Electronic bankbook and transaction system for use therewith

Details Electronic bankbook and transaction system for use therewith Electronic bankbook and transaction system for use therewith

1985-11-08

1989-09-05

Trafton, David L.

Registers

Systems controlled by data bearing records

Banking systems

235492, G06F 1530

Patent

active

048641090

ABSTRACT:
A transaction system includes a card-shaped electronic bankbook and a transaction device. The electronic bankbook includes an IC chip encapsulated in an insulating card substrate and composed of a CPU and data memories display, a key switch including keys for instructing transaction data items and switching display data, a power supply, and an interface for receiving or delivering a signal on transactions from or to a transaction device. The system has a crime prevention function where transactions are made invalid if identification information on the electronic bankbook is erronesouly entered in repetition over the prescribed number of times into the transactin system of the electronic bankbook.

REFERENCES:
patent: 3906460 (1975-09-01), Halpern
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patent: 4590365 (1986-05-01), Okada
patent: 4614861 (1986-09-01), Pavlov et al.
IBM Technical Disclosure Bulletin, vol. 23, No. 2, Jul. 1980, "Identification Card", pp. 673-675.
Schaltungsanordnung zum Ausgleichen nichtlinearer Verzerrung in CTDs, 592 Neues aus der Technik, Sep. 1980, No. 4/5, Wurzberg BRD, p. 2.

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