Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 3, 2019
Patent Application Number
15955446
Date Filed
April 17, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
A haptic device can be realized with a single acoustic actuator controlling multiple unit cells by having the unit cells be composed of cantilever arms with different resonant frequencies. The unit cells can be further improved by having the cantilever arms be in a spiral shape, and more specifically an Archimedes spiral shape.
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