Interactive electronic whiteboard can be divided into following categories in accordance with different induction technology: Electromagnetic induction, infrared, pressure-sensitive resistance, ultrasonic, CCD, optical information processing technology and so on. Each technology has different characteristics and advantages and takes up the market.
Electronic whiteboard can be regarded as a projective plane of the desktop computer, computer can be directly controlled on the electronic whiteboard, electromagnetic induction uses electromagnetic pen to touch, so that computer can be directly controlled on the electronic whiteboard. There is no need of mouse control back to the computer. In addition, the electronic whiteboard has supporting softwares which can annotate during teaching. This function is good, it is an alternative to ordinary whiteboard to make dust free teaching come ture.
It can be used on computer and projector and is effectively scratch-proof.
