| 摘要 |
One embodiment of the present invention relates to an electronic touch pen for a touch sensor of an interactive whiteboard, capable of performing wired/wireless communication, preventing cursive writing, precisely spacing words, and controlling the shading of a picture and a font-weight displayed on a screen according to the retraction of a pen tip. [Reference numerals] (220) Touch sensor; (230) Hole sensor; (241) RF module; (250) Battery |
