Electronic bankbook and transaction system

Claim 2

An electronic bankbook including an IC chip encapsulated in an insulating card substrate (10) and composed of a CPU (1), two data memories (3, 4) both connected wit4aid CPU (1) for storing transaction data and customer's attribute data, a program memory (2) connected with said CPU (1) and said data memories (3, 4) for storing a program to control said electronic bankbook; a key switch (6) having keys (6a through 6d) connected with said CPU (1), and power supply means (8, 9) for backing up contents of said data memories (3, 4) and supplying power to said electronic bankbook, characterized in that a display (5) connected with said CPU (1) and key switch (6) optionally displays data stored in one (3) of said data memories (3, 4 ) on said display (5) by means of said key switch (6), a transaction device provided outside said electronic bankbook controls said electronic bankbook, and means (7) connected with said CPU (1) and said transaction device receives or delivers a signal from or to said transaction device.

Claim 3

An electronic bankbook according to claim 1, characterized in that said data stored in the data memory (4) are displayed in order on said display (5) upon said optional display of said data.

Claim 4

An electronic bankbook according to claim 1, characterized in that first and second data memories (3, 4) are provided as said data memories (3, 4), and addresses of said both data memories (3, 4) are distinguishable from each other and only data stored in said first data memory (3) are displayed on said display (5) by means of said key switch (6).

Claim 5

An electronic bankbook according to claim 3, characterized in that transaction data showing transaction results are stored in said data memory (3).

Claim 6

A transaction system with use of an electronic bankbook, said electronic bankbook comprising an IC chip encapsulated in an insulating card substrate (10) and composed of a CPU (1), data memories (3, 4) connected with said CPU (1) for storing transaction data, a program memory (2) connected with said CPU (1) and said data memories (3, 4) for storing a program to control said electronic bankbook, a key switch (6) having keys (6a through 6d) connected with said CPU (1), and power supply means (8, 9) for backing up contents of said data memories (3, 4) and supplying power to said electronic bankbook, characterized in that a display (5) connected with said CPU (1) and said key switch (6) optionally displays said transaction data, a transaction device edits said transaction data stored in said electronic bankbook into a bankbook printing format based on operation of a printing instruction means included in said transaction device, and printing out said edited signal, and means (7) connected with CPU (1) and said transaction device receives or delivers a signal from or to said transaction device.

Claim 7

A transaction system with use of an electronic bankbook, said electronic bankbook comprising an IC chip encapsulated in an insulating card substrate (10) and composed of a CPU (1), data memories (3, 4) connected with said CPU (1) for storing transaction data, a program memory (2) connected with said CPU (1) and said data memories (3, 4) for storing a program to control said electronic bankbook, a key switch (6) having keys (6a through 6d) connected with said CPU (1), and power supply means (8, 9) for backing up contents of said data memories (3, 4) and supplying power to said electronic bankbook, characterized in that a display (5) connected with said CPU (1) and said key switch (6) optionally displays said transaction data, a transaction device edits said transaction data stored in said electronic bankbook into a bankbook printing format based on operation of a printing instruction means included in said transaction device, and printing out said edited signal, and means (7) connected with CPU (1) and said transaction device receives or delivers a signal from or to said transaction device.

Claim 8

A transaction system with use of an electronic bankbook, characterized in that said electronic bankbook comprises an IC chip encapsulated in an insulating card substrate (10) and composed of a CPU (1), data memories connected with said CPU (1) for storing transaction data, a program memory (2) connected with said CPU (1) and said data memories (3, 4) for storing a program to control said electronic bankbook, a key switch (6) having keys (6a through 6d) connected with said CPU (1), and power supply means (8, 9) for backing up contents of said data memories (3, 4) and supplying power to said electronic bankbook, characterized in that a display (5) connected with said CPU (1) and said key switch (6) displays said transaction data, a transaction device provided independently of said electronic bankbook receives a signal showing a near end state of said data memory (3 or 4) and a state where data written in said first data memory (3) is disabled, and thereby edits said transaction data stored in said electronic bankbook into a bankbook printing format and prints out said edited signal, and means (7) connected with said CPU (1) and said transaction device receives or delivers a signal from or to said transaction device.

Claim 9

A transaction system with use of an electronic bankbook, characterized in that said electronic bankbook comprises an IC chip encapsulated in an insulating card substrate (10) and composed of a CPU (1), data memories connected with said CPU (1) for storing transaction data, a program memory (2) connected with said CPU (1) and said data memories (3, 4) for storing a program to control said electronic bankbook, a key switch (6) having keys (6a through 6d) connected with said CPU (1), and power supply means (8, 9) for backing up contents of said data memories (3, 4) and supplying power to said electronic bankbook, characterized in that a display (5) connected with said CPU (1) and said key switch (6) displays said transaction data, a transaction device provided independently of said electronic bankbook receives a signal showing a near end state of said data memory (3 or 4) and a state where data written in said first data memory (3) is disabled, and thereby edits said transaction data stored in said electronic bankbook into a bankbook printing format and prints out said edited signal, and means (7) connected with said CPU (1) and said transaction device receives or delivers a signal from or to said transaction device.

Claim 10

A transaction system with use of an electronic bankbook, said electronic bankbook comprising an IC chip encapsulated in an insulating card substrate (10) and composed of a CPU (1), data memories (3, 4) connected with said CPU (1) for storing transaction data, a program memory (2) connected with said CPU (1) for storing a program for controlling said electronic bankbook, a key switch (6) having keys (6a through 6d) connected with said CPU (1) for instructing transaction items, and power supply means (7) for backing up contents of said data memories (3, 4) and supplying power to said electronic bankbook, characterized in that a display (5) connected with said CPU (1) displays said transaction data, a transaction device provided outside said electronic bankbook interrupt transactions of said electronic bankbook with a customer upon receiving erroneous identification information over said prescribed number of times, and means (7) connected with said CPU (1) and said transaction device receives or delivers a signal from or to said transaction device.

Claim 11

A transaction system with use of an electronic bankbook, said electronic bankbook comprising an IC chip encapsulated in an insulating card substrate (10) and composed of a CPU (1), data memories (3, 4) connected with said CPU (1) for storing transaction data, a program memory (2) connected with said CPU (1) for storing a program for controlling said electronic bankbook, a key switch (6) having keys (6a through 6d) connected with said CPU (1) for instructing transaction items, and power supply means (7) for backing up contents of said data memories (3, 4) and supplying power to said electronic bankbook, characterized in that a display (5) connected with said CPU (1) displays said transaction data, a transaction device provided outside said electronic bankbook interrupt transactions of said electronic bankbook with a customer upon receiving erroneous identification information over said prescribed number of times, and means (7) connected with said CPU (1) and said transaction device receives or delivers a signal from or to said transaction device.

Claim 12

A transaction system with use of an electronic bankbook according to claim 6, characterized in that with said identification information entered in said transaction device over the prescribed number of times, said transaction device transfers an "invalid" command to said electronic bankbook, while said electronic bankbook stores an "invalid" or "valid" identification code supplied from said transaction device in rewritable memory means and rewrites said "invalid" or "valid" identification code information stored in said memory means to make said information invalid upon receiving an "invalid" command and thereafter displays the transactions are invalid every time depressed, and stops the transactions thereof.