Invention Grant
US08112632B2 Security devices, systems and computer program products 有权
安全设备,系统和计算机程序产品

Security devices, systems and computer program products
Abstract:
A security device having a knowledge input module obtaining knowledge data and a user data storage module storing user-specific data. A processor performs at least part of a user authorization process in response to the knowledge data and the user-specific data. An emitter in communication with the processor emits a signal indicative of the result of the user authorization process.
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