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Interface system

  • US 6,196,735 B1
  • Filed: 11/17/1999
  • Issued: 03/06/2001
  • Est. Priority Date: 11/18/1998
  • Status: Expired due to Term
First Claim
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1. An interface system which transmits printing data from a computer to a stencil printer and transmits status information on the stencil printer to the computer, said interface system comprising:

  • a previously-transmitted status information memory for storing status information on the stencil printer which has been previously transmitted to the computer, an updated status information receiving means for receiving from the stencil printers updated status information on the stencil printer, a status difference information generation means for generating status difference information which represents a difference of the updated status information from the status information which has been previously transmitted to the computer, and a status difference information transmitting means for transmitting the status difference information to the computer on request from the computer.

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