The department's Patent and Trademark Office awarded Patent No . 6, 009, 555, the first one of the year 2000, to Leonard Siprut of San Diego, Calif ., for a combination sun visor-eye shield designed for use by ocean surfers, kayakers, bikers and athletes in other active sports.
32.
Zeon-derived mobile suits use mono-eye system as the main optical sensor and EF-derived mobile suits use a forehead main camera with the help of two secondary optical sensors ( also known as Gundam Head, where GMs have an eye shield like plate covering the two secondary sensors and a fourth camera in the back of the head ).