Patent ID: 9537441
Date: 2017-01-03
CPC Classifications: B26B,H02K,H02P

Claim:
1. A hair removal device comprising: a linear actuator that includes a fixed element, which includes one of an electromagnet and a permanent magnet, and a movable element, which includes the other of the electromagnet and the permanent magnet; a detection unit that detects at least one of movement, speed, and acceleration of the movable element; and a control unit that compares a detected value of the detection unit with a detected value obtained in the past and changes a control mode of the movable element in accordance with a difference indicating a comparison result, wherein the control unit changes the control mode of the movable element from a normal control to a power-up control that increases the speed of the movable element when determining that the comparison result satisfies a predetermined power-up determination condition.