Mobile radio terminal apparatus

Details Mobile radio terminal apparatus Mobile radio terminal apparatus

2008-04-01

2008-04-01

Lee, Michael G. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S494000, C455S410000, C455S411000, C713S183000

Reexamination Certificate

active

11241306

ABSTRACT:
When power is turned on, control unit requests a user to enter a security code on the basis of information of SIM card inserted into a card I/F. If the security code entered by the user is an authorized code, the control unit permits the user to use the apparatus such that the apparatus can be utilized. In addition, the control unit urges a display unit to display a security code entered through operation unit, as hidden letters, and to display a control command such that the control command can be visually recognized.

REFERENCES:
patent: 6219410 (2001-04-01), Sun
patent: 2004-038403 (2004-02-01), None

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