Method and device for controlling threshold voltage

The threshold voltage control method, and a threshold voltage control apparatus is disclosed. A threshold voltage control method including the noise event signals to receive and noise event signals from the sensing core for generating at least one event signal by detecting at least a portion of the motion-generating object, and determines the type of the noise event signals and, considering the type and counting the number of, if the number of the noise event signals does not satisfy the predetermined condition, it is possible to control the threshold voltage value corresponding to the noise event signal.