PROBLEM TO BE SOLVED: To provide an ultrasonograph capable of reducing the influence of defective oscillating elements when collecting receiving signals using an ultrasonic probe having a plurality of oscillating elements inluding the defective oscillating elements and generating image data based on the receiving signals.SOLUTION: The ultrasonograph includes: the ultrasonic probe having a plurality of oscillating elements including the defective oscillating elements and normal oscillating elements a transmitting unit supplying drive signals to the oscillating elements a receiving unit for regenerating the receiving signals of the defective receiving channel corresponding to the defective oscillating elements using the receiving signals of the normal receiving channel corresponding to the normal oscillating elements adjacent to the defective oscillating elements selected from the plurality of normal oscillating elements based on the defective oscillating element information of the oscillating elements and for phasing and adding the receiving signals of the normal receiving channel corresponding to the obtained receiving signals of the defective receiving channel and the plurality of normal oscillating elements respectively and an image data generating unit generating the image data based on the receiving signals thus phased and added.COPYRIGHT: (C)2012,JPO&INPIT【課題】欠損振動素子に対応した欠損受信チャンネルにおける受信信号の再生【解決手段】欠損振動素子及び正常振動素子を含む複数の振動素子を有した超音波プローブと、前記振動素子に対して駆動信号を供給する送信手段と、前記振動素子の欠損振動素子情報に基づいて複数からなる前記正常振動素子の中から選択した前記欠損振動素子に隣接する正常振動素子に対応した正常受信チャンネルの受信信号を用いて前記欠損振動素子に対応した欠損受信チャンネルの受信信号を再生し、得られた前記欠損受信チャンネルの受信信号と前記複数からなる正常振動素子の各々に対応した正常受信チャンネルの受信信号を整相加算する受信手段と、整相加算された前記受信信号に基づいて画像データを生成する画像データ生成手段とを備える。【選択図】 図2
