	US 7,518,517 B2
	Verification method of goods using IC tags and equipment using the method
Hiroshi Sako, Shiki (Japan); Tatsuhiko Kagehiro, Kokubunji (Japan); Hiroto Nagayoshi, Kokubunji (Japan); and Satomi Baba, Kokubunji (Japan)
Assigned to Hitachi, Ltd., Tokyo (Japan)
Filed on Mar. 21, 2007, as Appl. No. 11/723,588.
Application 11/723588 is a continuation of application No. 11/032071, filed on Jan. 11, 2005, granted, now 7,199,714.
Claims priority of application No. 2004-298334 (JP), filed on Oct. 13, 2004.
Prior Publication US 2007/0273512 A1, Nov. 29, 2007
This patent is subject to a terminal disclaimer.
Int. Cl. G08B 13/14 (2006.01)

U.S. Cl. 340—572.1 [283/83]

17 Claims

1. A goods genuineness/counterfeit discrimination method using a plurality of IC tags, each IC tag having functions of storing genuineness/counterfeit discrimination information and transmitting said genuineness/counterfeit discrimination information and a genuineness/counterfeit discrimination equipment for receiving said genuineness/counterfeit discrimination information from said IC tags to use it for genuineness/counterfeit discrimination, said method comprising:

reading, by means of said genuineness/counterfeit discrimination equipment, information stored in one or more IC tags mounted on goods on which a first predetermined number of IC tags are mounted; and

discriminating genuineness/counterfeit of said goods by determining, by means of said genuineness/counterfeit discrimination equipment, whether or not partial information is identical to each other among genuineness/counterfeit discrimination information read from IC tags equal to or more than a second predetermined number of IC tags mounted on said goods, said second predetermined number being smaller than said first predetermined number.