DETECTION METHOD AND DETECTION DEVICE FOR DETECTING MULTIPLE CONTACTS ON TOUCH PANEL ACCORDING PRELIMINARY SENSING DATA
First Claim
1. A detection method for detecting a plurality of contacts on a touch panel, the touch panel comprising a plurality of first sensing axes on a first dimension and a plurality of second sensing axes on a second dimension, the detection method comprising:
- generating a preliminary sensing data according to the contacts on the touch panel;
determining at least one specific sensing axis included in the plurality of first sensing axes according to the preliminary sensing data;
utilizing a configuration circuit to configure a driving and receiving sequence of the plurality of first sensing axes and the plurality of second sensing axes for obtaining a sensing output, comprising;
utilizing a driving circuit to drive the at least one specific sensing axis one-by-one;
respectively receive a sensing data corresponding to the at least one specific sensing axis from the plurality of second sensing axes of the touch panel through a multiplexer, and accordingly obtaining a sensing output; and
storing the sensing output in a storage element; and
utilizing a determining circuit to receive a completion instruction, wherein when the determining circuit receives the completion instruction, the determining circuit determines a touch detection result according to the sensing output.
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Abstract
A detection method for detecting a plurality of contacts on a touch panel which includes a plurality of first sensing axes on a first dimension and a plurality of second sensing axes on a second dimension includes: generating a preliminary sensing data according to the contacts on the touch panel; determining at least one specific sensing axis included in the plurality of first sensing axes according to the preliminary sensing data; utilizing a configuration circuit to configure a driving and receiving sequence of the plurality of first sensing axes and the plurality of second sensing axes for obtaining a sensing output; and utilizing a determining circuit to receive a completion instruction.
6 Citations
10 Claims
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1. A detection method for detecting a plurality of contacts on a touch panel, the touch panel comprising a plurality of first sensing axes on a first dimension and a plurality of second sensing axes on a second dimension, the detection method comprising:
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generating a preliminary sensing data according to the contacts on the touch panel; determining at least one specific sensing axis included in the plurality of first sensing axes according to the preliminary sensing data; utilizing a configuration circuit to configure a driving and receiving sequence of the plurality of first sensing axes and the plurality of second sensing axes for obtaining a sensing output, comprising; utilizing a driving circuit to drive the at least one specific sensing axis one-by-one; respectively receive a sensing data corresponding to the at least one specific sensing axis from the plurality of second sensing axes of the touch panel through a multiplexer, and accordingly obtaining a sensing output; and storing the sensing output in a storage element; and utilizing a determining circuit to receive a completion instruction, wherein when the determining circuit receives the completion instruction, the determining circuit determines a touch detection result according to the sensing output. - View Dependent Claims (2, 3, 4, 5)
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6. A detection device for detecting a plurality of contacts on a touch panel, the touch panel comprising a plurality of first sensing axes on a first dimension and a plurality of second sensing axes on a second dimension, the detection device comprising:
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a driving circuit, for driving the plurality of first sensing axes and the plurality of second sensing axes; a multiplexer, for receiving at least a sensing data corresponding to the plurality of first sensing axes and the plurality of second sensing axes; a preliminary detection circuit, coupled to the driving circuit and the multiplexer, for utilizing the driving circuit and the multiplexer to generate a preliminary sensing data according to the contacts on the touch panel; a sensing axis selection circuit, coupled to preliminary detection circuit, for determining at least one specific sensing axis in the plurality of first sensing axes according to the preliminary sensing data; a storage element; a configuration circuit, coupled to the driving circuit, the multiplexer, the sensing axis selection circuit and the storage element, for configuring a driving and receiving sequence of the plurality of first sensing axes and the plurality of second sensing axes for obtaining a sensing output, obtaining a sensing output by respectively receiving a sensing data corresponding to the at least one specific sensing axis from the plurality of second specific sensing axes of the touch panel through the multiplexer after controlling the driving circuit to drive the at least one specific sensing axis one-by-one, and storing the sensing output in the storage element; and a determining circuit, coupled to the storage element, for receiving a completion instruction, wherein when the determining circuit receives the completion instruction, the determining circuit determines a touch detection result according to the sensing output in the storage element. - View Dependent Claims (7, 8, 9, 10)
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Specification