PROBLEM TO BE SOLVED: To provide a stethoscope, obtaining not only right and left sound-field feeling but also up and down sound-field feeling, eliminating noise such as scratch sound of a sound collecting part, controlling excessive volume to protect users ears, and also securing convenience.SOLUTION: In this stethoscope including an electronic circuit, three or more, preferably four or more sound collecting devices and a microphone are held to listen to persons heart and breathing for auscultation in a stereoscopic sound field. Phase processing and equalizing are performed to narrow the focus and sound the heart and chest. The focal point can be manually operated by a user. Further, in some use, an outer facing is made lovely not to give a fear to the children and patients, and also the sound collecting part and the sounding part are connected to each other by radio.COPYRIGHT: (C)2012,JPO&INPIT【課題】左右の音場感だけでなく上下の音場感を得られ、集音部の擦過音などのノイズを除去したり、過大な音量を制御し使用者の耳を保護可能でかつ利便性を確保可能な聴診器を提供する。【解決手段】電子回路を介した聴診器において、3つ以上望ましくは4つ以上の集音装置、マイクを持ち立体音場で聴音し聴診する。また位相処理、イコライジングを行い、焦点を絞って聴音する。また、その焦点を使用者の手で操作可能にする。また、用途により幼児や患者に恐怖感をあたえない愛くるしい外装にすると同時に、集音部と聴音部を無線接続とする。【選択図】図3
