Method and apparatus for automotive variable impedance touch sensor array

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United States of America Patent

PATENT NO 11740722
APP PUB NO 20220283663A1
SERIAL NO

17750971

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Abstract

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The present invention relates to automotive interface systems and methods. In one embodiment, an automotive interface system includes a steering wheel and an integrated interpolated variable impedance array that comprises a grid of sensing elements. The sensing elements are configured to power on simultaneously and to simultaneously generate multiple currents along multiple current paths in response to sensing a touch wherein the amount of current generated by a sensing element of the grid is directly proportional to the force applied by the touch. The automotive interface system also includes an analog-to-digital converter (ADC) and a processor communicatively coupled to the interpolated variable impedance array that are configured to receive the multiple currents along multiple current paths and determine a location, a duration, an area, and a force of the touch from the multiple currents along multiple current paths.

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Patent Owner(s)

Patent OwnerAddress
SENSEL INC201 SAN ANTONIO CIRCLE #280 MOUNTAIN VIEW CA 94040

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grau, Alexander Meagher Durham, US 21 171
Haniger, Bethany Noel Los Gatos, US 13 26
Isaacson, Scott Gregory Mountain View, US 15 26
Martinez, Reuben Eric Gilroy, US 20 69
Miller, Timothy James Half Moon Bay, US 14 52
Moscovich, Tomer San Francisco, US 76 1529
Oberg, Stephanie Jeanne Sunnyvale, US 15 26
Rosenberg, Mark Joshua Sunnyvale, US 13 26

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