Apparatus for Distinguishing Touch Material

Disclosed is a touch material distinction device. The present embodiment provides the touch material distinction device, wherein the present embodiment divides a time using one physical capacitive touch sensor and applies a sensing waveform of two or more different frequencies or different frequency...

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Bibliographische Detailangaben
Hauptverfasser: KIM HYO DAE, NOH SUNG HUN
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:Disclosed is a touch material distinction device. The present embodiment provides the touch material distinction device, wherein the present embodiment divides a time using one physical capacitive touch sensor and applies a sensing waveform of two or more different frequencies or different frequency ranges, and enables differences of contacted materials to be distinguished using a difference of sensing values after detecting the sensing value per each frequency. The touch material distinction device comprises: a touch pad; and a touch integrated circuit. 터치 물질 구별 장치를 개시한다. 본 실시예는 본 실시예는 물리적인 하나의 정전용량 터치센서(Capacitive Touch Sensor)를 이용하며, 시간을 분할하여 두 개 이상의 다른 주파수 또는 다른 주파수 범위의 센싱 파형을 인가하고 각 주파수 별로 센싱값을 검출한 후 센싱값의 차이를 이용하여 접촉한 물질의 차이를 구별하도록 하는 터치 물질 구별 장치를 제공한다.