IC card including multiple connectors providing memory write pro

Details IC card including multiple connectors providing memory write pro IC card including multiple connectors providing memory write pro

1994-03-22

1995-07-25

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

365195, 235379, 235380, 235492, G11C 700

Patent

active

054368626

ABSTRACT:
An IC card for preventing undesirable writing and falsification of data, the IC card including a second connector for connecting a writing control signal line required to write data disposed on a second side of the IC card body opposite the first side of the IC card body on which a first connector is disposed. When the IC card is connected to the system only through the first connector, writing of data cannot be performed. When data is written, a writing control signal line is directly connected to a data writing control signal line of the second connector by a connection cable.

REFERENCES:
patent: 5267218 (1993-11-01), Elbert

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