Patent ID: 8271020

Claim:
A cellular telephone allowing registration information to be called up and used, comprising: a storage part for storing a database including a registration information field and a numeric data field previously directly associated with each other in the database, in which numeric data stored in said numeric data field is obtained by numerical conversion of a keyword related to a piece of the registration information stored in said associated registration information field, said numeric data being a numeric sequence generated by converting said keyword to said numeric sequence by one-to-one corresponding each numerical character and alphabetical character in said keyword to a numerical value on a dial key of a keypad of the cellular telephone representing that numerical character and alphabetical character; an acceptance part for accepting a numeric string entered by using said dial keys as a request for a predetermined piece of registration information; a display part for displaying a registration information type menu indicating a plurality of types of registration information and prompting a user to select one of the types of registration information; and an extraction part for searching said numeric data field in said database to extract a piece of registration information associated with said numeric data containing said numeric string based on the user selected one of the types of registration information, the display part is also for displaying the piece of registration information extracted by said extraction part which corresponds to the user selected one of the types of registration information.