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Title:
透明なデータカード
Document Type and Number:
Japanese Patent JP4854170
Kind Code:
B2
Abstract:
A data card comprises a data storage medium embedded in a card body. The card body comprises a filter layer (5) having substantially the same dimensions in terms of length and width as the card body. The filter layer is substantially transparent to electromagnetic radiation in a wavelength range that comprises electromagnetic radiation perceptible by the human whereas the filter layer is substantially opaque to electromagnetic radiation in another wavelength range.

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Inventors:
El Yamani Aya
Limeret Yang
Perben Cedric
Application Number:
JP2002508736A
Publication Date:
January 18, 2012
Filing Date:
July 09, 2001
Export Citation:
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Assignee:
Gemalto Society Anonymous
International Classes:
B42D15/10; G06K19/04; G06K19/077
Domestic Patent References:
JPS6398689A1988-04-30
JPH09111091A1997-04-28
JPH11161761A1999-06-18
JP2001319325A2001-11-16
JP2001315475A2001-11-13
JP2001301369A2001-10-31
JPH1120356A1999-01-26
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Shishido Kaichi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo
Takaki Nishijima
Atsushi Hakoda



 
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