Kabushiki Kaisha Toshiba

Hiromichi Tome

Fumitaka Sato

Masayoshi Murayama

Shigekazu Sumita

According to a binary data expansion processing apparatus of this invention, unicolor image data is generated in a generation section in accordance with data associated with a run length and a color instruction for designating the color of image data to be generated. Unicolor image data exceeding the generated set is combined following the already-generated image data portion in accordance with a point a0, thus generating image data for a byte block of interest. At the same time, a color change point on a reference line corresponding to the byte block of interest is detected by a b1 detector. It is checked from the detected color change point if the combined image data exceeds a byte length. If the combined image data exceeds the byte length, the combined image data for one byte of the combined image data is output to an external device.

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Tokyo, Japan

Hiromichi Tome