Binary data compression and expansion processing apparatus

Details Binary data compression and expansion processing apparatus Binary data compression and expansion processing apparatus

1987-02-24

1988-07-26

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358261, H04N 1413

Patent

active

047604590

ABSTRACT:
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.

REFERENCES:
patent: 4259693 (1981-03-01), Aaron
patent: 4542413 (1985-09-01), Rallapalli et al.
patent: 4558371 (1985-12-01), Rallapalli et al.
patent: 4562484 (1985-12-01), Rallapalli et al.
patent: 4719514 (1988-01-01), Kurahayashi

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