Device and method for producing active haptic feedback

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United States of America Patent

PATENT NO 11850630
APP PUB NO 20210031235A1
SERIAL NO

16967068

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device and a method for producing haptic feedback are disclosed. In an embodiment a device includes at least one piezoelectric actuator having a plurality of piezoelectric layers and internal electrodes arranged therebetween, a first amplification element and a second amplification element, wherein the piezoelectric actuator is arranged between the amplification elements, wherein the piezoelectric actuator is configured to change its extension in a first direction upon application of an electrical voltage, and wherein the amplification elements are configured to deform as a result of the change in the extension of the piezoelectric actuator such that a subregion of a respective amplification element is moved relative to the piezoelectric actuator in a second direction, which is perpendicular to the first direction and a driver circuit configured to apply the electrical voltage to the piezoelectric actuator such that the amplification elements are deformed thereby producing the haptic feedback against an object pressing on the device, the haptic feedback imitating a jump in force.

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Patent Owner(s)

Patent OwnerAddress
TDK ELECTRONICS AGROSENHEIMER STR 141E MUENCHEN 81671

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Neuwirth, Daniel Vilshofen, DE 13 360
Pentscher-Stani, Andreas Leibnitz, AT 5 2
Puchleitner, Roman St. Stefan, AT 6 40
Rajapurkar, Aditya Graz, AT 5 37

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