Portable terminal device, address book transmitter, information displaying method in portable terminal device, address book transmitting method, and computer program

Abstract

A mobile telephone terminal (1) comprises an address book table (TLA) that stores an address book indicative of the names and telephone numbers or e-mail addresses of the other ends of communication; a secret address book table (TLB) that generates a plurality of secret letter sequences, in which a part or all of the letters of the names and telephone numbers or e-mail addresses of the other ends of communication are concealed, and that stores the generated plurality of secret letter sequences; and an address book displaying part (104) that displays, based on the address book table (TLA), the name and telephone number or e-mail address of the other end of communication designated by a user without concealing the letters in a real name display mode, and that displays, based on the secret address book table (TLB), a secret letter sequence, in which a part or all of the letters of the name and telephone number or e-mail address of the other end of communication designated by the user is concealed, in an anonymity display mode.

Description

technical field [0001] The present invention relates to a mobile terminal device, a method of displaying information on the mobile terminal device, and the like. Background technique [0002] In recent years, with the increase in the capacity of recording media such as flash memory, it has become possible to register many phone numbers and e-mail addresses in advance in the address book of a mobile phone terminal. In addition, it has also been possible to pre-register information about other than telephone numbers and e-mail addresses. For example, the address, date of birth, etc. can be pre-registered in the items of the memorandum. In addition, there are models that can register facial photos. [0003] However, as the amount of data registered in the address book of the mobile phone terminal increases, the risk of loss or theft of the mobile phone terminal also increases. Because when such an accident occurs, the personal information in the address book may be peeked an...

AI Technical Summary

Problems solved by technology

[0003] However, as the amount of data registered in the address book of the mobile phone terminal increases, the risk of loss or theft of the mobile phone terminal also increases

Because when such an accident occurs, the personal information in the address book may be illegally peeped and stolen by a third party.

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