a service setting data updating section (68) that updates, at the time when the display information is received, service setting data, so that (i) the object indicated to be displayed is displayed and (ii) the object indicated not to be displayed is not displayed; and a display data generation section (63) that transmits, to the digital television (1), the display data (7) generated based on the service setting data in response to a request from the digital television (1).