MOBILE TERMINAL APPARATUS, ADDRESS BOOK TRANSFER APPARATUS, INFORMATION DISPLAY METHOD IN MOBILE TERMINAL APPARATUS, ADDRESS BOOK TRANSFER METHOD, AND COMPUTER PROGRAM

摘要

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.