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Electronic tether

  • US 6,529,131 B2
  • Filed: 06/13/2001
  • Issued: 03/04/2003
  • Est. Priority Date: 06/13/2001
  • Status: Expired due to Fees
First Claim
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1. A method of operating an electronic tether comprising the steps of:

  • utilizing a master unit;

    utilizing at least one subordinate unit;

    placing into a memory of said master unit a unique address identifier of said subordinate unit that is to be supervised by said master unit;

    placing into a memory of said subordinate unit a unique address identifier of said master unit to which it is set to respond;

    establishing an acceptable distance and programming such into said master unit that a said subordinate unit may travel from said master unit before an alert indication is activated; and

    including within said master unit a call signal designed to be transmitted to a specific subordinate unit, and, upon activation of said call signal, trigger an alert indication on said subordinate unit which will also cause the displaying of the distance and direction of travel from the subordinate unit to the master unit.

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