Control method, circuit, and electronic system utilizing the same
First Claim
Patent Images
1. A control method for a touch panel, which comprises a capacitor module coupled to a node, comprising:
- providing a voltage to the node during a first period;
discharging the node during a second period; and
generating an output signal according to the voltage of the node.
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Accused Products
Abstract
A control circuit for a touch panel including a capacitor module coupled to a node. The control circuit includes a power supply, a discharging unit, and a compared unit. The power supply provides a voltage to the node. The discharging unit discharges the node. The compared unit generates an output signal according to the voltage of the node.
22 Citations
20 Claims
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1. A control method for a touch panel, which comprises a capacitor module coupled to a node, comprising:
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providing a voltage to the node during a first period; discharging the node during a second period; and generating an output signal according to the voltage of the node. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A control circuit for a touch panel comprising a capacitor module coupled to a node, comprising:
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a power supply providing a voltage to the node; a discharging unit discharging the node; and a compared unit generating an output signal according to the voltage of the node. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An electronic system, comprising:
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a power converter generating an operation power; and a touch panel receiving the operation power and comprising; a capacitor module coupled to a node; and a control circuit controlling the voltage of the node and comprising; a power supply providing a voltage to the node; a discharging unit discharging the node; and a compared unit generating an output signal according to the voltage of the node. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification