Memory card authentication system, capacity switching-type...

Details Memory card authentication system, capacity switching-type... Memory card authentication system, capacity switching-type...

2005-12-22

2008-11-18

Lane, Jack A. (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C235S492000

Reexamination Certificate

active

07454568

ABSTRACT:
A system for authenticating a memory card including: a capacity switching-type memory card host device including a capacity switch notification module which notifies a memory card targeted for exchanging information that the capacity switching-type memory card host device handles a capacity switching-type memory card, and a capacity switch authentication module which authenticates whether the targeted memory card is the capacity switching-type memory card; a capacity switching-type memory card including a capacity switching-type controller which flags the large-capacity expression register use flag on receipt of notification of being the capacity switching-type memory card host device; and a bus which transmits and receives data between the capacity switching-type memory card host device and the capacity switching-type memory card.

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patent: WO 02/05285 (2002-01-01), None

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