Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 23, 2008
Patent Application Number
10935239
Date Filed
September 8, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
Provided are a pointing apparatus and method. The apparatus, which inputs a pointing signal to a portable computer, includes an accelerometer outputting an acceleration signal in response to motion of the finger; and a signal processing unit sensing micro-collisions generated when the finger comes into contact with a predetermined contact surface and a rising signal generated when the finger is detached from the contact surface using the acceleration signal, sensing pointing motion of the finger lasting between the generation of the micro-collisions and the generation of the rising signal, and outputting the pointing signal.
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