Patent attributes
An adjustment drive is provided for an adjustable spacing comb for a hair cutting appliance. The adjustment drive includes an actuator, a sensor element and a control unit. The actuator actuates a movable comb portion of the adjustable spacing comb with respect to a blade set of the hair cutting appliance. The sensor element detects multi-faceted user inputs applied to the sensor element by a user and to output a user input signal that is derived from the multi-faceted user inputs. The actuator is operated on the basis of the user input signal. The control unit is coupled to the actuator and to the sensor element, and converts the user input signal into an actuator operating signal. The multi-faceted user inputs include detected user input speed of an input stroke by the user.