An intra-vehicle communication system includes a surface configured to be mounted to a vehicle interior proximate a first occupant wherein the surface is further configured to display an image of a second occupant of the vehicle. The three-dimensional image display apparatus, which includes an image forming display flat panel and a lens unit that is disposed in front of the image forming display flat panel and converts images projected from the image forming display flat panel into three-dimensional images. In addition, antibodies can be conjugated with nanoparticles and can be used in sample processing. The UB link is constituted by UB link data, and the UB link data including core link data.