To improve impression given to a user and simplify the trouble for registering the name at the time of displaying the text of a character string such as a registered name.

This registered name recognition device has an input means for entering the text of a character string such as a name, using characters composed of an alphabet, a Chinese character, a symbol or the like added to 'kana' characters, a text memory means 12 for storing the entered text, a reading generation means 11 for generating the reading of a text composed of the array of 'kana' characters on the basis of the entered text, and a memory means for storing the reading of the generated text.