Inventor
XU CHANGTING
US7 patents
Patents
7 patentsUS10956709B1Mar 23, 2021
Anti-spoofing devices and methods involving acoustic shear waves
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US11182026B2Nov 23, 2021
Temperature and ultrasonic sensor fusion for biometric sensing
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US11062010B2Jul 13, 2021
Liveness sensing and authentication with an ultrasonic sensor system
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US11335114B2May 17, 2022
Ultrasonic protective film detection and ultrasonic sensor calibration
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US11716566B2Aug 1, 2023
Segmented transducers for acoustic applications
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US12450940B1Oct 21, 2025
Image enhancement for fingerprint sensor deployed in a flexible device
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US10831290B2Nov 10, 2020
Stylus-tracking piezoelectric sensor
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