CONVECS

control systems comprising hydraulic pumps, containers for liquids, hydraulic cylinders, pressure lines, drives, magnetic valves, electric switches, electronic distance measuring devices, pressure sensors, electronic control circuits and storage devices, and mechanical ratchets and actuators, for adjusting the positions of the seat, rearview mirrors and steering wheel of an automobile in response to the use of a key which carries the code of the driver to unlock the door of the automobile