An apparatus for generating at least one signal based on at least one aspect of at least two received signals is provided. Then, at least one of the crimp indenter and the crimp anvil is moved toward another one thereof along a direction of a longitudinal center axis to crimp the crimp pieces. The difference is in accordance with the logic state read from the 8TMC. The image pickup device is position relative to the fuel cell device and converts an image into an image pickup signal.