Title:
光学的増白剤を含む基材の蛍光マークインジケータの生成方法及び蛍光マークインジケータ
Document Type and Number:
Japanese Patent JP4789119
Kind Code:
B2
Abstract:
The teachings as provided herein relate to a watermark embedded in an image, and methodology for same, that has the property of being relatively indecipherable under normal light, and yet decipherable under UV light. This fluorescent mark comprises a substrate containing optical brightening agents, and a first dot design printed as an image upon the substrate. The first dot design has as a characteristic, the property of strongly suppressing substrate fluorescence. A second dot design having a property of providing a differing level of substrate fluorescence suppression from that of the first dot design such that when rendered in close spatial proximity with the first dot design image print, the resultant image rendered substrate suitably exposed to an ultra-violet light source, will yield a discernable image evident as a fluorescent mark.
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Inventors:
Raja Rose
Reiner Eschbach
Shenzhen One
Yong Fu Isao
Reiner Eschbach
Shenzhen One
Yong Fu Isao
Application Number:
JP2008134533A
Publication Date:
October 12, 2011
Filing Date:
May 22, 2008
Export Citation:
Assignee:
XEROX CORPORATION
International Classes:
H04N1/387; B41J29/00; B41J29/38; B41M3/14; G03G21/04; G06K1/12; G06K19/06
Domestic Patent References:
| JP2007331384A | ||||
| JP2194989A | ||||
| JP200425649A |
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda
Fumiaki Otsuka
Takaki Nishijima
Hiroyuki Suda