Memory arrangement utilized for IC card

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United States of America Patent

PATENT NO 4965802
SERIAL NO

07244861

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An information recording medium includes a memory section for storing therein information inputted from an external apparatus, information generated internally on the basis of the inputted information, or converted information. The medium further includes a computing and processing section for performing control to write the above described information into the memory section, and a program storage section for storing therein control programs such as control program and write control program required for the computing and processing section to transfer/receive information to/from the external apparatus. A memory arrangement exists for the information recording medium wherein at least one of the plural memory sections and the program storage section comprise a fixed item information recording area. This area contains predetermined recording contents and information pieces with an error detection information piece and added per information item being stored into the fixed item information storage area. It further contains a variable item information storage area selected as occasion demands. Information with an error detection information piece is added per preset information length being stored into the variable item information storage area.

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Patent Owner(s)

  • HITACHI MAXELL, LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shinagawa, Tohru Toride, JP 1 8

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