Apparatus for reading mesh pattern image data having bars along upper and lower sides of mesh pattern and a boundary line between horizontally adjacent dark and light area of mesh pattern
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United States of America Patent
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Jan 7, 1997
Issued Date -
N/A
app pub date -
May 26, 1995
filing date -
Aug 12, 1988
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Abstract
A data reading apparatus reads data of dots from a recording sheet on which data is recorded in the form of a mesh pattern, and decodes the read data into binary data. The data reading apparatus has an image sensor to read black/white levels of dots of the mesh pattern using the image sensor and to binarize the read levels by a hardware component or CPU processing according to software. An image can have a high recording density by minimizing a dot size.
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