Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wee Sin Tan0
Pak Hong Yee0
Peng Yam Ng0
Rani Ramamoorthy Saravanan0
Kuldeep Kumar Saxena0
Date of Patent
March 6, 2012
Patent Application Number
11000109
Date Filed
November 30, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A touch input system includes a light-emitting device, a bent light guide and a light detector. The light-emitting device emits light. The bent light guide receives the light emitted by the light-emitting device and guides the light to travel in a direction across a face of a display screen. The light detector detects the light.
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