Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2008-05-20
2008-05-20
Nguyen, Duc M. (Department: 2617)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S557000
Reexamination Certificate
active
07376445
ABSTRACT:
A mobile phone is provided which is capable of improving security of personal data of each user when one mobile phone is commonly used by a plurality of users. The mobile phone proper is commonly used by a plurality of users and holds personal data of only a user who logged on with the user's exclusive information attachment being connected to the mobile phone proper, and on the other hand, when the user logs off, moves and saves personal data of the user into the user's exclusive information attachment. In the log-on operations, the mobile phone proper, when a new user has not been registered therein, since the mobile phone proper is in an available state, registers the new user therein and moves personal data of the new user from the information attachment and holds the data. In the log-off operations, the mobile phone proper, when the user has been registered therein and personal data of the user has been held therein, cancels the registration of the user and moves the personal data of the user from the mobile phone proper into the information attachment.
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Cai Wayne
NEC Corporation
Nguyen Duc M.
Scully , Scott, Murphy & Presser, P.C.
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