Patent ID: 9176724
Filing Date: 2015-11-03
Classification: G06F,H04N

Abstract:
1. A method executed by a processor for updating firmware of a set-top box in a digital broadcast system, comprising: storing a public Code Version Table (CVT) that has been previously received; determining whether a newly received CVT following the public CVT is either a public CVT or a filtering CVT; if the newly received CVT is the public CVT, determining whether the newly received CVT is identical to the stored CVT, and updating the firmware with a public firmware indicated by the newly received CVT if the newly received CVT is identical to the stored CVT; if the newly received CVT is the filtering CVT, updating the firmware of the set-top box with a filtering firmware indicated by the filtering CVT, wherein the public CVT is a CVT carrying information on the firmware for all the set-top boxes, and the filtering CVT is a CVT carrying information on the firmware targeted to a specific set-top box.