Function expansion method in a point-of-sale system using print data
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United States of America Patent
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Apr 2, 2019
Grant Date -
Aug 6, 2015
app pub date -
Apr 14, 2015
filing date -
Sep 6, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Various functions can be easily added using print data output from an exist lag application without modifying the existing application program. A function expansion method for executing a process that expands the functions of an application runs on a computer that operates according to an operating system on the operating system kernel layer, executes a specific process according to an application on an application layer, and has one or more communication ports, includes a step of acquiring print data output from the application on the operating system kernel layer, and a step of performing at the application layer a process expanding the function of the acquired print data, and outputs the print data after processing to a suitable communication port.
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