Patent ID: 8403816
Filing Date: 2013-03-26
Classification: A63B,H02P

Abstract:
1. A treadmill, comprising: a body having a belt for supporting an exerciser; an exerciser detecting portion installed in a predetermined area of the body to detect movement of the exerciser; a driving motor coupled to the body to drive the belt; a control portion for generating a first control signal for adjusting a rotation speed of the driving motor based on a signal received from the exerciser detecting portion; a motor driving portion for adjusting the rotation speed of the driving motor according to the first control signal received from the control portion; and an electrical braking portion for reducing the rotation speed of the driving motor, wherein the electrical braking portion comprises a switching portion which operates when a voltage of regenerative energy flowing into the motor driving portion from the driving motor is equal to or more than a predetermined reference, when the rotation speed of the driving motor is decreased.