Registers – Records – Conductive
Reexamination Certificate
2005-09-20
2005-09-20
Le, Thien M. (Department: 2876)
Registers
Records
Conductive
C235S451000
Reexamination Certificate
active
06945467
ABSTRACT:
IC card receiving power from terminal and performing process, IC card comprises storage storing first identification information uniquely assigned to IC card, acquisition unit acquiring second identification information from terminal, first timer including first change unit whose state changes with lapse of time without power, state of first change unit changing from first initial state to final state via intermediate state, first timer outputting first signal indicative of changed state of first change unit when IC card receives power, comparison unit comparing second identification information with first identification information, determining whether second identification information and first identification information are identical, and providing first initializing signal according to at least one of determined results, and controller initializing first change unit to first initial state when receiving first initializing signal, controller further controlling IC card to make it inhibit process until state of first change unit changes to intermediate state.
REFERENCES:
patent: 4275405 (1981-06-01), Shannon
patent: 5129091 (1992-07-01), Yorimoto et al.
patent: 5247164 (1993-09-01), Takahashi
patent: 5341421 (1994-08-01), Ugon
patent: 5406064 (1995-04-01), Takahashi
patent: 5760644 (1998-06-01), Lancaster et al.
patent: 5825014 (1998-10-01), Sanemitsu
patent: 5889931 (1999-03-01), Noda
patent: 6749117 (2004-06-01), Nakabe et al.
patent: 6805296 (2004-10-01), Sakashita et al.
patent: 63091793 (1988-04-01), None
patent: 10-189780 (1998-07-01), None
patent: 2000-76402 (2000-03-01), None
Kojima Kenji
Matsushita Tatsuyuki
Miyake Hideyuki
Shimizu Hideo
Tomoeda Yuuki
Kabushiki Kaisha Toshiba
Labaze Edwyn
Le Thien M.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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