Electronic chalkboard system, control method thereof, and pointing device

An electronic chalkboard system, a control method thereof, and a pointing device are provided. The electronic chalkboard system includes a plurality of display panels; a pointing device which calculates coordinate information about a touched position based on a reference signal generated on the disp...

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Bibliographische Detailangaben

Hauptverfasser:	Choi, Sang-on, Yoo, Ho-june, Soh, Byung-seok, Choi, Yong-wan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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