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Modular, Portable Data Processing Terminal for Use in a Radio Frequency Communication Network

  • US 20070001007A1
  • Filed: 07/25/2006
  • Published: 01/04/2007
  • Est. Priority Date: 01/18/1990
  • Status: Active Grant
First Claim
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1. A portable data collection terminal comprising:

  • a base module comprising a first processing unit and a first storage element that stores base module communication software;

    a selected one of a plurality of communication modules, each communication module comprising a second processing unit, a second storage element that stores communication module software, and at least one of a plurality of radio transceivers, each of the plurality of radio transceivers having different operating characteristics; and

    wherein the second processing unit, using the communication module software, isolates the first processing unit, which uses the base module communication software, from differences in the operating characteristics of the plurality of radio transceivers.

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