An automatic tool changing assembly for a machine tool has a bottom frame, a base, a cylinder block, an air motor and an air transporting device. receiver converting the current signal into a voltage signal; and a wiring layer including a wiring pattern installed therein and allowing the photodetection sections to be mounted thereon for respective pixels by the solder bumps, the wiring pattern being connected to the photodetection sections. The invention further relates to processes for preparing such novel compounds, pharmaceutical compositions comprising said compounds as an active ingredient as well as the use of said compounds as a medicament. Due to the polarization direction of light could be changed by the liquid crystal panel, and makes the light for the left-eye image and the right-eye image are mutual perpendicular. The authentication response includes bits that the challenging party cannot predict in advance to prevent fraudulent use of the authentication response by the challenging party or some other third party.