The security element consists of a soft magnetic material (8,13) which transmits a characteristic signal when alternating field is fed to the material. The signal is transmitted with a changed signal form when deactivated so that the reception unit does not recognizes the signal as the characteristic signal of the security element.
申请公布号
DE19740442(A1)
申请公布日期
1999.03.18
申请号
DE19971040442
申请日期
1997.09.15
申请人
METO INTERNATIONAL GMBH, 69434 HIRSCHHORN, DE
发明人
RUEHRIG, MANFRED, 69469 WEINHEIM, DE;CLANCY, TERRY, 64625 BENSHEIM, DE
