NHBoard electromagnetic interactive whiteboard adopts reliable
electromagnetic induction technology as a mainstream one for
interactive whiteboard with the advantages of swift response, high
precision orientation, accurate operation, strong adaptability to
environment and a low-cost maintenance etc.When the special pen
touches to the coil coating, the coil would detect the
electromagnetic waves from the pen. According to the electromotive
force vertically and horizontally, the touch point could be
registered by calculation.
