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Server enabled user data exchange between information processing devices

  • US 9,981,185 B2
  • Filed: 06/19/2015
  • Issued: 05/29/2018
  • Est. Priority Date: 12/09/2011
  • Status: Active Grant
First Claim
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1. A server comprising:

  • a receiver configured to receive, from each of a plurality of information-processing devices, location information of each information-processing device and a user attribute information of each user;

    a processor configured toset a condition for determining whether one information-processing device is close to another information-processing device, the condition being dynamically determined in response to a parameter; and

    determine whether a first information-processing device and a second information-processing device from among the plurality of information-processing devices satisfy the condition based on the location information and the user attribute information received by the receiver; and

    a transmitter configured to transmit first data to the first information-processing device and second data to the second information-processing device when the first information-processing device and the second processing device satisfy the condition, wherein;

    the parameter includes a spatial density of information processing devices in a geographic area;

    the condition defines a spatial range and/or temporal range in relation to the first information processing device; and

    the condition is dynamically determined in response to the parameter such that the spatial range and/or temporal range decreases as the spatial density increases.

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