| 摘要 |
An object of the present invention is to provide an information terminal having a security function in which confidentiality and safety by which only a user who has stored a password can use can be retained, and the information apparatus can be used with out inputting the password every time when the power supply is turned on. The user is identified by using the communication between an information apparatus and a battery pack to read out passwords, and a communication section controls to turn on a second switch when the passwords correspond so that power is supplied to a device load.
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