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Method of adding value to print data, a value-adding device, and a recording medium

  • US 8,861,016 B2
  • Filed: 09/22/2011
  • Issued: 10/14/2014
  • Est. Priority Date: 09/22/2010
  • Status: Active Grant
First Claim
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1. A value-adding device rendered by a computer configured to operate according to an operating system on an operating system kernel layer, to execute a specific process according to an application on an application layer, and to have a first communication port and a second communication port, and to execute a process of adding value to print data output from the application to the first communication port, comprising:

  • a data acquisition unit configured to acquire, from the application, the print data on the operating system kernel layer before the print data output from the application is received at the first communication port; and

    a data processing unit on the application layer, configured to apply a process of adding and/or deleting print content in the print data acquired by the data acquisition unit based on information previously registered in the computer, and to output the data after processing to the second communication port.

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