Shutter control device, shutter unit, imaging apparatus, shutter control method, and shutter control program

A shutter control method that controls a drive device for a mechanical shutter included in an imaging apparatus, the shutter control method comprising:

• a control step of setting, as a first time, a drive interval of the mechanical shutter at which a temperature of the drive device is made to be saturable at a saturation temperature lower than an allowable upper limit temperature in a case where the mechanical shutter is continuously driven by the drive device, and controlling a drive interval of the mechanical shutter based on a comparison between an elapsed time from a reference timing and a number of times of the mechanical shutter being driven during the elapsed time, the elapsed time being calculated by a unit of the first time.

A non-transitory computer readable medium storing a shutter control program that controls a drive device for a mechanical shutter included in an imaging apparatus, the shutter control program causing a computer to execute:

• a control step of setting, as a first time, a drive interval of the mechanical shutter at which a temperature of the drive device is made to be saturable at a saturation temperature lower than an allowable upper limit temperature in a case where the mechanical shutter is continuously driven by the drive device, and controlling a drive interval of the mechanical shutter based on a comparison between an elapsed time from a reference timing and a number of times of the mechanical shutter being driven during the elapsed time, the elapsed time being calculated by a unit of the first time.