1283474-A1 is referenced by 6 patents and cites 5 patents.

A user-worn device 10a that is to be installed in user-worn equipment (wristwatch, eyeglasses, etc.) 30a that can be worn by a user, and a user device 20a that is to be installed in user equipment (card, mobile telephone, etc.) 40a to be used by the user are employed. The original information is divided to form a first information segment (1) and a second information segment (2). The first information segment (1) is stored in the user-worn device 10a and the second information segment (2) and the original information are stored in the user device 20a. The user-worn device 10a sends the first information segment (1) stored in its storage. The user device 20a combines the second information segment (2) stored in its storage with the received first information segment (1), forming a third piece of information.; The identity of the user is authenticated if the third piece of information matches the original information. Once the identity of the user is authenticated, the user device 20a permits the use of the user equipment 40a.

Title
Method and apparatus for personal identification
Application Number
EP20010915726 20010323
Publication Number
1283474 (A1)
Application Date
March 23, 2001
Publication Date
February 12, 2003
Inventor
Fukatsu Hirokazu
JP
Ashimoto Hideki
JP
Assignee
Hashimoto Hideki
JP
Tietech
JP
IPC
G06F 17/60
G06F 15/00
H04L 09/10
G07C 09/00
G06F 21/00
H04L 09/10
G07C 09/00
G06F 21/00
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