作者: Kenneth L. Addy , Kenneth G. Eskildsen , Eric Oh , Christopher D. Martin
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摘要: A multi-stage verification system including a first and second identification device to verify the identity of user determine if is under duress. When approaches an entrance building, identifier detected by device, compared pre-stored identifier. If there match, inputs at least one biometric input into device. The compares with information in two different databases, template database duress indicator database. match database, silent alarm signal transmitted central monitoring station security disarmed. controlled intended manner.