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Data logging device with separated data memory unit having internal power source and transducer interface unit for connection to external transducers

  • US 4,817,049 A
  • Filed: 04/24/1986
  • Issued: 03/28/1989
  • Est. Priority Date: 04/24/1985
  • Status: Expired due to Term
First Claim
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1. A portable data logging device for connection to remote signal producing transducers comprising:

  • a data memory unit and a separable transducer interface unit;

    said data memory unit having an internal power source for producing power at a selected level, a microprocessor coupled to the power source and powered thereby, an integrated circuit memory component coupled to the microprocessor for storing data in various amounts therein means coupled to the power source and the memory component for indicating the amount of data stored in said memory component and the level of said power source, and a first connector component coupled to said memory component to receive data from said transducer interface unit when connected thereto;

    said transducer interface unit having a plurality of ports for connection to said remote signal producing transducers, a second connector component for connection with the first connector component of the data memory unit, and means coupled between the ports and the second connector component for translating signals produced by said transducers into data signals for transfer to said memory component in said data memory unit through said second connector component when connected to said first connector component of said data memory unit.

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