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Biometric door bell unit compares fingerprint data with stored warns of strangers
Biometric door bell unit compares fingerprint data with stored warns of strangers
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机译:生物识别门铃单元将指纹数据与陌生人的存储警告进行比较
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摘要
A biometric door bell unit compares biometric data such as fingerprints from sensors (7) or keys activating a switch (3) and sounds the door alarm (2) if required after comparison (4) with stored biometric data.
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