Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Reexamination Certificate
2005-07-11
2010-02-02
Nguyen, Danny (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific quantity comparison means
C361S231000
Reexamination Certificate
active
07656630
ABSTRACT:
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, S4for measuring a value of the magnetic field, —an integrity circuit connected to the at least one magnetic sensor S1, S2, S3, S4and 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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Bonvalot Beatrice
Fermon Claude
Pannetier Myriam
Axalto SA
Commissariat a l''Energie Atomique
Nguyen Danny
Weingarten Schurgin, Gagnebin & Lebovici LLP
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