Input device with a two-part force sensor for actuation inputs and method for the production thereof

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United States of America Patent

PATENT NO 10236881
APP PUB NO 20170353182A1
SERIAL NO

15610635

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Abstract

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An input device includes a first component with an actuating layer and a first electrode arranged adjacent thereto, a second component with a carrier and a second electrode, and a device which electrically contacts the first and second electrodes. The first and second electrodes face each other with an air gap therebetween. The first electrode, under an influence of an actuating force acting on the actuating surface undergoes, upon an actuation, a displacement so as to move the first electrode closer to the second electrode against an elastic restoring force. A detection and evaluation device applies a measuring capacitance to the first and second electrodes and detects a change in the measuring capacitance dependent on the displacement moving the first and second electrodes closer to each other in order to associate the actuation with a switching or controlling function after detecting a predetermined change in the measuring capacitance.

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Patent Owner(s)

  • PREH GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hofmann, Sara Wuelfershausen, DE 2 1
Nauth, Juergen Stangenroth, DE 1 0
Schlereth, Jochen Sondheim, DE 6 13

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