The present application provides a webpage login method involving two client devices and a server. In an example embodiment, the user input device is configured to be coupled to the medical equipment and is responsive to an operator input representation of a desired movement of the equipment. The input of a first gain stage is connected to the input port of the limiting amplifier. A thin film is disposed in the molding machine such that at least part of the transfer material layer is located inside the molding cavity. The control circuit has an angular position feedback device for measuring the phase of the stator and the angular position and velocity of the rotor.