Patent ID: 8991195
Filing Date: 2015-03-31
Classification: H01L

Abstract:
1. A method for testing a Peltier element disposed in an electrical appliance, the method comprising the following steps: providing a Peltier element, said Peltier element comprising a warm side and a cold side, the cold side of which is positioned to come into contact with the skin of a user when the Peltier element is in use; applying a voltage (V) to the Peltier element; switching off the voltage (V) at the end of a defined period of time; measuring the voltage (Vp) at the Peltier element; comparing the measured voltage (Vp) with a reference value (Vr) and an electric shaver generating a control signal that prevents the electrical appliance from being switched on if comparison of the measured voltage (Vp) with the reference value (Vr) reveals that the Peltier element is defective.