PROBLEM TO BE SOLVED: To provide an ultrasonic sensor controller, an electronic apparatus and an ultrasonic sensor control method which can output an ultrasonic wave at a proper frequency and with a proper output value in accordance with a measurement object.SOLUTION: A biological examination apparatus 100 comprises: a sensor part 20 which includes a transmission part 22 having a plurality of ultrasonic transducers 30 with mutually-different origination frequency bands, and a reception part 23 receiving an ultrasonic wave to output a reception signal and a control part 40 which controls driving of the sensor part 20. The control part 40 comprises a drive element switching circuit 41 and measurement portion setting means 492 which change the origination frequency band of the originated ultrasonic wave, an ultrasonic signal origination circuit 44 which outputs a drive signal, a reception measurement part 46 which detects the reception signal from the reception part 23, and voltage change means 496 which changes the drive signal output from the ultrasonic signal origination circuit 44 so that the reception signal acquired by the reception measurement part 46 has a measurable signal value or more.COPYRIGHT: (C)2016,JPO&INPIT【課題】測定対象に応じて、適切な周波数で、かつ適切な出力値の超音波を出力可能な超音波センサー制御装置、電子機器、及び超音波センサー制御方法を提供する。【解決手段】生体検査装置100は、発信周波数帯域が異なる複数の超音波トランスデューサー30を備えた送信部22、及び超音波を受信して受信信号を出力する受信部23を備えたセンサー部20と、センサー部20の駆動を制御する制御部40と、を備え、制御部40は、発信超音波の発信周波数帯域を変更する駆動素子切替回路41及び測定部位設定手段492と、駆動信号を出力する超音波信号発信回路44と、受信部23からの受信信号を検出する受信計測部46と、超音波信号発信回路44から出力される駆動信号を、受信計測部46により取得された受信信号が測定可能信号値以上となるように、変更する電圧変更手段496と、を備える。【選択図】図7
