Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1995-02-21
1996-08-27
Hajec, Donald T.
Registers
Systems controlled by data bearing records
Credit or identification card systems
235379, 235382, G06K 500
Patent
active
055503586
ABSTRACT:
A remote wireless transaction system has a hand-held transmitter which contains a digital memory device storing information unique to the user. The transmitter has a keypad to allow the user to key-in a unique PIN number, this PIN number also being stored in the transmitter. If the keyed-in PIN number corresponds to the stored PIN number the transmitter transmits the stored, user-unique, information. The system also includes a receiver which is arranged to receive the transmitted information and to log that information in a receiver memory. If the receiver information correlates with a valid user the transaction is completed. Communication between the transmitter and the receiver is exclusively one-way.
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HP48SX Scientific Expandable, Owner's Manual vol. II, Edition 2, Apr. 1990, pp. 619-620.
Tait Elizabeth M.
Tait Robert A. R.
Filipek Jeffrey R.
Hajec Donald T.
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