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System and method for identifying objects using single connection line

  • US 6,655,582 B2
  • Filed: 01/02/2002
  • Issued: 12/02/2003
  • Est. Priority Date: 01/02/2001
  • Status: Expired due to Term
First Claim
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1. A system for identifying objects within a monitored environment comprising:

  • a plurality of tag signal readers contained within the monitored environment and serially connected along a single connection line for receiving tag signals from at least one tag contained within the monitored environment, wherein the tag signals received by tag signal readers are timed and associated with a particular tag emission reader; and

    a location processor connected to the single connection line for determining which tag signals are first-to-arrive signals and conducting differentiation of the first-to-arrive signals to locate a tag.

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