PORTABLE DATA MEDIUM USING MICROPROCESSOR AND OPERATING BOTH IN CONTACT AND CONTACTLESS MODES Russian patent published in 2003 - IPC

Abstract RU 2216041 C2

FIELD: computer engineering. SUBSTANCE: portable data medium incorporating provision for preventing contactless access to memory areas which are designed only for contact access has microprocessor, data input/output device, and memory that stores memory areas access conditions for different modes of operation. EFFECT: enhanced reliability. 10 cl, 5 dwg

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RU 2 216 041 C2

Authors

Pitig Akhim

Dates

2003-11-10—Published

1999-11-13—Filed