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Data processing and communications device with interchangeable modules

  • US 6,910,632 B2
  • Filed: 07/02/2002
  • Issued: 06/28/2005
  • Est. Priority Date: 06/07/1990
  • Status: Expired due to Fees
First Claim
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1. A data communications system comprising:

  • a base module, comprising first processing circuitry, first interface circuitry and a first memory that stores base module communications software; and

    a plurality of communications modules interchangeably couplable to the based module, each communications module comprising second interface circuitry and at least one of a plurality of wireless transceivers of differing types;

    wherein the base module receives a selected one of the plurality of communications modules in an engaging position that communicatively couples the first and second interface circuitry and enables the base module to communicate via the selected communications module, characterized in that each communications module further comprises second processing circuitry and a second memory that stores communications module software, and the first processing circuitry, using the base module communications software, supports communication of data via at least one of the plurality of wireless transceivers regardless of which of the plurality of communications modules is selected.

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