METHOD AND APPARATUS FOR SENSING TOUCH INPUT

METHOD AND APPARATUS FOR SENSING TOUCH INPUT

PURPOSE: A touch sensitive method and a device thereof are provided to exactly distinguish a multi touch with a single touch if a plurality of contact input is generated adjacently. CONSTITUTION: A contact sensing unit determines a range of sensing channel which obtained a sensing signal of critical...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MOON, SE WOONG, KIM, KI EOP
Format: Patent
Sprache:eng ; kor
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:PURPOSE: A touch sensitive method and a device thereof are provided to exactly distinguish a multi touch with a single touch if a plurality of contact input is generated adjacently. CONSTITUTION: A contact sensing unit determines a range of sensing channel which obtained a sensing signal of critical value abnormality(S30). The contact sensing unit calculates sum of sensing signal strength obtained from the sensing channel in the range(S40). The contact sensing unit calculates rate between the sum of the sending signal strength obtained from a center sensing channel in the range(S60). The contact detector determines contact input by comparing between predetermined reference value and rate(S70~S90).