	US 7,506,819 B2
	Biometric security using a fob
Blayn W Beenau, Peoria, Ariz. (US); David S Bonalle, New Rochelle, N.Y. (US); Seth W Fields, Taylorsville, Utah (US); William J Gray, Salt Lake City, Utah (US); Carl Larkin, West Sussix (United Kingdom); Joshua L Montgomery, Orem, Utah (US); and Peter D Saunders, Salt Lake City, Utah (US)
Assigned to Xatra Fund MX, LLC, Wilmington, Del. (US)
Filed on Sep. 21, 2007, as Appl. No. 11/858,958.
Application 11/858958 is a division of application No. 10/708822, filed on Mar. 26, 2004, granted, now 7,303,120, filed on Dec. 04, 2007.
Application 10/708822 is a continuation in part of application No. 10/340352, filed on Jan. 10, 2003.
Application 10/340352 is a continuation in part of application No. 10/192488, filed on Jul. 09, 2002, granted, now 7,239,226, filed on Jul. 03, 2007.
Application 10/192488 is a continuation in part of application No. 10/318480, filed on Dec. 13, 2002, granted, now 7,249,112, filed on Jul. 24, 2007.
Application 10/318480 is a continuation in part of application No. 10/318432, filed on Dec. 13, 2002.
Claims priority of provisional application 60/396577, filed on Jul. 16, 2002.
Claims priority of provisional application 60/304216, filed on Jul. 10, 2001.
Prior Publication US 2008/0008359 A1, Jan. 10, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. G06K 19/00 (2006.01); G06K 19/06 (2006.01); G06K 5/00 (2006.01); G05B 19/00 (2006.01); G08B 13/14 (2006.01); G06Q 40/00 (2006.01)

U.S. Cl. 235—487 [235/492; 235/493; 235/380; 340/5.52; 340/572.1; 705/41]

18 Claims

1. A Radio Frequency (RF) customer payment device comprising:

an RF transponder configured to receive a customer payment device authentication code from an RF Identification (RFID) reader;

a database comprising a unique customer payment device identification code, a unique customer payment device encryption key corresponding to the unique customer payment device identification code, and a customer payment device account code;

a retinal scan sensor configured to detect a retinal sample to create retinal scan sample data; and

a customer payment device authentication circuit to communicate with the database, wherein the customer payment device authentication circuit is configured to use the unique customer payment device encryption key to encrypt the customer payment device authentication code and to use the unique customer payment device encryption key to encrypt the customer payment device account code;

wherein the RF transponder is configured to transmit at least one of the encrypted customer payment device authentication code or the encrypted customer payment device account code to the RFID reader, and wherein the customer payment device authentication circuit is configured to be enabled in response to the retinal scan sample data matching authenticated retinal scan sample data.