Handwriting input method, device and system and receiver
A handwriting input and receiver technology, applied in the electronic field, can solve problems such as the complex algorithm of luminous electronic pens, unfavorable popularization of electronic whiteboards, and influence on positioning accuracy, etc., and achieve the effects of low power consumption, reduced development difficulty, and low cost
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[0067] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0068] figure 1 It is a schematic diagram of the structure and composition of an electronic whiteboard according to an embodiment of the present invention, such as figure 1 As shown, the plane monitoring area of the electronic whiteboard in the embodiment of the present invention is a whiteboard or blackboard, and the optical positioning sensor A and the optical positioning sensor B are arranged on both sides of the whiteboard or blackboard at a specific ang...
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