Portable electronic device including touch-sensitive input...

Details Portable electronic device including touch-sensitive input... Portable electronic device including touch-sensitive input...

G - Physics

06

F

G06F 3/041 (2006.01)

Patent

CA 2681098

A touch-sensitive input unit includes a base, a touch-sensitive input surface for detecting a touch event thereon, the touch-sensitive input surface connected to and moveable relative to the base, and an actuating arrangement including an elastically deformable substrate between the touch-sensitive input surface and the base, and a piezoelectric patch transducer fixed to the substrate for controlling a bending force on the substrate to control a force on the touch-sensitive input surface by modulating a charge at the patch transducer.

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