Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 20, 2011
Patent Application Number
12611602
Date Filed
November 3, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A touch panel 30 of the present invention comprises: a light-emitting sided-optical waveguide 33; a light-receiving sided-optical waveguide 34; and an electromagnetic induction-type digitizer 36. In the touch panel of the present invention, a position coordinate is recognized using an electronic pen by an electromagnetic induction-type digitizer 36 when high resolution is required. A position coordinate is recognized using a finger by the optical waveguides 33 and 34 when high resolution is not required. This makes it possible to materialize the touch panel 30 having a high resolution and a lower power consumption regardless of its narrow frame.
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