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MULTI-FUNCTION ULTRASONIC SENSOR CONTROLLER WITH FINGERPRINT SENSING, HAPTIC FEEDBACK, MOVEMENT RECOGNITION, 3D POSITIONING AND REMOTE POWER TRANSFER CAPABILITIES
MULTI-FUNCTION ULTRASONIC SENSOR CONTROLLER WITH FINGERPRINT SENSING, HAPTIC FEEDBACK, MOVEMENT RECOGNITION, 3D POSITIONING AND REMOTE POWER TRANSFER CAPABILITIES
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机译:具有指纹感应,触觉反馈,运动识别,3D定位和远程功率传输功能的多功能超声波传感器控制器
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摘要
The present invention is a multi-function ultrasonic sensor controller (inc. sensor driver capabilities) capable of authenticating an end-user when placing his/her finger on any area of a device display while further providing haptic feedback, surface roughness and texture rendering, proximity sensing, movement recognition, 3D positioning and remote power transfer for an improved end-user experience. By default, the multi-function ultrasonic sensor controller of the invention is made of a first set of ultrasonic transducers covering the whole screen display area for fingerprint scanning, a second set ultrasonic transducers for haptic feedback, surface and texture roughness rendering, a third set ultrasonic transducers for movement recognition, proximity sensing and 3D localization, and a fourth set of ultrasonic transducers for the reception of remote power transfer through ultrasound waves. The multi-function ultrasonic sensor controller according to the invention is particularly well-suited for smartphones but can also be applied to other application markets and end-user devices having the need to jointly support end-user authentication with flexible finger placement along aforementioned additional functionalities.
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