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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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