| 摘要 |
<p>PURPOSE: A digital auscultation system is provided to physically separate an auscultation driving unit from an auscultation output unit, thereby enabling to listen to the auscultation sound together even when the distance is far from an object. CONSTITUTION: An auscultation driving unit (100) comprises an auscultation unit (110), a control unit (130), and a transmission unit (150). The auscultation unit converts an analog oscillation sound into a first digital signal. The auscultation unit outputs the first digital signal as a second digital signal. The control unit transmits the second digital signal to the transmission unit by the user input. The transmission unit transmits the second digital signal transmitted from the control unit to the auscultation output unit. [Reference numerals] (100) Auscultation driving unit; (111,220) Amplifying unit; (113) A/D conversion unit; (120,230) Filter unit; (121) High frequency passing filter; (123) Low frequency passing filter; (125) Digital attenuator; (130) Control unit; (140) Input unit; (150) Transmission unit; (210) Receiving unit; (215) D/A conversion unit; (240) Output unit</p> |
