Capacitance detection method and capacitance detection apparatus using the same

Disclosed is a capacitance detection apparatus including a panel, having a parasitic capacitor formed therein, and an electrode that forms, in operation of the apparatus a self-capacitor with an object; a compensation capacitor configured to share charges with the parasitic capacitor and the self-ca...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Yoo, Jae Woo, Moon, Se Woong, Woo, Min Suk
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	Disclosed is a capacitance detection apparatus including a panel, having a parasitic capacitor formed therein, and an electrode that forms, in operation of the apparatus a self-capacitor with an object; a compensation capacitor configured to share charges with the parasitic capacitor and the self-capacitor to output a detection signal with compensation for an influence of the parasitic capacitor; a switch unit including a plurality of switches which get turned on or off so that the compensation capacitor compensates for the influence of the parasitic capacitor, and an output voltage adjusting unit connected to the compensation capacitor and configured to adjust an output range of the detection signal output by the compensation capacitor.