Take mouthpiece of directory function

The utility model discloses a take mouthpiece of directory function, including telephone receiver, be provided with data reading and writing circuit and data storage circuit in the telephone receiver, last display screen and the button of being provided with of telephone receiver, data reading and writings circuit is respectively with display screen, data storage circuit with press the key -type connection. The utility model discloses a setting up display screen and data storage circuit at telephone receiver, realizing inquiring the directory on telephone receiver, not only the directory is capacious, and the renewal of simple accurate, especially directory is very convenient moreover, in addition, wherein the circuit can adopt the connecting wire power supply of phone self, removes extra power from, can switch on automatically when mentioning telephone receiver moreover, need not switch. The utility model relates to a but take mouthpiece of directory function wide application in phone field.