Object carriers for an object control and tracking system

  • US 6,693,538 B2
  • Filed: 12/05/2001
  • Issued: 02/17/2004
  • Est. Priority Date: 09/11/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A system for tracking keys comprising:

  • a trackable object to be associated with a key;

    a storage unit;

    a socket in said storage unit, said trackable object configured to fit in said socket;

    said trackable object including an addressable switch storing an identification code and having a ground port, a data port, and an input-output (I/O) port;

    said trackable object further including an LED connected with said I/O port of said addressable switch; and

    a computer in communication with said data port of said addressable switch when said trackable object is in said socket;

    said addressable switch activating said LED upon receipt of said identification code communicated by said computer.

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