Sensing method for a capacitive touch system

Sensing method for a capacitive touch system

A capacitive touch system uses at least two touch integrated circuits to simultaneously scan a touch panel, each of the touch integrated circuits only for scanning a portion of the traces of the touch panel. Therefore, the capacitive touch system can maintain a good frame rate, even the touch panel...

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Hauptverfasser: Hung, Tse-Lun, Huang, Jung-Shou, Tsai, Hsin-Shieh
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Sprache:eng
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creator Hung, Tse-Lun
Huang, Jung-Shou
Tsai, Hsin-Shieh
description A capacitive touch system uses at least two touch integrated circuits to simultaneously scan a touch panel, each of the touch integrated circuits only for scanning a portion of the traces of the touch panel. Therefore, the capacitive touch system can maintain a good frame rate, even the touch panel is a large scale touch panel. Sensing methods are provided to determine a sensed value for a boundary trace which is the last one of the traces connected to a first touch integrated circuit and prior to the first one of the traces connected to a second touch integrated circuit.
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title Sensing method for a capacitive touch system
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