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Method and apparatus for concealing sensors in simulated articles

  • US 7,868,752 B1
  • Filed: 08/03/2004
  • Issued: 01/11/2011
  • Est. Priority Date: 10/03/2003
  • Status: Expired due to Fees
First Claim
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1. A method of monitoring a position shift of a selected vehicle, vessel, receptacle or hazardous material containing device comprising the steps of:

  • a) providing a g.p.s. unit and radio transmitter contained within a housing;

    b) monitoring the position of the selected vessel or vehicle with the g.p.s. units; and

    c) transmitting a signal when the g.p.s. unit indicates that the selected vessel or vehicle has moved a distance beyond a predetermined selected maximum distance of travel;

    d) wherein the housing is a simulated article, ande) wherein in step “

    d”

    the simulated article is a vent pipe, wherein the housing includes a magnetic base molded to resemble a pipe flange.

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