Electronic whiteboard system eraser

An eraser for use on an electronic whiteboard with a protrusion area on the erasing surface forming a convex area on the erasing surface for establishing a positive point of contact with the whiteboard; an electronic whiteboard system including such an eraser, a controller for storing data relating...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ATWOOD STEPHEN, GEAGHAN BERNARD
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
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