Contactless IC card

Details Contactless IC card Contactless IC card

2006-12-26

2006-12-26

Nguyen, Kimberly D. (Department: 2876)

Registers

Records

C235S376000, C235S451000, C235S492000

Reexamination Certificate

active

07152799

ABSTRACT:
A contactless IC card comprises a plurality of random number generation units that are separate from applications to be executed and operable independently to generate a random number for setting a card slot. A random number generation instruction unit designates the random number generation unit to be used for a response from a request from among the plurality of random number generation units. The random number generated by the designated generation unit is used by a slot setting unit to perform a response.

REFERENCES:
patent: 5068894 (1991-11-01), Hoppe
patent: 5293029 (1994-03-01), Iijima
patent: 6040786 (2000-03-01), Fujioka
patent: 6480869 (2002-11-01), Fujioka
patent: 7011250 (2006-03-01), Nakabe et al.
patent: 7016924 (2006-03-01), Nakabe et al.
patent: 1 197 909 (2002-04-01), None

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