Electrical computers and digital processing systems: support – System access control based on user identification by... – Using record or token
Reexamination Certificate
2002-05-06
2008-05-20
Vu, Kim Y. (Department: 2135)
Electrical computers and digital processing systems: support
System access control based on user identification by...
Using record or token
C713S186000, C726S002000, C726S009000, C726S020000
Reexamination Certificate
active
07376839
ABSTRACT:
An access control system securely transfers identification and transaction information between an access reader and a contactless smart card over a contactless radio frequency link via an RF modem. The access reader contains a programmable microcontroller, DC/DC converter, regulator, Opto-Isolators and LEDS, and an RF modem. The smart cards contain identification or transaction data as well as reader programming and de-programming software, which is protected by appropriate security keys. An access reader having the appropriate security keys performs a one to one verification of data stored in the smart card to data from an identification device coupled to the access reader. Upon verification of the validity of the smart card, the access reader transfers identification and transaction information over a data link to any external processor or controller which controls access to a secured area. Both the data format/protocol and operating state out of the access reader is programmable and configurable at any time. The access reader and access cards are compatible with any existing Wiegand, magnetic stripe, and serial based access control systems, and are configurable to emerging Biometric system designs.
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Carta David R.
Kelly Guy M.
Ravenis, II Joseph V J
Cubic Corporation
To Baotran N
Townsend and Townsend / and Crew LLP
Vu Kim Y.
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