Patent ID: 9544634
Date: 2017-01-10
CPC Classifications: G06F,G08C,H04M,H04N

Claim:
1. A method for operating a display device, comprising: configuring a table of various data of intensity of reflected light on a light tracking system when a control device is at various different distances from the display device, wherein said data of intensity of reflected light in said table correspond to coordinate positions on the display device, and said reflected light corresponds to a directional light that is sent from the control device to a control area on the display device and reflected from the display device; the control device emitting the directional light to the display device when detecting a key thereof is pressed and the directional light being reflected from the display device and forming a first reflected light; the control device receiving said first reflected light and collecting data of intensity of said first reflected light and transmitting the data of intensity of the first reflected light and information of the pressed key to the light tracking system; the light tracking system matching a corresponding coordinate position on the display device from said table of various data of intensity of reflected light according to the data of intensity of said first reflected light and a current distance between the control device and the display device, executing a corresponding operation in an area corresponding to the coordinate position of the display device in conjunction with the information of the pressed key, and reflecting an operation result on the display device.