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Interactive mode and working principle of LED floor tile screen 2021-03-31


Interactive mode and working principle of LED floor tile screen


Interactive led floor tile

 

At present, LED screen achieves human-screen interaction, and the interactive function is realized through sensing and capturing technology. There are many kinds of sensing and capturing technologies, and I will talk about several interactive methods commonly used by LEDs: somatosensory interaction, radar interaction, infrared frame interaction, intelligent interaction, etc.

 

Somatosensory interaction

Mainly for human body interaction, it is used when the experiencer cannot touch the LED screen. It is to place a device that can sense the human body at a certain distance from the experiencer. When the experiencer leans into the sensing range of the device, the sensing device activates the sensing function to interact. The working principle is that the sensing device uses an infrared camera to take a picture, calculate and locate the captured image to locate the experiencer's coordinates, and then activate the corresponding interactive scene material to achieve human-computer interaction.

 

Radar interaction

LED screens of large and small areas can be used, mainly for LED screens that sense the same surface. The radar sensing device is installed on the edge of the LED screen. When an object touches the surface of the LED screen, the radar sensing device activates the interactive function. The working principle is to transmit radar waves. The radar waves form a semi-circular shape and stick to the surface of the LED screen and shoot toward the other side of the LED. The sensing area is a semi-circular area with the radius of the radar wave's transmitting distance. When an object blocks the radar electric wave, the radar device activates the interactive device, and the corresponding interactive scene material is activated after the coordinates of the object are located through the coordinates of the electric wave to achieve human-machine interaction.

 

Infrared interaction

Mainly for small-area LED or LCD screens, the infrared frame device is installed on the edge of the LED screen. When an object touches the surface of the LED screen, the infrared frame works to activate the interactive function. The working principle is through infrared light beaming. The infrared device at the transmitting end attaches the infrared light to the surface of the LED screen and shoots the infrared light to the infrared device on the opposite side of the infrared receiving end, and a set is set at a certain distance. When an object blocks the infrared light, the infrared device activates the interactive device to locate the coordinates of the object by blocking the infrared light.

 

Smart interaction

Our intelligent interaction uses the most advanced international micro-sensing technology (optical sensing). Place the miniature sensing device on the module light board of the LED floor tile screen, and start the interactive function when an object touches the surface of the LED floor tile screen. The working principle is that the sensing device emits special light waves from the light board inside the LED floor tile screen module to the surface of the screen. When an object touches the surface of the screen and blocks the light waves emitted by the sensing device, it starts to work. The interactive software passes through the sensing device. Coordinates to locate the object coordinates.



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