Patent ID: 7840978

Claim:
A device for updating a function in a digital broadcasting signal receiver, the device comprising: a storage section which stores data for executing various functions provided to a digital broadcasting receiving section; a program specific information/service information (PSI/SI) extraction section which extracts PSI/SI from a digital broadcasting signal which is received; and a function realization section which identifies a supported function from the digital broadcasting signal according to the PSI/SI and searches the data for executing the supported function from the storage section so that the supported function can be executed in the digital broadcasting receiving section, wherein the various functions are supported by a plurality of digital television broadcasting standards, and the data for executing the various functions are simultaneously stored in the storage section, and the various functions stored in the storage section include preloaded functions of the plurality of digital television broadcasting standards that are stored before the device receives any broadcasting information from a broadcasting service provider, and the various functions define a function database from which supported functions are individually identified and selected therefrom by the function realization section based on the digital television broadcasting standard of a current digital broadcasting signal, wherein the function realization section automatically updates a function list of supported functions provided to the digital broadcasting receiver by automatically adding each function supported by the current digital television broadcasting standard to the function list and automatically deleting each function not supported by the current digital television broadcasting standard from the function list to create an updating function list comprising of each of the supported functions and stores the updating function list in the storage section.