Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chien-Kuo Lee0
Date of Patent
August 6, 2019
Patent Application Number
15112500
Date Filed
March 12, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A keyboard device includes a flexible layer, electrical traces on the flexible layer and a lattice substrate to support the flexible layer. The keyboard device further includes a key actuatable to contact the flexible layer and to stretch at least a portion of the flexible layer into an opening in the lattice substrate and a sensor to detect a change of capacitance of the electrical traces in response to actuation of the key by a conductive object.
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