CARD DOUBLE AUTHENTICATION SYSTEM

Japanese Patent JP3560575

B2

PROBLEM TO BE SOLVED: To provide a card double authentication system for authenticating a credit card doubly.
SOLUTION: In the card double authentication system 1, a commodity settling gate device 2, an ID authentication checking and commodity settling device 3, a personal computer 20 in an in-house card management section 4 of a shop, a commodity ID adding device 5, a card management center 6, and a credit card company 7 are connected through a communication line 8 so as to transmit and receive commodity information. A device for personal identification 11 having an individual certificating function certificates an individual by a card ID 9 of the credit card CC a user P uses, and also certificates the individual by a personal ID 10 of the user P to prevent a fraudulent use of the credit card CC.

Takaaki Habara
Yamagishi Reiwa
Toshito Ochi
Mutsuji Takesada
Noriaki Shiomi
Numamoto Hikaru
Yoshitaka Kawamura

JP2001284297A

September 02, 2004

September 19, 2001

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Hitachi Electronics Services Co., Ltd.

G07G1/12; G06K17/00; G06Q20/00; G06Q20/24; G06Q20/40; G06Q20/42; G06Q40/00; G06Q40/02; G07F7/10; G07G1/00; G07G3/00; (IPC1-7): G07G1/12; G06F17/60; G06K17/00; G07G3/00

JP2000322529A
JP2000057437A
JP2000105872A
JP3113695A
JP8273057A
JP7239977A

Patent Business Corporation Daiichi International Patent Office
Yoshiaki Numagata
Takio Sumiyoshi
Yasue Numagata
Nakamura

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