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AN ACTIVE PROTECTION DEVICE FOR PROTECTING CIRCUIT AGAINST MECHANICAL AND ELECTROMAGNETIC ATTACK.
AN ACTIVE PROTECTION DEVICE FOR PROTECTING CIRCUIT AGAINST MECHANICAL AND ELECTROMAGNETIC ATTACK.
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机译:一种主动保护装置,用于保护电路免受机械和电磁攻击。
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摘要
For protecting a circuit (1) against a mechanical or electromagnetic attack, an active protection device attached to the circuit comprises: - at least one generator (13, 14) for generating a magnetic field, - at least one magnetic sensor S1, S2, S3, S4 for measuring a value of the magnetic field, - an integrity circuit connected to the at least one magnetic sensor S1, S2, S3, S4 and to the circuit (1). The integrity circuit activates a reaction procedure in the circuit if the measured value of the magnetic field made by the magnetic sensor is out of a values domain, the values domain being correlated to the generated magnetic field.
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