Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 20, 2008
Patent Application Number
11614328
Date Filed
December 21, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A contact sensitive device includes a member capable of supporting bending waves and a plurality of sensors mounted on the member for measuring bending wave vibration in the member. The sensors measure the bending wave signals and by calculating a phase angle for each measured bending wave signal and a phase difference between the phase angles of at least two pairs of sensors so that at least two phase differences are calculated, the location of the contact can be determined.
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