Invention Grant
US09497189B2 Method and system for verification of presence 有权
存在的验证方法和系统

Method and system for verification of presence
Abstract:
The present disclosure provides a more accurate and secure for verification of presence which comprises: reading an identifier which is associated with a location from a NFC tag fixedly coupled to a location by a NFC-enabled device; verifying the received identifier against an identifier database to verify the location corresponding to the received identifier; generating a query based on the verified location to solicit a user input entered by a user in charge of the location; receiving the user input by the NFC-enabled device; recording a check-in time according to the time of reading the identifier; and recording a check-out time according to the time of receiving the user input.
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