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RTLS TAG DEVICE AND REAL TIME LOCATION SYSTEM

  • US 20120249798A1
  • Filed: 03/20/2012
  • Published: 10/04/2012
  • Est. Priority Date: 04/04/2011
  • Status: Abandoned Application
First Claim
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1. An RTLS tag device for measuring a location of a mobile object, the device comprising:

  • a Wi-Fi module unit communicating with a wireless LAN AP;

    a GPS module unit receiving GPS information from GPS satellites;

    a main power unit generating a driving power through a piezoelectric element generating an electric energy when applied with a pressure; and

    a controller collecting tag information and transmitting the tag information to the Wi-Fi module unit by selectively and controllably operating the Wi-Fi module unit or the GPS module unit in response to an SSID (Service Set Identification) included in a signal received from the wireless LAN AP.

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