| 摘要 |
A billing apparatus, for a direct drawing apparatus in which drawing data generated based on layout design data and necessary for drawing is supplied to a drawing engine in real time during the drawing and, based on the drawing data, the drawing engine forms a drawing pattern on a drawing target moving relative to the drawing engine, comprises: counting means for counting the number of frames in the drawing data supplied to the drawing engine, one drawing data frame being constructed by packetizing data of an amount necessary for a drawing head in the drawing engine to perform one drawing operation; and billing charge determining means for determining a billing charge based on the number of frames counted by the counting means.
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