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Proxy servers in device identification systems

  • US 9,137,630 B2
  • Filed: 05/21/2010
  • Issued: 09/15/2015
  • Est. Priority Date: 05/22/2009
  • Status: Active Grant
First Claim
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1. A system for identifying a combination of devices that are each arranged for detecting a sensory identifier and transmitting a request message containing a representation of the detected sensory identifier, the system comprisinga plurality of correlation servers, wherein the correlation servers are distinct from the devices, each correlation server being configured to correlate representations received in the request messages transmitted by different ones of the devices so as to match two or more of those different ones of the devices by determining whether the sensory identifier detected by the devices is the same,at least one proxy server for routing the request message from at least one of the devices to at least one selected correlation server, the at least one proxy server being configured to select the routing of each request message dependent on contents of the request message,wherein the at least one proxy server is distinct from the devices and wherein the at least one proxy server selects which of the plurality of correlation servers will correlate representations received from the devices so as to match two or more of those devices.

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