| 摘要 |
PROBLEM TO BE SOLVED: To provide a cloth product capable of being utilized for confirming the records of bibliographic items associated with a fake-prevention, a right of ownership, an origin, an authenticity, an acceptance of an order, etc., extremely simply by forming a detectable encrypted recognizable material on a cloth or clothes without damaging the clarity and hue of decorative colors and images. SOLUTION: This electronic watermark attached colored cloth e.g. a labeling tag is provided by attaching the electronic watermark code formed by a digital printing which is e.g. an aggregate of network points, as an invisible digital sign on a colored cloth having colors and images, so as to make it distinguishable by labeling with the electronic watermark code.
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