MICROPROCESSOR INCLUDING THAT BUILT IN CARD WITH CONTROL UNIT AND CASING AROUND THE LATTER Russian patent published in 2001 - IPC

Abstract RU 2172521 C2

FIELD: cards with built-in microprocessor. SUBSTANCE: at least one sensor is provided in vicinity of microprocessor case which functions to indicate state of environment; sensor is connected to control unit; the latter is designed so that it can be changed over to inactive state if measurement signal arrives at it and/or no signal indicating predetermined state of environment is supplied. EFFECT: improved protection of card against unauthorized use. 6 cl, 3 dwg

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RU 2 172 521 C2

Authors

Khuber Mikhel'

Shtampka Peter

Khajttser Jozef

Dates

2001-08-20—Published

1997-07-10—Filed