PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic apparatus capable of simultaneously performing generation operation of an ultrasonic image and charge operation to a battery by using an external power source while suppressing power to be received from an external power source up to maximum allowable power of an AC adapter.SOLUTION: An ultrasonic diagnostic apparatus includes: batteries 11a to 11c an AC adapter 12 converting AC current received from the external power source S an electric path switching circuit 13 supplying output power of the AC adapter 12 for charge power for the batteries 11a to 11c and operation power of the ultrasonic diagnostic apparatus and a charge control part 14 determining a charge mode of the batteries 11a to 11c on the basis of an operation state related to transmission/reception of ultrasound in the ultrasonic diagnostic apparatus so that charge power for the batteries 11a to 11c becomes large within a range not beyond the maximum allowable power of the AC adapter 12 and performs switch control of the electric path switching circuit 13.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2019,JPO&INPIT【課題】外部電源から受電する電力をACアダプターの最大許容電力以下に抑えつつ、外部電源を用いて超音波画像の生成動作とバッテリーへの充電動作を同時に実行可能とする超音波診断装置を提供する。【解決手段】超音波診断装置であって、バッテリー11a~11cと、外部電源Sから受電した交流電力を電力変換するACアダプター12と、ACアダプター12の出力電力をバッテリー11a~11cへの充電電力と超音波診断装置の動作電力とに供給する電路切替回路13と、前記ACアダプター12の最大許容電力を超えない範囲内で前記バッテリー11a~11cへの充電電力が大きくなるように、超音波診断装置における超音波の送受信に係る動作状態に基づいてバッテリー11a~11cの充電モードを決定し、電路切替回路13を切り替え制御する充電制御部14と、を備える。【選択図】図3
