INFORMATION DEVICE OF INDIVIDUAL AUTHENTICATION SYSTEM AND INPUT DEVICE

Japanese Patent JP3651247

B2

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.

Takeshi Seto
Norio Ito
Akihito Uetake
Kinya Matsuzawa
Kunihiko Takashiro

JP8453798A

May 25, 2005

March 30, 1998

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Seiko Epson Corporation

G07D9/00; G06F1/00; G06F1/26; G06F12/14; G06F15/00; G06F21/34; G06F21/62; G06F21/75; G06F21/86; G06F21/88; G06K17/00; G06K19/07; G06K19/073; G06K19/10; G07F7/12; H01F38/14; H02J7/00; (IPC1-7): G06K17/00; G06F1/00; G06F1/26; G06F12/14; G06F15/00; G06K19/073; G06K19/10; G07D9/00; G07F7/12; H02J7/00; H02J17/00

JP4135293A
JP1299090A
JP62170395A
JP8138018A
JP6020114A
JP9204472A
JP62027683A
JP3241927A
JP9098480A

Masazumi Mori

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