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Environmental measuring and recording apparatus

  • US 4,593,370 A
  • Filed: 07/26/1982
  • Issued: 06/03/1986
  • Est. Priority Date: 07/26/1982
  • Status: Expired due to Fees
First Claim
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1. An environmental measuring and recording apparatus comprising:

  • pressure sensing means for sensing of a first environmental condition to obtain a first signal therefrom;

    temperature sensing means for sensing of a second environmental condition to obtain a second signal therefrom;

    compensation means for compensating the first signal with the second signal to obtain a digital signal thereby;

    memory means for storing digital data therein represented by the digital signal; and

    program control means for controlling the storage of the digital data in the memory means and for periodically updating the contents of the memory means.

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