FIRMWARE UPDATE METHOD AND APPARATUS OF SET-TOP BOX FOR DIGITAL BROADCAST SYSTEM

• US 20110126182A1
• Filed: 11/23/2010
• Published: 05/26/2011
• Est. Priority Date: 11/26/2009
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: KWAK, Jae Hwan
• Granted Patent: US 9,176,724 B2
• Time in Patent Office: Days
• US Class Current: 717/168
• CPC Class Codes: G06F 8/65 Updates security arrangements therefor G06F21/57
• CPC Class Codes: H04N 21/4432 Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server resetting in general G06F1/14; program loading or initiating in general G06F9/445; bootstrapping in general G06F9/4401; secure boots of computer platforms G06F21/57
• CPC Class Codes: H04N 21/4586 Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally deployment, distribution, installation, update of software G06F8/65; error detection or correction of the data by redundancy during software upgrading G06F11/1433; arrangements for updating broadcast information or broadcast-related information H04H60/25

Abstract

A firmware update method and apparatus of a set-top box for a digital broadcast system is provided. A firmware update method of a set-top box for a digital broadcast system includes determining whether a newly received Code Version Table (CVT) following a public CVT which has been previously received and stored is the public CVT or a filtering CVT; and updating, when the newly received CVG is the filtering CVT, the firmware of the set-top box with a filtering firmware indicated by the filtering CVT.

Claims

1. A method for updating firmware of a set-top box in a digital broadcast system, comprising:

determining whether a newly received Code Version Table (CVT) following a public CVT which has previously been received and stored is either a public CVT or a filtering CVT; and

updating, when the newly received CVT is the filtering CVT, the firmware of the set-top box with a filtering firmware indicated by the filtering CVT.

2. The method of claim 1, wherein updating the firmware comprises:

updating, when a firmware file indicated by the newly received CVT differs from a previously installed firmware of the set-top box, the firmware with the filtering firmware indicated by the newly received firmware.

3. The method of claim 1, further comprising:

determining, when the newly received CVT is the public CVT, whether the newly received CVT is identical to the previously stored CVT; and

updating, when the newly received CVT is identical to the previously stored CVT, the firmware with a public firmware indicated by the newly received CVT or temporarily stored CVT.

4. The method of claim 3, wherein updating the firmware with a public firmware comprises:

updating, when the newly received CVT differs from the previously installed firmware of the set-top box, the firmware of the set-top box with the public firmware indicated by the newly received CVT.

5. An apparatus for updating firmware of a set-top box in a digital broadcast system, comprising:

a Code Version Table (CVT) receiver which receives a CVT;

a CVT processor which determines whether a newly received CVT following a public CVT previously received and stored is the public CVT or a filtering CVT and outputs, when the newly received CVT is the filtering CVT, the newly received filtering CVT;

a firmware receiver which receives a firmware file indicated by the CVT output by the CVT processor; and

a firmware updater which updates the firmware of the firmware with the received firmware file.

6. The apparatus of claim 5, wherein the CVT processor outputs, when the newly received CVT is the public CVT and is identical to the temporarily stored CVT, the newly received CVT.

7. The apparatus of claim 5, wherein the CVT processor initializes, after outputting the newly received CVT, the set-top box by deleting the temporarily stored CVT.

8. The apparatus of claim 5, wherein the CVT processor outputs, when the newly received CVT is not identical to the previously installed firmware of the set-top box, the newly received CVT.