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Patent Searching and Data


Title:
【発明の名称】マイクロサーキットカード、特に非接触型カードにおける、複数の不揮発性メモリ位置を不可分的に修正する方法
Document Type and Number:
Japanese Patent JP2002511623
Kind Code:
A
Abstract:
A method of connecting a card to a terminal including the following steps: a) on receiving corresponding respective commands from the terminal, it modifies the contents of the card memory by provisionally recording in the card memory each of said interdependent items of information without losing prior values corresponding to said items; and then b) the modifications are finalized either by all of them being confirmed or by all of them being discarded.

Inventors:
Didier, Stephane
Grieux, Francois
Application Number:
JP2000543936A
Publication Date:
April 16, 2002
Filing Date:
April 09, 1999
Export Citation:
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Assignee:
Innovatron Electronic.Society Anonym
International Classes:
G06F21/44; G06F21/60; G06F21/62; G06F21/64; G06K19/07; G07F7/08; G07F7/10; (IPC1-7): G06K19/07; G07F7/08
Domestic Patent References:
JPH03501302A1991-03-22
Attorney, Agent or Firm:
Takashi Ishida (4 others)