发明名称 Genuine/counterfeit discriminating method, genuine/counterfeit discrimination object, and genuine/counterfeit discriminating device
摘要 A genuine/counterfeit discrimination method, comprising identifying a combination of at least two of an electric field pattern, a magnetic pattern, an electron beam responsive pattern, and reflection or absorption patterns of visible light, ultraviolet light, and infrared light using an electric field, a magnetic field, an electron beam, visible light, ultraviolet light, or infrared light. A genuine/counterfeit discrimination object, wherein a combination of at least two of an electric field pattern, a magnetic pattern, an electron beam responsive pattern, and reflection or absorption patterns of visible light, ultraviolet light, and infrared light can be identified therein using an electric field, a magnetic field, an electron beam, visible light, ultraviolet light, or infrared light. And a genuine/counterfeit discrimination device comprising at least two devices selected from a device for identifying an electric field pattern, a device for identifying a magnetic pattern, a device for identifying an electron beam responsive pattern, a device for identifying a visible-light pattern, a device for identifying an ultraviolet-light pattern, and a device for identifying an infrared-light pattern and further comprising a device for comparing and identifying patterns obtained with these identification devices.
申请公布号 US6987868(B1) 申请公布日期 2006.01.17
申请号 US20010856957 申请日期 2001.05.29
申请人 NITTETSU MINING CO., LTD. 发明人 ATARASHI TAKAFUMI;NAKATSUKA KATSUTO
分类号 G06K9/00;G07D7/00;G06T1/00;G07D7/02;G07D7/04;G07D7/12;G07D7/20 主分类号 G06K9/00
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