Patent ID: 6593766
Filing Date: 2003-07-15
Classification: F25D,G01K,H05B

Abstract:
An electric appliance, in particular a household appliance, including:A. an electronic control system; B. a sensor for measuring a quantity characteristic of the operating status of the appliance; C. a readable and writable memory accessible by the electronic control system; D. a detector for detecting an incipient interruption of the supply voltage of the appliance; E. supply means for providing a transitory supply of a voltage to the electronic control system and the memory after the detection of an interruption of the supply voltage, F. a control program for controlling i. storage within the memory of the value of the characteristic quantity measured following the detection of said incipient interruption of the supply voltage, ii. a comparison between a current value of the characteristic quantity, measured following the restoration of the supply voltage, and the value of the quantity stored in the memory, and iii. an estimation, on the basis of the comparison between the current value and the stored value, of the duration of the interruption of the supply voltage.