Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshikazu Tanaka0
James L. Aroyan0
Joel C. Kent0
Ting Gao0
Daniel H. Scharff0
Date of Patent
August 14, 2012
0Patent Application Number
117897760
Date Filed
April 25, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A touchscreen system comprises a touch area. At least one transmitter is positioned proximate to outer edges of the touch area for transmitting first beams in a first direction. At least one beam splitter is positioned proximate to the outer edges of the touch area for splitting the first beams into at least second and third beams that travel through the touch area in at least second and third directions, respectively. The at least one beam splitter comprises a plurality of deflecting elements. Receivers are positioned proximate to the outer edges of the touch area for receiving the at least second and third beams.
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