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Transparent communication with multiple devices over a single serial or parallel port of a computer

  • US 6,073,183 A
  • Filed: 02/25/1997
  • Issued: 06/06/2000
  • Est. Priority Date: 03/31/1995
  • Status: Expired due to Term
First Claim
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1. A method for allowing communication of data between one or more peripheral devices and one or more applications running on a computer, the one or more peripheral devices being coupled to the computer through one or more physical I/O ports, said method comprising the steps of:

  • reading the configuration of the one or more physical I/O ports of the computer running the one or more applications;

    defining logical I/O ports to the computer based upon the number of the one or more peripheral devices being coupled to the computer, said number determined by said reading of the configuration of the one or more physical I/O ports; and

    communicating the data between the one or more applications and the one or more peripheral devices through said logical I/O ports and the one or more physical I/O ports using an envelope attached to the data.

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