INFORMATION DEVICE OF INDIVIDUAL AUTHENTICATION SYSTEM AND INPUT DEVICE

摘要

PROBLEM TO BE SOLVED: To prevent the illegal usage of data even when an information device is left and stolen by a third person and to secure high safety by providing the information device for authenticating an individual user on his body so as to be attachable/detachable and disabling the usage of stored data when separation from the user is detected. SOLUTION: A human body attachment device 2 is constituted of a password area device 23 for storing and holding a variety of data to be used for authenticating an individual, etc. When the device 2 is separated from the body of the user, an attachment detecting device 21 outputs a discriminating signal for discriminating that the device 2 is separated from the body to a time period reset device. 22. When the signal is continuously inputted to the device 22 for a prescribed time, a data integrity signal is outputted from the device 22 to the device 23. At least data transmission from the device 23 is stopped by the data integrity signal.