×

Data-update monitoring in communications network

  • US 6,249,817 B1
  • Filed: 01/07/1999
  • Issued: 06/19/2001
  • Est. Priority Date: 04/30/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A data-update monitor server connected to a server via a network for monitoring update of specific data stored in said server via said network and transferring information obtained as a result of the update monitor to a client, said data-update monitor server comprising:

  • storage means for storing the specific data;

    access means for accessing said server based on information that represents an address of the specific data and is given by said client;

    update checking means for, when said access means accesses said server, checking update of the specific data;

    difference data specifying means for, when it is determined that the specific data have been updated as a result of the update check by said update checking means, specifying a non-coincident portion of updated specific data transmitted from said server and received by said access means, which does not coincident with the non-updated specific data stored in said storage means, as difference data; and

    transfer means for transferring specific information included in the specified difference data to said client.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×