INDICATORS ON YEALINK MEETING BOARD 86 YOU SHOULD KNOW

Digicam Pen and Dot Pattern – These interactive whiteboards Use a microscopic dot pattern embedded in the composing surface area. A wireless electronic pen has an infrared camera that reads the dot pattern to determine the exact place around the board.A Wii-centered IR process was invented by Johnny Chung Lee, PhD. in 2007. Lee claimed which the