Compact cursor pointing device utilizing photodetector array

A compact pointing device generally includes a ball, a light source, and a sensor. The ball includes an outer layer, a reflective inner core and a transparent layer disposed between the outer layer and the inner core. Disposed in the outer layer is a pattern of areas which appear transparent and opa...

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Bibliographische Detailangaben

Hauptverfasser:	BIDIVILLE, MARC A
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
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