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Sam Rahman, Jim Magner, John Brown, Adarsh Pun, Grant Parker: Secure credit card which prevents unauthorized transactions. John J Connors & Associates Connors, December 26, 1995: US05478994 (211 worldwide citation)

A secure credit card 10 has a body member to which is attached a microprocessor controller 14 electrically coupled a Programmable Read Only Memory (PROM) device 18 programmed with a series of random numbers in a predetermined sequence. The random numbers are identical to random numbers in a host com ...


2
Jeffrey Dean Lindsay: Security systems for protecting an asset. Jeffrey Dean Lindsay, May 1, 2018: US09959694

Security systems for protecting assets are described, including password-based security systems that can provide different levels of access responsive to entry of a primary or secondary password. In some versions, user-configurable security rules can provide customized responses to entry of primary ...


3
SECURITY SYSTEMS FOR PROTECTING AN ASSET. August 30, 2018: US20180247483-A1

Security systems for protecting assets are described, including password-based security systems that can provide different levels of access responsive to entry of a primary or secondary password. In some versions, user-configurable security rules can provide customized responses to entry of primary ...