Appeal No. 1997-3662
Application No. 07/964,342
method for a facsimile apparatus in which image data is coded
by replacing the image data with codewords representing a
white or black run-length. Specific codewords among the black
and white codewords are combined along with color information
to represent color image data. This color image data is
transmitted to a receiving side according to a standard black
and white mode in the absence of a special color receiving
mode at the receiving side.
Claim 1 is illustrative of the invention and reads as
follows:
1. A coding method for color image data including
the steps of:
providing signals including image data on a
transmitting side,
coding the image data by replacing the image data
with codewords indicative of a white run-length or a
black-run length,
representing color information of a color other than
white or black by combining specific codewords among said
codewords, and
representing image data including color image data
for said color other than white or black by only said
codewords by combining said coded image data and said
color information to be transmitted to a receiving
side according to a standard black and white mode in the
absence of a special color mode at the receiving side.
2
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