Systems of the camera 31 and the USB host 35 are identical to those of the related art, but {HEAD ~ the interface unit} 33 has {TAIL ~ a system} as follows 
Systems of the camera 31 and the USB host 35 are identical to those of the related art , but { HEAD ~ the interface unit } 33 has { TAIL ~ a system } as follows
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH