Mobile key using read/write RFID tag

Details Mobile key using read/write RFID tag Mobile key using read/write RFID tag

2005-01-10

2008-12-30

Nguyen, Hung T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S539100, C340S539110, C340S539230, C340S870030, C340S005200, C340S005800, C340S010100

Reexamination Certificate

active

07471199

ABSTRACT:
A mobile key includes an RFID tag associated with a memory. The memory holds a secure access code. An authorization status for a person or item associated with the mobile key is determined by interrogating the mobile key using an RFID interrogation field. Security information, such as a secure identifier or access code, physical measurement data, or biometric data may be provided by the mobile key. The key may also comprise a wireless communication device, such as a cellular telephone. Security information, such as an access code, may be provided to the key using the wireless communication device or other communications network.

REFERENCES:
patent: 5629981 (1997-05-01), Nerlikar
patent: 6611198 (2003-08-01), Geiszler et al.
patent: 7069251 (2006-06-01), Bartz et al.
patent: 2003/0167207 (2003-09-01), Berardi et al.
patent: 2005/0040952 (2005-02-01), Dearing et al.

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