Asset tag with event detection capabilities

  • US 7,190,278 B2
  • Filed: 03/08/2004
  • Issued: 03/13/2007
  • Est. Priority Date: 03/08/2004
  • Status: Active Grant
First Claim
Patent Images

1. An event detector comprising:

  • a first circuit board having a top surface on which a first contact configuration resides, said first contact configuration having radially-extending arms electrically coupled together;

    a second circuit board overlying said top surface of said first circuit board, said second circuit board having an aperture overlying said first contact configuration and having conductive plating on an inside surface of said aperture;

    a third circuit board having a bottom surface on which a second contact configuration resides, said third circuit board overlying said second circuit board so that said second contact configuration is at said aperture; and

    a conductive movable piece positioned within said aperture and configured to move within said aperture to short said first contact configuration to said conductive plating when resting on said first circuit board and in contact with said conductive plating.

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