Speed Racer had a flying drone in his racing car but having one in your phone is a true step level increase. Vivo’s new patent is for a smart phone that houses a quadcopter drone equipped with a digital camera to take and feed audio and video remotely.
According to the patent reported by LetsGoDigital, the hidden camera system includes four propellers, three infrared sensors, two cameras and a battery. One of the cameras faces forward while the other faces upward. The infrared sensors face the remaining three cardinal directions and are used for navigation and other data collection.
Some great and not so great applications read more here.