Electrostatic capacitance type transducer and drive method therefor

An electrostatic capacitance type transducer including a plurality of elements, the element including one or more cells, the cell having a first electrode and a second electrode separated from a first electrode by a gap, the plurality of elements including a first element and a second element, the electrostatic capacitance type transducer comprising a waveform generation device configured to apply an alternating current voltage to the first electrode or the second electrode in the first and second elements,

• wherein the waveform generation device is configured to set a waveform of an alternating current voltage applied to the first element to be similar as a waveform of an alternating current voltage applied to the second element, and set a phase difference between the alternating current voltage applied to the first element and the alternating current voltage applied to the second element to be equal to approximately 90 degrees.