Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2008-12-19
2011-11-08
Kim, Ahshik (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S492000, C235S380000
Reexamination Certificate
active
08052056
ABSTRACT:
An authorization code is entered into a card terminal reader from a security card. The authorization code is first entered into a card and stored in a secret memory location or stored into or onto the card with a alternate element. A characteristic physical state of an element on the card is temporarily changed from a first state to a second state. When the card is inserted into a card reader terminal within a pre-defined period of time, the authorization code is transmitted to the card reader terminal and the state is reset from the second state to the first state.
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International Business Machines - Corporation
Kim Ahshik
McConnell Daniel E.
Pivnichy John
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