a mechanism to monitor and control the operation of a work abiancheria or similar or other appliance which cooktop oven or similar servoassistita with knob

摘要

A device for controlling the operation of a household electrical appliance such as a washing machine, dish-washer, cooking bob, oven or the like comprises an electronic circuit (18) arranged to control the operation of the electrical appliance in accordance with predetermined program steps selected via a selector. This selector is a knob (1) connected to a position sensing element (16) associated with the circuit (18) and arranged to generate an electrical signal (VA) on the basis of the angular position of said knob (1) relative to an initial position or zero point, said electrical signal (VA) being used by the electronic circuit (18) in known manner to execute a predetermined wash program or the like or to control the operation of the electrical appliance, said circuit (18) controlling an actuator (34) for moving the knob, so that the knob is made to move during the execution of the selected operating program and hence display the progress of said program. IMAGE