Thin pack remote environmental monitor system

  • US 6,570,508 B1
  • Filed: 03/01/2000
  • Issued: 05/27/2003
  • Est. Priority Date: 03/01/2000
  • Status: Expired due to Fees
First Claim
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1. A thin pack remote environmental condition monitor comprising:

  • a protective envelope enclosing;

    a printed circuit board having parallel planar surfaces;

    a means for sensing changes in at least one selected environmental condition;

    a monitoring and communication circuit including;

    means for receiving an input signal, generating means, connected to said means for sensing changes in at least one selected environmental condition, for generating a signal representative of changes in the selected environmental condition over a time period, said generating means comprising a resistance to frequency converter, means for processing and storing signal data associated with changes in the selected environmental condition, means for communicating an output signal of processed stored data to means compatible for reading said data, in response to an input signal, a power supply means operatively connected to the monitoring and communication circuit, and means within the protective envelope for displaying selected environmental condition data in a positive display mode.

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