Stethoscope associated with smartphone functionally

PURPOSE: A smart phone and a stethoscope functionally connected with the same are provided to diagnose patients regardless of time by improving portability. CONSTITUTION: A first converting device(13) converts a sound wave received from a microphone(11) into an electric signal. A signal processing device(14) processes the electric signal delivered from the first converting device. A communication module is connected to the smart phone. A second converting device(15) is connected to the signal processing device. The second converting device converts the electric signal into the sound wave. [Reference numerals] (AA) Wired/wireless interface; (BB) Storing user interface data