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Control system communication server for transmitting files via multiple communication paths

  • US 6,760,760 B1
  • Filed: 06/07/2000
  • Issued: 07/06/2004
  • Est. Priority Date: 06/09/1999
  • Status: Expired due to Term
First Claim
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1. A method of communicating with a control system, comprising the steps of:

  • sending a download request from a client application to a communication server over a first communication path, the request respectively identifying a file to be downloaded, a download time, a second communication path, and a destination control system;

    transmitting the file to be downloaded from the client application to the communication server over the first communication path;

    downloading the file from the communication server to the destination control system at the requested time over the identified second communication path;

    notifying the client application by the communication server and the first communication path that the file download is completed;

    sending an upload request from the client application to the communication server over the first communication path, the request respectively specifying a file to be uploaded, a second communication path, and an origination control system;

    uploading the specified file from the origination control system over the specified second communication path to the communication server, said specified file having an associated file application;

    notifying the client application by the communication server that the file upload is completed; and

    transferring the specified file from the communication server to the client application when initiated by the file application.

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