Nikon has published a patent on the combination of smart phones and cameras. The patent description indicates that mobile phones can obtain the real-time view of the camera through wired and wireless methods, and adjust the parameters. In short, the patent is to turn the mobile phone into a camera display screen and modularize the camera design.
The public patent No. is 2014 146931, which was applied on January 28, 2013. The inventor is Ge Xiyangzhi.
