Detecting light to determine position of object

Details Detecting light to determine position of object Detecting light to determine position of object

2005-02-26

2010-11-23

Abdulselam, Abbas I (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C356S614000

Reexamination Certificate

active

07839384

ABSTRACT:
Infrared light is emitted towards a surface. The infrared light is redirected by an object positioned on the surface. The infrared light as redirected by the objected is detected. A position of the object on the surface is determined based on the infrared light detected.

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