Method of adding value to print data, a value-adding device, and a recording medium
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United States of America Patent
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May 12, 2015
Grant Date -
Dec 11, 2014
app pub date -
Aug 27, 2014
filing date -
Sep 22, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Various kinds of value can be easily added to print data output from an existing application without modifying the existing application program. A value-adding method executes a process of adding value to print data output from an application on a computer that has one or more communication ports and executes a specific process by means of an application, and includes a data acquisition step of acquiring the print data at the operating system kernel layer before the print data is received at the communication port, and a data processing step that applies at the application layer a process of adding and/or deleting print content in the print data based on previously registered information, and outputs the data after processing to the specified communication port.
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