Title:
OBJECT AND SYSTEM FOR DUPLICATION PREVENTION USING RANDOM MEDIA, AND DUPLICATION PREVENTION METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2017/030405
Kind Code:
A1
Abstract:
The present invention relates to a system and a method for preventing duplication by determining counterfeiting/duplication of an object (money, identification card, credit card, etc.) by using random media. A duplication prevention object using random media, according to the present invention, comprises random media in which a plurality of particles having irregular sizes and shapes are mixed, wherein the particles are obtained by a grinding process or nano-process of media having different refractive indexes or the same media.
Inventors:
KIM CHIL MIN (KR)
Application Number:
PCT/KR2016/009142
Publication Date:
February 23, 2017
Filing Date:
August 19, 2016
Export Citation:
Assignee:
DAEGU GYEONGBUK INST SCIENCE & TECH (KR)
International Classes:
B42D25/313; B42D25/23; B42D25/29
Foreign References:
| JP2004171109A | 2004-06-17 | |||
| JP2013190478A | 2013-09-26 | |||
| JP2009009488A | 2009-01-15 | |||
| JP2007279128A | 2007-10-25 | |||
| JP2007272283A | 2007-10-18 |
Attorney, Agent or Firm:
JIMYUNG PATENT FIRM (KR)
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