发明名称 USER-AUTHENTIFICATION DEVICE USING ACOUSTIC SIGNALS AND A TELEPHONE SET
摘要 The device proposed includes means for activating the device by a user, means for generating acoustic signals suitable for user-authentification purposes following activation and means for emitting acoustic signals in a way suitable for transmission by a telephone set.
申请公布号 WO9717791(A3) 申请公布日期 2001.09.13
申请号 WO1996DE01814 申请日期 1996.09.25
申请人 SIEMENS AKTIENGESELLSCHAFT;HORN, MICHAEL 发明人 HORN, MICHAEL
分类号 H04M3/38;H04M3/42;H04Q3/62 主分类号 H04M3/38
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