Interface circuit for utilizing a facsimile machine coupled to a PC as a scanner or printer

  • US 7,489,423 B2
  • Filed: 03/19/2005
  • Issued: 02/10/2009
  • Est. Priority Date: 04/11/1994
  • Status: Expired due to Fees
First Claim
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1. A method of transferring digital image data signals between a computer equipped with send/receive driver communications software and a facsimile machine to cause said facsimile machine to operate as a printing device, comprising the steps of:

  • (a) coupling the facsimile machine to the computer through a bi-directional direct connection via a passive link;

    (b) conditioning the facsimile machine to receive print image data from the computer;

    (c) conditioning the computer for initiating transmission of print image digital data to said facsimile machine of a document to be printed by said facsimile machine;

    (d) upon activating the send driver communications software of the computer the print image digital data from the computer is transferred without interruption through a receiving port of the facsimile machine, whereby the print image digital signals of the computer are processed by the facsimile machine into signals for printing.

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