Active pen, electronic device and data transmission method thereof
An active pen, an electronic device and a data transmission method thereof are provided. The data transmission method between the active pen and the electronic device includes the following steps. Whether the active pen is close to a predetermined area of a display panel of the electronic device is...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | An active pen, an electronic device and a data transmission method thereof are provided. The data transmission method between the active pen and the electronic device includes the following steps. Whether the active pen is close to a predetermined area of a display panel of the electronic device is determined. If the active pen is close to the predetermined area, a light of the display panel is controlled in the predetermined area. The active pen receives light from the predetermined area. The active pen decodes a data signal according to a light intensity of the light. |
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