Computer graphics processing and selective visual display system – Display peripheral interface input device
Reexamination Certificate
2006-01-26
2010-10-12
Mengistu, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
C345S157000
Reexamination Certificate
active
07812816
ABSTRACT:
A reflector and a powerless signal generator mechanism are incorporated into a single powerless pointing device. A light source generates a light signal, and the reflector incorporated within the powerless pointing device reflects the light signal back to a image collection system of a computer. Image data is generated, and is used to generate position data relating to the position of the reflector. The position is correlated to a position on a graphical user interface. A user action activates the powerless signal generator mechanism, generating a signal. The signal can be, for example, in the form of a sound pulse having one or more predetermined frequencies or an RF signal generated by a piezo-electric transducer.
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Avago Technologies ECBU (IP) Singapore Pte. Ltd.
Mengistu Amare
Patel Premal
LandOfFree
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