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Software updating system, software updating method, and software updating program

  • US 20040158817A1
  • Filed: 04/05/2004
  • Published: 08/12/2004
  • Est. Priority Date: 03/19/2001
  • Status: Active Grant
First Claim
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1. (Amended) A software updating system for performing version up of software used in a plurality of user terminal device, characterized by comprising:

  • a plurality of file servers storing files for updating software stored in the user terminal device to a new version, and a version information server for storing version information for specifying the new version of the software used in the user terminal device and identification information for specifying one of the plurality of file servers storing files for updating the software to the new version, wherein the version information server transmits the identification information of the file server storing the file used in version up to the user terminal device when the software used in the user terminal device is not the new version, the identification information including information that indicates at least two or more file servers that are classified in accordance with a predetermined condition;

    the user terminal device receives the identification information, and selects one file server to be connected for the version-up based on the received identification information and the predetermined condition that is determined at the time of the version-up;

    the file server transmits the file to be used for the version up to the user terminal device when the user terminal device requests the file;

    either the version information server or the file server stores a list of a file necessary for execution of the software which has been updated to the new version and transmits the information indicating the list to the user terminal device; and

    , in the user terminal device, the information indicating the list are received and a file unnecessary for executing the new version software is deleted on the basis of the received information.

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