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Power management system for electronic shelf labels and the like

  • US 8,912,886 B2
  • Filed: 07/15/2008
  • Issued: 12/16/2014
  • Est. Priority Date: 07/15/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • distributing a plurality of Electronic Service Label (ESL) tags throughout a selling environment, wherein the plurality of ESL tags comprises a first ESL tag and a second ESL tag that are assigned different rates at which to contact a server;

    initiating contact with the server by the first ESL tag;

    determining, by the server, whether said assigned rate should be changed for the first ESL tag contacting said server, wherein the determination is based at least in part on;

    (i) monitoring, by the server, over a period of time;

    (a) a first frequency at which the first ESL tag contacts said server, and(b) a second frequency at which ESL data associated with the first ESL tag is updated, and(ii) determining, by the server, if said second frequency is less than a Prescribed percentage of said first frequency;

    causing, by the server, said first frequency to be changed when said second frequency is determined to be less than the prescribed percentage of said first frequency; and

    changing the assigned rate associated with the first ESL tag by transmitting a message to the first ESL tag based on the determination.

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