USER INPUT DEVICE FOR A COMPUTER SYSTEM

A user input device for an electronic device is disclosed. The user input device provides positional information using a grid of light. The grid of light is produced from a light source and waveguides. The grid o f light is also received and processed using waveguides and a light detector. Optionall...

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Bibliographische Detailangaben
Hauptverfasser:	GRAHAM, DAVID S, FRANCIS, DANIEL A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A user input device for an electronic device is disclosed. The user input device provides positional information using a grid of light. The grid of light is produced from a light source and waveguides. The grid o f light is also received and processed using waveguides and a light detector. Optionally, optics may be used to enhance the operation of the user input device. The user input device is particularly suited for use as a user input device for a computer system or the like.