H02N2/142

Drive device and imaging apparatus

A drive device includes a piezoelectric element, a drive shaft that receives vibration of the piezoelectric element and vibrates along an optical axis direction of a first imaging optical system, an engagement member that is frictionally engaged with the drive shaft and is connected to the first imaging optical system, and a lens controller that controls vibration of the piezoelectric element, in which the first imaging optical system is provided to be movable in a range including at least a first position and a second position, and the lens controller performs control of moving the first imaging optical system from the first position to the second position in a case in which a signal for instructing a power of the drive device to be turned off is received.

Vibration-type drive apparatus, and drive method for vibration-type drive apparatus
12556112 · 2026-02-17 · ·

A vibration-type drive apparatus provided to solve the task includes a control unit that outputs a command signal, a drive unit that outputs a drive signal in accordance with the command signal, a vibrator unit in which two or more vibrators that vibrate in accordance with the drive signal are connected, a drive signal analyzing unit that analyzes the drive signal and outputs an analysis result, and a determining unit that determines whether there is a break in wiring lines respectively coupled to the vibrators in accordance with the analysis result.