FLEXIBLE SURFACE SENSING APPARATUS FOR SOFT AND FLEXIBLE SURFACE
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United States of America Patent
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Jul 18, 2017
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Jul 26, 2016
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Abstract
A flexible sensing apparatus for soft and curving objects which can sense vital signals of the specified object and convert reflected signals into electrical signals. The flexible sensing apparatus includes a transmitting layer, a readout layer, and a receiving layer, arranged in that order. The transmitting layer generates ultrasonic waves. The receiving layer receives reflected ultrasonic waves and converts them into localized electric charges. The readout layer converts the localized electric charges into electrical signals to represent detected vital signs. The receiving layer is adjacent to the specified object, and the transmitting layer faces away from the specified object. The readout layer comprises a flexible thin film transistor (TFT) array. The flexible TFT array converts the localized electric charges generated by different positions of the third conductive structure.
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