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Downloading software from a server to a client

  • US 6,259,442 B1
  • Filed: 11/09/1999
  • Issued: 07/10/2001
  • Est. Priority Date: 06/03/1996
  • Status: Expired due to Term
First Claim
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1. In a computer system that includes a plurality of client systems and a plurality of server systems, all interconnected by a network infrastructure, wherein the plurality of server systems provide access to sites storing Web pages or other data, and wherein one or more of the client systems comprises a conventional television monitor and set-top box having a processing system that includes program instructions used in the operation of the one or more client systems, such as in retrieving data from said sites, a method of restoring a corrupted portion of the program instructions at the client system, wherein the restoring occurs automatically and without user intervention, the method comprising the client system performing the following steps:

  • during initialization, checking the validity of system program instructions at the client system and thereafter checking the validity of application program instructions at the client system;

    determining that a corrupted state exists in at least a portion of any of the checked program instructions;

    in response to determining that the corrupted state exists, connecting the client system to one of the server systems or sites that contains a replacement for the corrupted portion of the program instructions;

    receiving the replacement from said one of the server systems or sites; and

    replacing the corrupted portion of the program instructions with the replacement.

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