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Device for relative positioning and locating persons

  • US 20070129890A1
  • Filed: 09/11/2006
  • Published: 06/07/2007
  • Est. Priority Date: 09/30/2005
  • Status: Abandoned Application
First Claim
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1. A device for relative positioning and locating persons, comprising:

  • an outer case;

    a central processor installed on a circuit board within the outer case, which is used to carry out calculations on and comparison of coordinate and identification data;

    a GPS (Global Positioning System) module installed on the circuit board and electrically connected to the central processor, which is able to connect with GPS artificial satellites to obtain coordinate data of unit devices;

    a wireless communication module installed on the circuit board and electrically connected to the central processor, comprising a transmitter and a receiver, wherein the transmitter is used to transmit coordinate data and identification data, and the receiver is used to receive coordinate data and identification data;

    a memory unit installed on the circuit board and electrically connected to the central processor, which is able to save the coordinate data and identification data;

    a display unit installed on an upper portion of the outer case and electrically connected to the central processor, comprising a power supply indicator light, a direction indicator light and a plurality of function setting lights;

    the display unit is able to display functional state, direction indication, and so on, of the unit device;

    an operating unit installed on the upper portion of the outer case, comprising a switch key and an ID (Identification Data) setting button, and is electrically connected to the central processor, and enables function switching of the unit device, and ID setting when a plurality of the unit devices are being used;

    a connecting port installed on the outer case and electrically connected to the central processor, which enables the setting of data when a plurality of the unit devices are connected in series;

    a power supply device installed within the outer case, which supplies needed power to the circuit board.

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