PROBLEM TO BE SOLVED: To reduce circuit scale.SOLUTION: An ultrasonic diagnostic device comprises: transmission means a plurality of vibration elements which transmit ultrasonic waves and receive reflection waves to thereby generate reception signals reception means which receives the reception signals on a reception channel provided for each group consisting of a prescribed number of vibration elements and performs signal processing on the received reception signals, the prescribed number being at least two switching means which is each provided for each of the plurality of vibration elements and can switch the connection destination of each of the plurality of vibration elements to the transmission means or the reception means and control means which controls the switching means so that at least one vibration element is in a state of being connected to the transmission means during transmission of the ultrasonic wave and so that one vibration element per group is in a state of being connected to the reception channel corresponding to each group during reception of the reflection wave.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2016,JPO&INPIT【課題】回路規模を低減する。【解決手段】超音波診断装置は、送信手段と、超音波を送信し、反射波を受信することで受信信号を発生する複数の振動素子と、2以上の所定数の振動素子を単位とするグループ毎に1つ設けられた受信チャンネルで前記受信信号を受信し、受信した前記受信信号に信号処理を施す受信手段と、前記複数の振動素子それぞれ対して1つずつ設けられ、前記複数の振動素子それぞれの接続先を、前記送信手段又は前記受信手段に切り替え可能な切り替え手段と、超音波の送信時に、少なくとも1つの振動素子が前記送信手段に接続された状態となり、反射波の受信時に、前記グループ毎に1つの振動素子が前記グループ毎に対応する前記受信チャンネルに接続された状態となるように前記切り替え手段を制御する制御手段と、を備える。【選択図】 図4
